@import url("../fonts/montserrat/Montserrat.css");
@import url("../fonts/gentiumplus/gentiumplus.css");
@import url("../fonts/kosugi/Kosugi.css");

/* 로컬 CJK 웹폰트 */
@font-face {
    font-family: "본고딕";
    src: url("/assets/fonts/sourcehansans/SourceHanSansKR.woff2") format("woff2");
    font-style: normal;
    font-weight: 100 900;
    font-display: swap;
}

@font-face {
    font-family: "Source Han Sans";
    src: url("/assets/fonts/sourcehansans/SourceHanSans.woff2") format("woff2");
    font-style: normal;
    font-weight: 100 900;
    font-display: swap;
}

@font-face {
    font-family: "Source Han Sans TC";
    src: url("/assets/fonts/sourcehansans/SourceHanSansTC.woff2") format("woff2");
    font-style: normal;
    font-weight: 100 900;
    font-display: swap;
}

@font-face {
    font-family: "Source Han Sans SC";
    src: url("/assets/fonts/sourcehansans/SourceHanSansSC.woff2") format("woff2");
    font-style: normal;
    font-weight: 100 900;
    font-display: swap;
}

@font-face {
    font-family: "Source Han Sans HK";
    src: url("/assets/fonts/sourcehansans/SourceHanSansHC.woff2") format("woff2");
    font-style: normal;
    font-weight: 100 900;
    font-display: swap;
}

/* 0. 공통 토큰 */
:root {
    --ui-bg: #111111;
    --ui-text: #e5e5e5;
    --ui-scroll-track: #1a1a1a;
    --ui-scroll-thumb: #444444;
    --ui-scroll-thumb-hover: #555555;
    --ui-nav-active-bg: #333333;
    --ui-accent: #ff4040;
    --ui-focus-ring: #b1455d;
    --ui-focus-ring-shadow: rgba(255, 64, 64, 0.35);
    --ui-mono-font: "D2Coding", Consolas, "Courier New", monospace;
    --app-mobile-floating-ui-clearance: 14.25rem;

    --tw-white: #ffffff;
    --tw-gray-200: #e5e7eb;
    --tw-gray-300: #d1d5db;
    --tw-gray-400: #9ca3af;
    --tw-gray-500: #6b7280;
    --tw-gray-600: #4b5563;
    --tw-gray-700: #374151;
    --tw-gray-800: #1f2937;
    --tw-red-400: #f87171;
    --tw-red-500: #ef4444;
}

/* 1. Tailwind Preflight 대체 */
*,
*::before,
*::after {
    box-sizing: border-box;
    border: 0 solid #e5e7eb;
}

html {
    line-height: 1.5;
    -webkit-text-size-adjust: 100%;
    tab-size: 4;
    font-family: "Montserrat", "본고딕", "Jigmo3", "Jigmo2", "Jigmo", sans-serif;
    font-feature-settings: normal;
    font-variation-settings: normal;
}

body {
    margin: 0;
    line-height: inherit;
    font-family: "Montserrat", "본고딕", "Jigmo3", "Jigmo2", "Jigmo", sans-serif;
    background-color: var(--ui-bg);
    color: var(--ui-text);
    overflow: hidden;
    scrollbar-color: var(--ui-scroll-thumb) var(--ui-scroll-track);
}

:lang(ja) {
    font-family: "Montserrat", "Source Han Sans", "Jigmo3", "Jigmo2", "Jigmo", sans-serif;
}

:lang(zh-CN),
:lang(zh-SG),
:lang(zh-Hans),
:lang(zh-Hans-CN),
:lang(zh-Hans-SG) {
    font-family: "Montserrat", "Source Han Sans SC", "Jigmo3", "Jigmo2", "Jigmo", sans-serif;
}

:lang(zh-TW),
:lang(zh-Hant),
:lang(zh-Hant-TW) {
    font-family: "Montserrat", "Source Han Sans TC", "Jigmo3", "Jigmo2", "Jigmo", sans-serif;
}

:lang(zh-HK),
:lang(zh-MO),
:lang(zh-Hant-HK),
:lang(zh-Hant-MO) {
    font-family: "Montserrat", "Source Han Sans HK", "Jigmo3", "Jigmo2", "Jigmo", sans-serif;
}

h1,
h2,
h3,
p {
    margin: 0;
}

button,
input,
textarea,
select {
    margin: 0;
    padding: 0;
    font: inherit;
    color: inherit;
    letter-spacing: inherit;
    background-color: transparent;
}

button,
[type="button"],
[type="reset"],
[type="submit"] {
    -webkit-appearance: button;
    appearance: button;
    background-image: none;
}

button,
[role="button"] {
    cursor: pointer;
}

button:disabled,
input:disabled {
    cursor: default;
}

input::placeholder,
textarea::placeholder {
    opacity: 1;
    color: var(--tw-gray-400);
}

a {
    color: inherit;
    text-decoration: inherit;
}

[hidden] {
    display: none !important;
}

:where(button,
    a,
    input:not([type="hidden"]),
    textarea,
    select,
    [tabindex]:not([tabindex="-1"])):focus-visible {
    outline: 2px solid var(--ui-focus-ring);
    outline-offset: 2px;
    box-shadow: 0 0 0 2px var(--ui-focus-ring-shadow);
}

/* 2. 커스텀 스크롤바 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--ui-scroll-track);
}

::-webkit-scrollbar-thumb {
    background: var(--ui-scroll-thumb);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--ui-scroll-thumb-hover);
}

/* 3. 앱 상태 클래스 */
.hide {
    display: none !important;
}

.active-nav {
    background-color: var(--ui-nav-active-bg);
    color: #ffffff;
    border-left: 3px solid var(--ui-accent);
}

@media (max-width: 767.98px) {
    .active-nav {
        border-left: none;
        border-top: 3px solid var(--ui-accent);
    }

    [class~="fixed"][class~="bottom-0"][class~="h-16"] {
        height: calc(4rem + env(safe-area-inset-bottom, 0px));
        padding-bottom: env(safe-area-inset-bottom, 0px);
    }

}

/* 3-1. 앱 설정 패널/런처 */
.app-settings {
    position: fixed;
    top: calc(0.85rem + env(safe-area-inset-top, 0px));
    right: 1rem;
    z-index: 45;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.5rem;
    pointer-events: none;
}

.app-settings-floating-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    pointer-events: none;
}

.app-presence-anchor {
    position: relative;
    flex: 0 1 auto;
    pointer-events: none;
}

.app-presence-anchor > * {
    pointer-events: auto;
}

.app-session-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    min-width: 0;
    min-height: 2.35rem;
    max-width: min(16rem, calc(100vw - 7rem));
    border: 1px solid #3e3e3e;
    border-radius: 999px;
    background-color: rgba(22, 22, 22, 0.94);
    color: #f3f4f6;
    box-shadow: 0 8px 18px rgba(0, 0, 0, 0.35);
    padding: 0.22rem 0.55rem 0.22rem 0.28rem;
    pointer-events: auto;
    text-align: left;
    transition: background-color 140ms ease, border-color 140ms ease, transform 140ms ease;
}

.app-session-chip:hover {
    border-color: #585858;
    background-color: #202020;
    transform: translateY(-1px);
}

.app-session-chip.is-open {
    border-color: #606060;
    background-color: #262626;
}

.app-presence-panel {
    position: absolute;
    top: calc(100% + 0.55rem);
    right: 0;
    z-index: 1;
    width: min(17rem, calc(100vw - 1.5rem));
    border: 1px solid #3b3b3b;
    border-radius: 0.75rem;
    background-color: rgba(18, 18, 18, 0.98);
    box-shadow: 0 14px 28px rgba(0, 0, 0, 0.42);
    padding: 0.75rem;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(-0.25rem) scale(0.98);
    transform-origin: top right;
    transition: opacity 150ms ease, transform 150ms ease, visibility 150ms ease;
}

.app-presence-anchor.is-open .app-presence-panel {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0) scale(1);
}

.app-presence-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    margin-bottom: 0.6rem;
}

.app-presence-panel-title {
    color: #d1d5db;
    font-size: 0.76rem;
    line-height: 1.2;
    font-weight: 600;
}

.app-session-chip-avatar {
    width: 1.75rem;
    height: 1.75rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
    border-radius: 999px;
    background-color: #ff4040;
    color: #ffffff;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    overflow: hidden;
}

.app-session-chip-avatar-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.app-session-chip-status-dot {
    width: 0.38rem;
    height: 0.38rem;
    flex: 0 0 auto;
    border-radius: 999px;
    background-color: #38d66b;
    box-shadow: 0 0 0 2px rgba(56, 214, 107, 0.15);
}

.app-session-chip-status-dot.is-connecting {
    background-color: #f4c542;
    box-shadow: 0 0 0 2px rgba(244, 197, 66, 0.18);
}

.app-session-chip-status-dot.is-offline {
    background-color: #6b7280;
    box-shadow: 0 0 0 2px rgba(107, 114, 128, 0.18);
}

.app-session-chip-label {
    color: #9ca3af;
    font-size: 0.72rem;
    line-height: 1;
    flex: 0 0 auto;
}

.app-session-chip-name {
    min-width: 0;
    max-width: 8.75rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: #f3f4f6;
    font-size: 0.78rem;
    line-height: 1;
    font-weight: 700;
}

.app-settings-launcher {
    width: 2.35rem;
    height: 2.35rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid #3e3e3e;
    border-radius: 999px;
    background-color: rgba(22, 22, 22, 0.94);
    color: #f3f4f6;
    box-shadow: 0 8px 18px rgba(0, 0, 0, 0.35);
    transition: background-color 140ms ease, border-color 140ms ease, transform 140ms ease;
    pointer-events: auto;
}

.app-settings-launcher:hover {
    border-color: #585858;
    background-color: #2a2a2a;
    transform: translateY(-1px);
}

.app-settings-panel {
    width: min(17rem, calc(100vw - 1.5rem));
    border: 1px solid #3b3b3b;
    border-radius: 0.75rem;
    background-color: rgba(18, 18, 18, 0.98);
    box-shadow: 0 14px 28px rgba(0, 0, 0, 0.42);
    padding: 0.75rem;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(-0.25rem) scale(0.98);
    transform-origin: top right;
    transition: opacity 150ms ease, transform 150ms ease, visibility 150ms ease;
}

.app-settings.is-open .app-settings-panel {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0) scale(1);
}

.app-settings-title {
    margin: 0;
    font-size: 0.84rem;
    line-height: 1.15;
    color: #f3f4f6;
    font-weight: 700;
}

.app-settings-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.6rem;
    gap: 0.5rem;
}

.app-presence-section {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.app-presence-count {
    color: #f3f4f6;
    font-size: 0.8rem;
    font-weight: 700;
}

.app-presence-list {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
    max-height: 11rem;
    overflow-y: auto;
    padding-right: 0.1rem;
}

.app-presence-empty {
    margin: 0;
    color: #9ca3af;
    font-size: 0.76rem;
    line-height: 1.45;
}

.app-presence-user {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    min-width: 0;
    padding: 0.4rem 0.45rem;
    border: 1px solid #2f2f2f;
    border-radius: 0.6rem;
    background-color: rgba(28, 28, 28, 0.9);
}

.app-presence-user-avatar {
    width: 1.75rem;
    height: 1.75rem;
    flex: 0 0 auto;
}

.app-presence-user-body {
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 0.08rem;
}

.app-presence-user-name {
    color: #f3f4f6;
    font-size: 0.78rem;
    font-weight: 700;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.app-presence-user-meta {
    color: #9ca3af;
    font-size: 0.7rem;
    line-height: 1.2;
}

.app-settings-close {
    width: 1.7rem;
    height: 1.7rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid #404040;
    border-radius: 0.45rem;
    background-color: #232323;
    color: #d1d5db;
    transition: background-color 140ms ease, border-color 140ms ease, color 140ms ease;
}

.app-settings-close:hover {
    border-color: #5a5a5a;
    background-color: #2d2d2d;
    color: #ffffff;
}

.app-settings-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    padding: 0.15rem 0;
}

.app-settings-item-head {
    position: relative;
    flex: 1 1 auto;
    min-width: 0;
}

.app-settings-item-label {
    color: #d1d5db;
    font-size: 0.75rem;
    line-height: 1.2;
}

.app-settings-select {
    min-width: 8rem;
    max-width: 9.5rem;
    border: 1px solid #3f3f3f;
    border-radius: 0.45rem;
    background-color: #202020;
    color: #f3f4f6;
    font-size: 0.72rem;
    line-height: 1.2;
    padding: 0.33rem 0.5rem;
}

.app-settings-select:hover {
    border-color: #555555;
    background-color: #2a2a2a;
}

.app-settings-select option {
    color: #f3f4f6;
    background-color: #1f1f1f;
}

.app-settings-toggle {
    display: inline-flex;
    align-items: center;
    border: 1px solid #3f3f3f;
    border-radius: 999px;
    background-color: #202020;
    padding: 0.2rem;
    transition: border-color 150ms ease, background-color 150ms ease;
}

.app-settings-toggle:hover {
    border-color: #555555;
    background-color: #2a2a2a;
}

.app-settings-toggle-track {
    position: relative;
    width: 1.95rem;
    height: 1.1rem;
    border-radius: 999px;
    background-color: #3b3b3b;
    transition: background-color 150ms ease;
}

.app-settings-toggle-thumb {
    position: absolute;
    left: 0.12rem;
    top: 0.12rem;
    width: 0.86rem;
    height: 0.86rem;
    border-radius: 999px;
    background-color: #ffffff;
    transition: transform 150ms ease;
}

.app-settings-toggle.is-on .app-settings-toggle-track {
    background-color: #ff4040;
}

.app-settings-toggle.is-on .app-settings-toggle-thumb {
    transform: translateX(0.85rem);
}

.app-settings-footer {
    display: flex;
    justify-content: center;
    margin-top: 0.65rem;
    padding-top: 0.65rem;
    border-top: 1px solid #2d2d2d;
}

.app-settings-logout-btn {
    min-width: 8.5rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    border: 1px solid #5a2533;
    border-radius: 0.5rem;
    background-color: #3a1d24;
    color: #f3f4f6;
    font-size: 0.78rem;
    font-weight: 700;
    line-height: 1;
    padding: 0.55rem 0.85rem;
    transition: background-color 140ms ease, border-color 140ms ease, transform 140ms ease;
}

.app-settings-logout-btn:hover {
    border-color: #742039;
    background-color: #4a1f2c;
    transform: translateY(-1px);
}

@media (max-width: 767.98px) {
    .chat-mobile-header[class~="px-4"] {
        /* 플로팅 접속자 칩 + 설정 버튼 영역 확보 */
        padding-right: var(--app-mobile-floating-ui-clearance);
    }

    .app-session-chip {
        min-height: 2rem;
        max-width: min(10.75rem, calc(100vw - 1.2rem));
        gap: 0.33rem;
        padding: 0.2rem 0.5rem 0.2rem 0.24rem;
    }

    .app-session-chip-avatar {
        width: 1.5rem;
        height: 1.5rem;
        font-size: 0.64rem;
    }

    .app-session-chip-status-dot {
        width: 0.34rem;
        height: 0.34rem;
    }

    .app-session-chip-label {
        display: none;
    }

    .app-session-chip-name {
        max-width: 7.25rem;
        font-size: 0.74rem;
    }

    .app-settings {
        top: calc(0.55rem + env(safe-area-inset-top, 0px));
        right: 0.6rem;
    }

    .app-settings-panel {
        width: min(15.75rem, calc(100vw - 1.2rem));
    }

    .app-presence-panel {
        width: min(15.75rem, calc(100vw - 1.2rem));
    }
}

/* 4. Tailwind 유틸리티 호환 레이어 */
[class~="absolute"] {
    position: absolute;
}

[class~="fixed"] {
    position: fixed;
}

[class~="relative"] {
    position: relative;
}

[class~="bottom-0"] {
    bottom: 0;
}

[class~="bottom-10"] {
    bottom: 2.5rem;
}

[class~="left-0"] {
    left: 0;
}

[class~="z-10"] {
    z-index: 10;
}

[class~="z-40"] {
    z-index: 40;
}

[class~="flex"] {
    display: flex;
}

[class~="hidden"] {
    display: none;
}

[class~="flex-1"] {
    flex: 1 1 0%;
}

[class~="shrink-0"] {
    flex-shrink: 0;
}

[class~="flex-col"] {
    flex-direction: column;
}

[class~="flex-wrap"] {
    flex-wrap: wrap;
}

[class~="items-start"] {
    align-items: flex-start;
}

[class~="items-center"] {
    align-items: center;
}

[class~="items-baseline"] {
    align-items: baseline;
}

[class~="justify-around"] {
    justify-content: space-around;
}

[class~="justify-between"] {
    justify-content: space-between;
}

[class~="justify-center"] {
    justify-content: center;
}

[class~="justify-end"] {
    justify-content: flex-end;
}

[class~="w-6"] {
    width: 1.5rem;
}

[class~="w-8"] {
    width: 2rem;
}

[class~="w-10"] {
    width: 2.5rem;
}

[class~="w-full"] {
    width: 100%;
}

[class~="w-screen"] {
    width: 100vw;
}

[class~="h-6"] {
    height: 1.5rem;
}

[class~="h-8"] {
    height: 2rem;
}

[class~="h-10"] {
    height: 2.5rem;
}

[class~="h-14"] {
    height: 3.5rem;
}

[class~="h-16"] {
    height: 4rem;
}

[class~="h-full"] {
    height: 100%;
}

[class~="min-h-0"] {
    min-height: 0;
}

[class~="min-h-full"] {
    min-height: 100%;
}

[class~="h-screen"] {
    height: 100vh;
    height: 100dvh;
}

[class~="h-[calc(100%-4rem)]"] {
    height: calc(100% - 4rem);
    height: calc(100% - (4rem + env(safe-area-inset-bottom, 0px)));
}

[class~="min-h-[200px]"] {
    min-height: 200px;
}

[class~="max-w-4xl"] {
    max-width: 56rem;
}

[class~="overflow-hidden"] {
    overflow: hidden;
}

[class~="overflow-y-auto"] {
    overflow-y: auto;
}

[class~="cursor-pointer"] {
    cursor: pointer;
}

[class~="rounded"] {
    border-radius: 0.25rem;
}

[class~="rounded-lg"] {
    border-radius: 0.5rem;
}

[class~="rounded-full"] {
    border-radius: 9999px;
}

[class~="border"] {
    border-width: 1px;
}

[class~="border-t"] {
    border-top-width: 1px;
}

[class~="border-b"] {
    border-bottom-width: 1px;
}

[class~="border-none"] {
    border-style: none;
}

[class~="border-transparent"] {
    border-color: transparent;
}

[class~="border-gray-700"] {
    border-color: var(--tw-gray-700);
}

[class~="border-gray-800"] {
    border-color: var(--tw-gray-800);
}

[class~="bg-transparent"] {
    background-color: transparent;
}

[class~="bg-gray-600"] {
    background-color: var(--tw-gray-600);
}

[class~="bg-gray-700"] {
    background-color: var(--tw-gray-700);
}

[class~="bg-[#161616]"] {
    background-color: #161616;
}

[class~="bg-[#1e1e1e]"] {
    background-color: #1e1e1e;
}

[class~="bg-[#242424]"] {
    background-color: #242424;
}

[class~="bg-[#252525]"] {
    background-color: #252525;
}

[class~="bg-[#2b2b2b]"] {
    background-color: #2b2b2b;
}

[class~="bg-[#2d2d2d]"] {
    background-color: #2d2d2d;
}

[class~="bg-[#ff4040]"] {
    background-color: #ff4040;
}

[class~="p-3"] {
    padding: 0.75rem;
}

[class~="p-4"] {
    padding: 1rem;
}

[class~="p-6"] {
    padding: 1.5rem;
}

[class~="px-4"] {
    padding-right: 1rem;
    padding-left: 1rem;
}

[class~="px-6"] {
    padding-right: 1.5rem;
    padding-left: 1.5rem;
}

[class~="px-8"] {
    padding-right: 2rem;
    padding-left: 2rem;
}

[class~="py-2"] {
    padding-top: 0.5rem;
    padding-bottom: 0.5rem;
}

[class~="py-4"] {
    padding-top: 1rem;
    padding-bottom: 1rem;
}

[class~="pt-4"] {
    padding-top: 1rem;
}

[class~="pt-6"] {
    padding-top: 1.5rem;
}

[class~="pb-4"] {
    padding-bottom: 1rem;
}

[class~="pr-4"] {
    padding-right: 1rem;
}

[class~="mx-auto"] {
    margin-right: auto;
    margin-left: auto;
}

[class~="ml-auto"] {
    margin-left: auto;
}

[class~="ml-2"] {
    margin-left: 0.5rem;
}

[class~="ml-14"] {
    margin-left: 3.5rem;
}

[class~="mr-2"] {
    margin-right: 0.5rem;
}

[class~="mt-1"] {
    margin-top: 0.25rem;
}

[class~="mt-2"] {
    margin-top: 0.5rem;
}

[class~="mt-3"] {
    margin-top: 0.75rem;
}

[class~="mt-12"] {
    margin-top: 3rem;
}

[class~="mb-1"] {
    margin-bottom: 0.25rem;
}

[class~="mb-3"] {
    margin-bottom: 0.75rem;
}

[class~="mb-4"] {
    margin-bottom: 1rem;
}

[class~="mb-6"] {
    margin-bottom: 1.5rem;
}

[class~="mb-7"] {
    margin-bottom: 1.75rem;
}

[class~="mb-8"] {
    margin-bottom: 2rem;
}

[class~="gap-1"] {
    gap: 0.25rem;
}

[class~="gap-1.5"] {
    gap: 0.375rem;
}

[class~="gap-2"] {
    gap: 0.5rem;
}

[class~="gap-3"] {
    gap: 0.75rem;
}

[class~="gap-4"] {
    gap: 1rem;
}

[class~="space-y-6"]> :not([hidden])~ :not([hidden]) {
    margin-top: 1.5rem;
}

[class~="space-y-3"]> :not([hidden])~ :not([hidden]) {
    margin-top: 0.75rem;
}

[class~="space-y-12"]> :not([hidden])~ :not([hidden]) {
    margin-top: 3rem;
}

[class~="text-left"] {
    text-align: left;
}

[class~="text-xs"] {
    font-size: 0.75rem;
    line-height: 1rem;
}

[class~="text-sm"] {
    font-size: 0.875rem;
    line-height: 1.25rem;
}

[class~="text-base"] {
    font-size: 1rem;
    line-height: 1.5rem;
}

[class~="text-lg"] {
    font-size: 1.125rem;
    line-height: 1.75rem;
}

[class~="text-xl"] {
    font-size: 1.25rem;
    line-height: 1.75rem;
}

[class~="text-2xl"] {
    font-size: 1.5rem;
    line-height: 2rem;
}

[class~="text-5xl"] {
    font-size: 3rem;
    line-height: 1;
}

[class~="text-white"] {
    color: var(--tw-white);
}

[class~="text-gray-200"] {
    color: var(--tw-gray-200);
}

[class~="text-gray-300"] {
    color: var(--tw-gray-300);
}

[class~="text-gray-400"] {
    color: var(--tw-gray-400);
}

[class~="text-gray-500"] {
    color: var(--tw-gray-500);
}

[class~="text-gray-700"] {
    color: var(--tw-gray-700);
}

[class~="text-red-500"] {
    color: var(--tw-red-500);
}

[class~="text-[#ff4040]"] {
    color: #ff4040;
}

[class~="font-medium"] {
    font-weight: 500;
}

[class~="font-bold"] {
    font-weight: 700;
}

[class~="tracking-tight"] {
    letter-spacing: -0.025em;
}

[class~="leading-tight"] {
    line-height: 1.25;
}

[class~="leading-relaxed"] {
    line-height: 1.625;
}

[class~="whitespace-nowrap"] {
    white-space: nowrap;
}

[class~="whitespace-pre-line"] {
    white-space: pre-line;
}

[class~="outline-none"] {
    outline: 2px solid transparent;
    outline-offset: 2px;
}

[class~="opacity-0"] {
    opacity: 0;
}

[class~="transition-colors"] {
    transition-property: color, background-color, border-color, text-decoration-color, fill, stroke;
    transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
    transition-duration: 150ms;
}

[class~="transition-opacity"] {
    transition-property: opacity;
    transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
    transition-duration: 150ms;
}

[class~="transition-all"] {
    transition-property: all;
    transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
    transition-duration: 150ms;
}

[class~="duration-300"] {
    transition-duration: 300ms;
}

[class~="hover:bg-[#252525]"]:hover {
    background-color: #252525;
}

[class~="hover:bg-[#2a2a2a]"]:hover {
    background-color: #2a2a2a;
}

[class~="hover:bg-[#3d3d3d]"]:hover {
    background-color: #3d3d3d;
}

[class~="hover:bg-[#cc3333]"]:hover {
    background-color: #cc3333;
}

[class~="hover:text-white"]:hover {
    color: var(--tw-white);
}

[class~="hover:text-red-400"]:hover {
    color: var(--tw-red-400);
}

[class~="hover:text-[#ff4040]"]:hover {
    color: #ff4040;
}

[class~="focus:border-gray-700"]:focus {
    border-color: var(--tw-gray-700);
}

[class~="group"]:hover [class~="group-hover:text-white"] {
    color: var(--tw-white);
}

[class~="group"]:hover [class~="group-hover:text-[#ff4040]"] {
    color: #ff4040;
}

[class~="group"]:hover [class~="group-hover:opacity-100"] {
    opacity: 1;
}

@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

@media (min-width: 768px) {
    [class~="md:relative"] {
        position: relative;
    }

    [class~="md:flex-col"] {
        flex-direction: column;
    }

    [class~="md:justify-start"] {
        justify-content: flex-start;
    }

    [class~="md:w-24"] {
        width: 6rem;
    }

    [class~="md:w-auto"] {
        width: auto;
    }

    [class~="md:h-full"] {
        height: 100%;
    }

    [class~="md:hidden"] {
        display: none !important;
    }

    [class~="md:inline"] {
        display: inline;
    }

    [class~="md:border-r"] {
        border-right-width: 1px;
    }

    [class~="md:border-t-0"] {
        border-top-width: 0;
    }

    [class~="md:pt-8"] {
        padding-top: 2rem;
    }

    [class~="md:p-10"] {
        padding: 2.5rem;
    }

    [class~="md:mt-auto"] {
        margin-top: auto;
    }

    [class~="md:mb-8"] {
        margin-bottom: 2rem;
    }

    [class~="md:text-sm"] {
        font-size: 0.875rem;
        line-height: 1.25rem;
    }

    [class~="md:text-3xl"] {
        font-size: 1.875rem;
        line-height: 2.25rem;
    }

    [class~="md:text-6xl"] {
        font-size: 3.75rem;
        line-height: 1;
    }

    [class~="md:space-y-8"]> :not([hidden])~ :not([hidden]) {
        margin-top: 2rem;
    }
}

.ipa {
    font-family: 'Gentium Plus', serif;
}

.exs {
    font-family: "Kosugi Regular", sans-serif;
}

/* 5. Lobby */
.lobby-backdrop {
    position: absolute;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.5);
    background-image: url("/assets/images/lobby_image.jpg");
    background-blend-mode: multiply;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.lobby-panel {
    position: relative;
    width: min(30rem, calc(100vw - 2rem));
    background-color: rgba(18, 18, 18, 0.75);
    border-radius: 0.75rem;
    padding: 2rem;
    box-shadow: 0 18px 38px rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.lobby-brand {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    text-align: center;
}

.lobby-logo {
    display: block;
    width: min(13rem, 62vw);
    max-width: 100%;
    max-height: 8rem;
    height: auto;
    object-fit: contain;
}

.lobby-title {
    margin: 0;
    text-align: center;
}

.lobby-form {
    margin-top: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.lobby-submit {
    margin-top: 0.25rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.85rem;
    background-color: #ff4040;
    color: #ffffff;
    border-radius: 0.5rem;
    padding: 0.75rem 1rem;
    font-size: 0.95rem;
    font-weight: 700;
    transition: background-color 150ms ease, transform 150ms ease, opacity 150ms ease;
}

.lobby-submit:hover {
    background-color: #cc3333;
    transform: translateY(-1px);
}

.lobby-submit:disabled {
    opacity: 0.7;
    cursor: wait;
    transform: none;
}

.lobby-google-submit {
    width: 100%;
    min-height: 3.25rem;
    background-color: #1f1f1f;
    border: 1px solid rgba(255, 255, 255, 0.14);
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.24);
}

.lobby-google-submit:hover {
    background-color: #252525;
    border-color: rgba(255, 255, 255, 0.2);
}

.lobby-google-mark {
    width: 2rem;
    height: 2rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    background-color: rgba(255, 255, 255, 0.12);
    color: #ffffff;
    flex: 0 0 auto;
}

.lobby-help {
    text-align: center;
    line-height: 1.4;
}

.lobby-error {
    font-size: 0.75rem;
    line-height: 1rem;
    color: var(--tw-red-400);
}

.map-view {
    position: relative;
    background-color: #141414;
}

.map-stage {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
    isolation: isolate;
    background-color: #161616;
    touch-action: pan-y;
}

.map-stage::before {
    content: '';
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    background-color: rgba(0, 0, 0, 0.24);
}

.map-slide {
    position: absolute;
    inset: 0;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0;
    padding:
        clamp(3rem, 5vw, 4rem) clamp(1rem, 2vw, 1.5rem) clamp(3.5rem, 6vw, 4.5rem);
    opacity: 0;
    transform: translateY(1rem) scale(0.985);
    pointer-events: none;
    transition: opacity 220ms ease, transform 260ms ease;
}

.map-slide.is-active {
    opacity: 1;
    transform: translateY(0) scale(1);
    pointer-events: auto;
}

.map-slide img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 0.75rem;
    background-color: rgba(0, 0, 0, 0.16);
    box-shadow:
        inset 0 0 0 1px rgba(255, 255, 255, 0.035),
        0 18px 34px rgba(0, 0, 0, 0.22);
}

.map-stage-topbar,
.map-stage-bottombar {
    position: absolute;
    left: 0;
    right: 0;
    z-index: 2;
    display: flex;
    pointer-events: none;
}

.map-stage-topbar {
    top: 0;
    align-items: flex-start;
    justify-content: flex-start;
    padding:
        max(0.8rem, calc(0.8rem + env(safe-area-inset-top, 0px))) 0.9rem 0;
}

.map-stage-title {
    margin: 0;
    max-width: min(46rem, calc(100% - 1.8rem));
    padding: 0.45rem 0.75rem;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 0.65rem;
    background-color: rgba(17, 17, 17, 0.72);
    color: #f5f5f5;
    font-size: 0.9rem;
    line-height: 1.35;
    font-weight: 700;
    letter-spacing: -0.01em;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.map-stage-bottombar {
    bottom: 0;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    flex-wrap: wrap;
    padding:
        0 0.9rem max(0.8rem, calc(0.8rem + env(safe-area-inset-bottom, 0px)));
}

.map-stage-hint,
.map-stage-counter {
    margin: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 2rem;
    padding: 0.35rem 0.65rem;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 999px;
    background-color: rgba(17, 17, 17, 0.68);
    color: #d1d5db;
    font-size: 0.76rem;
    line-height: 1;
    backdrop-filter: blur(3px);
    -webkit-backdrop-filter: blur(3px);
}

.map-stage-counter {
    color: #f3f4f6;
    font-weight: 700;
    letter-spacing: 0.03em;
}

.map-stage:focus-visible {
    outline: 2px solid rgba(177, 69, 93, 0.9);
    outline-offset: -2px;
}

@media (max-width: 767.98px) {
    .map-slide {
        padding:
            max(3.1rem, calc(3.1rem + env(safe-area-inset-top, 0px))) 0.65rem max(3.1rem, calc(3.1rem + env(safe-area-inset-bottom, 0px)));
    }

    .map-slide img {
        border-radius: 0.6rem;
    }

    .map-stage-topbar {
        padding-right: var(--app-mobile-floating-ui-clearance);
        padding-left: 0.65rem;
    }

    .map-stage-bottombar {
        padding-right: 0.65rem;
        padding-left: 0.65rem;
        gap: 0.5rem;
    }

    .map-stage-title {
        font-size: 0.82rem;
        padding: 0.42rem 0.62rem;
    }

    .map-stage-hint,
    .map-stage-counter {
        font-size: 0.7rem;
        min-height: 1.85rem;
        padding: 0.28rem 0.55rem;
    }
}

.app-info-scroll-track {
    position: relative;
    height: 100%;
    overflow-x: hidden;
    overflow-y: auto;
    scroll-snap-type: y mandatory;
    overscroll-behavior-y: contain;
    scroll-behavior: smooth;
    touch-action: pan-y;
    scrollbar-gutter: stable both-edges;
}

.app-info-page {
    min-height: 100%;
    scroll-snap-align: start;
    scroll-snap-stop: always;
}

.app-info-page-about {
    position: relative;
    height: 100%;
    isolation: isolate;
    background-color: rgba(0, 0, 0, 0.5);
    background-image: url("/assets/images/lobby_image.jpg");
    background-blend-mode: multiply;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.app-info-page-about::before {
    content: '';
    position: absolute;
    top: 0;
    right: -3rem;
    bottom: 0;
    left: -3rem;
    z-index: -1;
    background-color: rgba(0, 0, 0, 0.5);
    background-image: url("/assets/images/lobby_image.jpg");
    background-blend-mode: multiply;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    pointer-events: none;
}

.app-info-page-help {
    position: relative;
    isolation: isolate;
    background-color: #1e1e1e;
}

.app-info-page-help::before {
    content: '';
    position: absolute;
    top: 0;
    right: -3rem;
    bottom: 0;
    left: -3rem;
    z-index: -1;
    background-color: #1e1e1e;
    pointer-events: none;
}

.app-info-body {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    min-height: 100%;
    padding: 1.5rem;
}

.app-info-panel {
    width: min(30rem, 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 0.95rem;
    padding: 1.6rem 1.35rem;
    border-radius: 0.75rem;
    border: 1px solid rgba(255, 255, 255, 0.04);
    background-color: rgba(18, 18, 18, 0.74);
    box-shadow: 0 18px 38px rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.app-info-logo {
    display: block;
    width: min(11rem, 52vw);
    max-width: 100%;
    height: auto;
    object-fit: contain;
}

.app-info-title {
    margin: 0;
    color: #ffffff;
    font-size: clamp(2rem, 5vw, 3rem);
    line-height: 1.08;
    font-weight: 800;
    letter-spacing: -0.015em;
}

.app-info-description {
    margin: 0.25rem 0 0;
    color: #d1d5db;
    font-size: 0.95rem;
    line-height: 1.7;
    max-width: 30ch;
}

.app-info-version {
    margin: 0.2rem 0 0;
    color: #9ca3af;
    font-size: 0.8rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.app-info-link-btn {
    margin-top: 0.55rem;
    min-width: 11rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.55rem;
    border: 1px solid #742039;
    border-radius: 0.55rem;
    padding: 0.72rem 1.1rem;
    background-color: #ff4040;
    color: #ffffff;
    font-size: 0.9rem;
    font-weight: 700;
    line-height: 1;
    transition: background-color 150ms ease, border-color 150ms ease, transform 150ms ease;
}

.app-info-link-btn:hover {
    border-color: #8c2e47;
    background-color: #9f1232;
    transform: translateY(-1px);
}

/* 5-1. Info 화면 버튼/호출 UI */
.app-info-modal-btn {
    min-width: 11rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.55rem;
    border: 1px solid #454545;
    border-radius: 0.55rem;
    padding: 0.72rem 1.1rem;
    background-color: #2a2a2a;
    color: #f3f4f6;
    font-size: 0.9rem;
    font-weight: 700;
    line-height: 1;
    transition: background-color 150ms ease, border-color 150ms ease, transform 150ms ease;
}

.app-info-modal-btn:hover {
    border-color: #606060;
    background-color: #353535;
    transform: translateY(-1px);
}

.app-info-since {
    font-size: 0.75rem;
    color: var(--tw-gray-500);
    text-transform: uppercase;
}

.app-info-scroll-hint {
    margin: 0.35rem 0 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    color: #9ca3af;
    font-size: 0.78rem;
    line-height: 1.25;
    pointer-events: none;
}

.app-info-scroll-hint i {
    color: #d1d5db;
}

.app-info-page-about>.app-info-scroll-hint {
    position: absolute;
    left: 50%;
    bottom: max(1rem, calc(1rem + env(safe-area-inset-bottom, 0px)));
    margin: 0;
    transform: translateX(-50%);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 999px;
    background-color: rgba(16, 16, 16, 0.65);
    padding: 0.35rem 0.7rem;
    backdrop-filter: blur(3px);
    -webkit-backdrop-filter: blur(3px);
}

.app-info-scroll-hint-up {
    margin: 0;
    white-space: nowrap;
}

.app-info-help-body {
    width: 100%;
    min-height: 100%;
    margin: 0 auto;
    padding: 1.5rem clamp(1rem, 3vw, 2.75rem) 2rem;
}

.app-info-help-header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.4rem;
    padding-bottom: 0.95rem;
    border-bottom: 1px solid #2b2b2b;
}

.app-info-help-eyebrow {
    margin: 0;
    color: #9ca3af;
    font-size: 0.7rem;
    line-height: 1;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.app-info-help-title {
    margin: 0.35rem 0 0;
    color: #ffffff;
    font-size: 1.75rem;
    line-height: 1.1;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.app-info-help-body details {
    border: 1px solid #2f2f2f;
    transition: border-color 150ms ease, background-color 150ms ease;
}

.app-info-help-body details[open] {
    border-color: #4a4a4a;
    background-color: #292929;
}

.app-info-help-body summary {
    cursor: pointer;
    list-style: none;
}

.app-info-help-body summary::-webkit-details-marker {
    display: none;
}

.app-info-help-body summary::before {
    content: '▸';
    display: inline-block;
    margin-right: 0.45rem;
    color: #9ca3af;
    transition: transform 150ms ease, color 150ms ease;
}

.app-info-help-body details[open] summary::before {
    transform: rotate(90deg);
    color: #f3f4f6;
}

/* 5-2. Info/License/Changelog/Logout 공용 모달 */
.app-info-modal {
    position: fixed;
    inset: 0;
    z-index: 70;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.65rem;
}

.app-info-modal-backdrop {
    position: absolute;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.65);
}

.app-info-modal-panel {
    position: relative;
    z-index: 1;
    width: 70vw;
    max-width: 70vw;
    height: 70vh;
    max-height: 70vh;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    border: 1px solid #3e3e3e;
    border-radius: 0.85rem;
    background-color: #171717;
    box-shadow: 0 18px 44px rgba(0, 0, 0, 0.46);
    padding: 1.5rem;
}

.app-info-modal-title {
    margin: 0;
    text-align: center;
    color: #ffffff;
    font-size: 1.2rem;
    line-height: 1.3;
    font-weight: 700;
}

.app-info-modal-content {
    flex: 1;
    min-height: 20rem;
    overflow-y: auto;
    text-align: left;
    color: #d1d5db;
    font-size: 0.92rem;
    line-height: 1.65;
    padding: 0.125rem 0.125rem 0.25rem;
}

.app-info-license-section+.app-info-license-section {
    margin-top: 1.1rem;
}

.app-info-license-heading {
    margin: 0;
    color: #ffffff;
    font-size: 1rem;
    line-height: 1.35;
    font-weight: 700;
}

.app-info-license-section p {
    margin: 0.45rem 0 0;
}

.app-info-license-divider {
    border: 0;
    border-top: 1px solid #333333;
    margin: 1rem 0;
}

.app-info-license-list {
    margin: 0.55rem 0 0;
    padding-left: 1.1rem;
}

.app-info-license-list li+li {
    margin-top: 0.3rem;
}

.app-info-modal-actions {
    display: flex;
    justify-content: center;
}

.app-info-modal-close-btn {
    min-width: 6.6rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    border: 1px solid #4b4b4b;
    border-radius: 0.5rem;
    background-color: #2d2d2d;
    color: #f3f4f6;
    font-size: 0.86rem;
    font-weight: 700;
    line-height: 1;
    padding: 0.6rem 0.9rem;
    transition: background-color 140ms ease, border-color 140ms ease;
}

.app-info-modal-close-btn:hover {
    border-color: #636363;
    background-color: #393939;
}

.logout-confirm-modal-panel {
    width: min(24rem, calc(100vw - 1.5rem));
    max-width: 24rem;
    height: auto;
    max-height: none;
    gap: 0.85rem;
}

.logout-confirm-modal-description {
    margin: 0;
    text-align: center;
    color: #d1d5db;
    font-size: 0.92rem;
    line-height: 1.6;
}

.logout-confirm-modal-actions {
    gap: 0.55rem;
}

.logout-confirm-submit-btn {
    min-width: 6.6rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    border: 1px solid #742039;
    border-radius: 0.5rem;
    background-color: #ff4040;
    color: #ffffff;
    font-size: 0.86rem;
    font-weight: 700;
    line-height: 1;
    padding: 0.6rem 0.9rem;
    transition: background-color 140ms ease, border-color 140ms ease;
}

.logout-confirm-submit-btn:hover {
    border-color: #8c2e47;
    background-color: #9f1232;
}

@media (max-width: 767.98px) {
    .app-info-body {
        padding: 1rem;
    }

    .app-info-panel {
        padding: 1.25rem 1rem;
    }

    .app-info-help-body {
        padding: 1rem 1rem 1.35rem;
    }

    .app-info-help-header {
        align-items: flex-start;
        flex-direction: column;
        gap: 0.5rem;
        margin-bottom: 1rem;
        padding-bottom: 0.8rem;
    }

    .app-info-help-title {
        font-size: 1.45rem;
    }

    .app-info-scroll-hint {
        font-size: 0.72rem;
    }

    .app-info-page-about>.app-info-scroll-hint {
        left: max(0.7rem, calc(0.7rem + env(safe-area-inset-left, 0px)));
        bottom: max(0.7rem, calc(0.7rem + env(safe-area-inset-bottom, 0px)));
        transform: none;
        padding: 0.3rem 0.6rem;
    }

    .app-info-description {
        max-width: 34ch;
        font-size: 0.9rem;
    }

    .app-info-modal-panel {
        width: 80vw;
        max-width: 80vw;
        height: 80vh;
        max-height: 80vh;
        padding: 1rem;
    }

    .app-info-modal-content {
        min-height: 14rem;
    }

    .logout-confirm-modal-panel {
        width: min(22rem, calc(100vw - 1rem));
        max-width: 22rem;
        height: auto;
        max-height: none;
    }

    .chat-image-modal-panel {
        min-width: min(18rem, calc(100vw - 1rem));
        min-height: min(14rem, calc(100vh - 1rem));
        max-width: calc(100vw - 1rem);
        max-height: calc(100vh - 1rem);
        padding: 0.9rem;
    }

    .chat-image-modal-header {
        flex-direction: column;
        align-items: stretch;
    }

    .chat-image-modal-stage {
        min-width: 12rem;
        min-height: 8rem;
        padding: 0.5rem;
    }

    .chat-image-modal-header .app-info-modal-close-btn {
        width: 100%;
    }
}

/* 5-3. 콘텐츠 액션 버튼(복사/수정/삭제) 공통 스타일 */
.content-action-group {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.content-action-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.75rem;
    height: 1.75rem;
    padding: 0;
    border: 0;
    border-radius: 0.375rem;
    background: transparent;
    color: #9ca3af;
    transition: background-color 160ms ease, color 160ms ease, opacity 160ms ease;
    flex-shrink: 0;
    cursor: pointer;
}

.content-action-btn:hover {
    color: #ffffff;
    background-color: rgba(255, 255, 255, 0.06);
}

.content-action-btn:focus-visible {
    outline: 2px solid rgba(255, 64, 64, 0.45);
    outline-offset: 2px;
}

.content-action-btn.is-danger {
    color: #ef4444;
}

.content-action-btn.is-danger:hover {
    color: #f87171;
    background-color: rgba(239, 68, 68, 0.1);
}

.content-action-btn i {
    pointer-events: none;
}

.content-action-btn[aria-disabled="true"] {
    cursor: not-allowed;
}

/* 5-4. 토스트 알림 */
.app-toast {
    position: fixed;
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    right: max(0.75rem, calc(0.75rem + env(safe-area-inset-right, 0px)));
    bottom: calc(4.75rem + env(safe-area-inset-bottom, 0px));
    z-index: 60;
    max-width: min(24rem, calc(100vw - 1.5rem));
    padding: 0.65rem 0.85rem;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 0.625rem;
    background: rgba(20, 20, 20, 0.94);
    color: #f3f4f6;
    font-size: 0.875rem;
    line-height: 1.35;
    box-shadow: 0 0.75rem 2rem rgba(0, 0, 0, 0.28);
    pointer-events: none;
    opacity: 0;
    visibility: hidden;
    transform: translateY(0.375rem);
    transition: opacity 180ms ease, transform 180ms ease, visibility 0s linear 180ms;
}

.app-toast-icon {
    margin-top: 0.08rem;
    flex-shrink: 0;
}

.app-toast-text {
    min-width: 0;
}

.app-toast.is-visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    transition-delay: 0s;
}

.app-toast.is-success {
    border-color: rgba(16, 185, 129, 0.35);
    background: rgba(6, 78, 59, 0.94);
    color: #ecfdf5;
}

.app-toast.is-warning {
    border-color: rgba(245, 158, 11, 0.38);
    background: rgba(120, 53, 15, 0.94);
    color: #fffbeb;
}

.app-toast.is-error {
    border-color: rgba(239, 68, 68, 0.36);
    background: rgba(127, 29, 29, 0.95);
    color: #fef2f2;
}

@media (min-width: 768px) {
    .app-toast {
        bottom: max(0.75rem, calc(0.75rem + env(safe-area-inset-bottom, 0px)));
    }
}

#post-detail-edit-btn:disabled,
#post-detail-delete-btn:disabled,
.content-action-btn[aria-disabled="true"],
#post-detail-edit-btn[aria-disabled="true"],
#post-detail-delete-btn[aria-disabled="true"] {
    opacity: 0.45;
}

/* 5-5. 인라인 편집 UI (채팅/댓글/답글) */
.inline-edit-box {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    width: 100%;
}

.inline-edit-input {
    width: 100%;
    min-height: 5rem;
    max-height: 10rem;
    resize: none;
    overflow-y: hidden;
    border: 1px solid #3b3b3b;
    border-radius: 0.5rem;
    background-color: #212121;
    color: #f3f4f6;
    padding: 0.625rem 0.75rem;
    line-height: 1.5;
}

.inline-edit-input:focus {
    outline: 1px solid rgba(255, 64, 64, 0.45);
    border-color: #8f3047;
}

.inline-edit-actions {
    display: flex;
    justify-content: flex-end;
    gap: 0.5rem;
}

.inline-edit-btn {
    border: 1px solid #4b5563;
    border-radius: 0.45rem;
    background-color: #2f2f2f;
    color: #f3f4f6;
    font-size: 0.75rem;
    line-height: 1rem;
    padding: 0.375rem 0.625rem;
}

.inline-edit-save {
    border-color: #742039;
    background-color: #ff4040;
    color: #ffffff;
}

.inline-edit-save:hover {
    background-color: #9f1232;
}

.inline-edit-cancel:hover {
    background-color: #3a3a3a;
}

/* 5-6. 게시글 작성/수정 패널 */
.board-editor-view {
    background-color: #181818;
}

.board-editor-topbar {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    padding: 1.4rem 1.5rem 0;
}

.board-editor-back-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    border: 1px solid rgba(108, 114, 128, 0.36);
    border-radius: 999px;
    background-color: rgba(24, 24, 27, 0.76);
    color: #f3f4f6;
    font-size: 0.86rem;
    font-weight: 700;
    line-height: 1;
    padding: 0.72rem 1rem;
    transition: border-color 140ms ease, background-color 140ms ease, transform 140ms ease;
}

.board-editor-back-btn:hover {
    border-color: rgba(255, 113, 113, 0.55);
    background-color: rgba(37, 37, 41, 0.92);
    transform: translateY(-1px);
}

.board-editor-back-btn:focus-visible {
    outline: 2px solid rgba(255, 64, 64, 0.42);
    outline-offset: 2px;
}

.board-editor-shell {
    flex: 1 1 auto;
    min-height: 0;
    display: block;
    padding: 1.2rem 1.5rem 1.5rem;
}

.board-editor-main {
    min-height: 0;
}

.board-editor-main {
    display: flex;
    height: 100%;
    overflow-y: auto;
    max-width: none;
}

.post-edit-panel {
    border: 0;
    border-radius: 0;
    background-color: transparent;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 0;
    box-shadow: none;
}

.board-editor-view .post-edit-panel:not(.hide) {
    flex: 1 1 auto;
    min-height: 100%;
}

.board-editor-view .post-edit-field:last-of-type {
    flex: 1 1 auto;
    min-height: 0;
}

.board-editor-view .post-edit-textarea {
    flex: 1 1 auto;
    min-height: 24rem;
}

.board-create-panel {
    margin: 0;
    margin-bottom: 0.75rem;
}

.post-edit-heading {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    padding-bottom: 0.9rem;
    border-bottom: 1px solid rgba(64, 64, 64, 0.92);
}

.post-edit-kicker {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.55rem;
    border: 1px solid rgba(166, 58, 84, 0.48);
    border-radius: 999px;
    background-color: rgba(113, 33, 52, 0.28);
    color: #ffc6d2;
    font-size: 0.71rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.post-edit-title {
    margin: 0.6rem 0 0;
    color: #ffffff;
    font-family: "Montserrat", sans-serif;
    font-size: 1.15rem;
    font-weight: 700;
    line-height: 1.35;
}

.post-edit-description {
    margin: 0.45rem 0 0;
    max-width: 44rem;
    color: #a9adb7;
    font-size: 0.9rem;
    line-height: 1.6;
}

.post-edit-meta {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 0.45rem;
}

.post-edit-meta-chip {
    display: inline-flex;
    align-items: center;
    padding: 0.4rem 0.72rem;
    border: 1px solid rgba(166, 58, 84, 0.34);
    border-radius: 999px;
    background-color: rgba(77, 30, 45, 0.42);
    color: #ffd6df;
    font-size: 0.76rem;
    font-weight: 700;
    line-height: 1;
    white-space: nowrap;
}

.post-edit-meta-chip.is-muted {
    border-color: rgba(82, 92, 112, 0.42);
    background-color: rgba(34, 38, 45, 0.72);
    color: #d5d8de;
}

.post-edit-field {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
}

.post-edit-label {
    color: #e5e7eb;
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.02em;
}

.post-edit-help {
    margin: 0;
    color: #969daa;
    font-size: 0.79rem;
    line-height: 1.55;
}

.post-edit-help-compact {
    color: #a1a7b2;
}

.post-edit-utility-bar {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    padding: 0.95rem 1rem;
    border: 1px dashed rgba(115, 82, 91, 0.72);
    border-radius: 0.95rem;
    background-color: rgba(28, 28, 30, 0.96);
}

.post-attachment-btn {
    width: 100%;
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    border: 1px solid rgba(80, 63, 69, 0.9);
    border-radius: 0.85rem;
    background-color: rgba(34, 34, 36, 0.94);
    color: #f3f4f6;
    padding: 0.75rem 0.9rem;
    text-align: left;
    transition: border-color 140ms ease, background-color 140ms ease, transform 140ms ease;
}

.post-attachment-btn:hover {
    border-color: rgba(174, 78, 104, 0.82);
    background-color: rgba(44, 37, 41, 0.98);
    transform: translateY(-1px);
}

.post-attachment-btn:focus-visible {
    outline: 2px solid rgba(255, 64, 64, 0.42);
    outline-offset: 2px;
}

.post-attachment-btn-icon {
    width: 2.1rem;
    height: 2.1rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    background-color: rgba(158, 39, 64, 0.22);
    color: #ffdce3;
    flex-shrink: 0;
}

.post-attachment-btn-copy {
    min-width: 0;
    flex: 1 1 auto;
    display: flex;
    flex-direction: column;
    gap: 0.18rem;
}

.post-attachment-btn-copy strong {
    color: #ffffff;
    font-size: 0.92rem;
    font-weight: 700;
    line-height: 1.3;
}

.post-attachment-btn-copy span {
    color: #a7adb8;
    font-size: 0.79rem;
    line-height: 1.45;
}

.post-attachment-btn-status {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.28rem 0.58rem;
    border: 1px solid rgba(160, 68, 92, 0.4);
    border-radius: 999px;
    background-color: rgba(111, 35, 53, 0.3);
    color: #ffcad7;
    font-size: 0.72rem;
    font-weight: 700;
    line-height: 1;
    white-space: nowrap;
}

.post-edit-field-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
}

.post-edit-limit {
    color: #b7bec8;
    font-size: 0.75rem;
    font-weight: 700;
    white-space: nowrap;
}

#board-list {
    padding-bottom: 5.25rem;
}

.board-post-comment-count {
    margin-left: 0.45rem;
    color: #ff9a6b;
    font-size: 0.82em;
    font-weight: 600;
    transition: color 150ms ease;
}

.group:hover .board-post-comment-count {
    color: #ffd2b8;
}

.board-create-fab {
    position: absolute;
    right: 1rem;
    bottom: 1rem;
    z-index: 25;
    width: 3.1rem;
    height: 3.1rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid #8c2e47;
    border-radius: 9999px;
    background-color: #ff4040;
    color: #ffffff;
    box-shadow: 0 10px 22px rgba(0, 0, 0, 0.35), 0 6px 16px rgba(159, 18, 50, 0.22);
    transition: transform 140ms ease, box-shadow 140ms ease, background-color 140ms ease, border-color 140ms ease;
}

.board-create-fab:hover {
    border-color: #a53b56;
    background-color: #ff4a4a;
    transform: translateY(-1px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.38), 0 8px 20px rgba(159, 18, 50, 0.26);
}

.board-create-fab:focus-visible {
    outline: 2px solid rgba(255, 64, 64, 0.45);
    outline-offset: 2px;
}

.board-create-fab i {
    font-size: 1.05rem;
    pointer-events: none;
}

@media (max-width: 767.98px) {
    #board-list {
        padding-bottom: 5.5rem;
    }

    .board-editor-topbar {
        padding: 1rem 1rem 0;
    }

    .board-editor-shell {
        padding: 1rem;
        overflow-y: auto;
    }

    .board-editor-main {
        overflow: visible;
        padding-right: 0;
    }

    .post-edit-panel {
        padding: 1rem;
        gap: 0.9rem;
    }

    .post-edit-heading,
    .post-edit-field-footer {
        flex-direction: column;
        align-items: stretch;
    }

    .post-edit-meta {
        justify-content: flex-start;
    }

    .post-attachment-btn {
        align-items: flex-start;
    }

    .post-attachment-btn-status {
        align-self: center;
    }

    .post-edit-actions {
        width: 100%;
    }

    .post-edit-save,
    .post-edit-cancel {
        flex: 1 1 0;
    }

    .board-create-fab {
        right: 0.75rem;
        bottom: 0.75rem;
        width: 3.25rem;
        height: 3.25rem;
    }
}

.chat-message-body {
    flex: 1 1 auto;
    min-width: 0;
}

.chat-desktop-header {
    display: none;
}

.chat-typing-status {
    max-height: 0;
    margin-bottom: 0;
    color: #9ca3af;
    font-size: 0.74rem;
    line-height: 1.35;
    letter-spacing: 0.01em;
    opacity: 0;
    overflow: hidden;
    overflow-wrap: anywhere;
    transition: max-height 140ms ease, margin-bottom 140ms ease, opacity 140ms ease;
}

.chat-typing-status.is-active {
    max-height: 2.4rem;
    margin-bottom: 0.45rem;
    opacity: 1;
}

.chat-compose-input {
    resize: none;
    line-height: 1.45;
    min-height: 2.5rem;
    max-height: 10rem;
    overflow-y: hidden;
    padding-top: 0.5rem;
    padding-bottom: 0.5rem;
}

#post-comment-input {
    min-height: 2.75rem;
    line-height: 1.45;
    max-height: 10rem;
    resize: none;
    overflow-y: hidden;
}

.chat-jump-latest-btn {
    position: absolute;
    left: 50%;
    bottom: 0.75rem;
    transform: translateX(-50%);
    width: 2.25rem;
    height: 2.25rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid #3a3a3a;
    border-radius: 9999px;
    background-color: rgba(27, 27, 27, 0.95);
    color: #f3f4f6;
    box-shadow: 0 8px 18px rgba(0, 0, 0, 0.35);
    z-index: 30;
    transition: background-color 150ms ease, border-color 150ms ease, color 150ms ease;
}

.chat-jump-latest-btn:hover {
    border-color: #4b5563;
    background-color: #333333;
    color: #ffffff;
}

.chat-history-status {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 1.8rem;
    margin-bottom: 0.65rem;
    color: #9ca3af;
    font-size: 0.76rem;
    line-height: 1.35;
    text-align: center;
}

@media (min-width: 768px) {
    .chat-desktop-header {
        height: 4rem;
        display: flex;
        align-items: center;
        flex-shrink: 0;
        padding: 0 1.5rem;
        background-color: #161616;
        border-bottom: 1px solid #2a2a2a;
    }
}

.post-edit-input,
.post-edit-textarea {
    width: 100%;
    border: 1px solid rgba(65, 65, 65, 0.95);
    border-radius: 0.85rem;
    background-color: rgba(32, 33, 35, 0.96);
    color: #f3f4f6;
    padding: 0.8rem 0.95rem;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.02);
    transition: border-color 140ms ease, box-shadow 140ms ease, background-color 140ms ease;
}

.post-edit-input::placeholder,
.post-edit-textarea::placeholder {
    color: #7f8792;
}

.post-edit-input:focus,
.post-edit-textarea:focus {
    outline: 2px solid rgba(255, 64, 64, 0.18);
    outline-offset: 1px;
    border-color: rgba(180, 67, 93, 0.95);
    background-color: rgba(35, 35, 38, 0.98);
    box-shadow: 0 0 0 0.18rem rgba(255, 64, 64, 0.08);
}

.post-edit-textarea {
    min-height: 14rem;
    resize: vertical;
    line-height: 1.65;
}

.post-edit-actions {
    display: flex;
    justify-content: flex-end;
    gap: 0.6rem;
    padding-top: 0.15rem;
}

/* 6. Markdown 렌더링 확장 스타일 (Prism.js/표/각주) */
.markdown-rendered {
    overflow-wrap: anywhere;
}

.markdown-rendered img.twemoji {
    width: 1.2em;
    height: 1.2em;
    margin: 0 0.05em;
    vertical-align: -0.14em;
}

.markdown-rendered.markdown-emoji-only {
    line-height: 1;
    overflow-wrap: normal;
    word-break: keep-all;
}

.markdown-rendered.markdown-emoji-only>p {
    margin: 0;
    line-height: 1;
}

.markdown-rendered.markdown-emoji-only img.twemoji {
    display: inline-block;
    width: 2.5em;
    height: 2.5em;
    margin: 0 0.045em;
    vertical-align: -0.22em;
}

.markdown-rendered pre,
.markdown-rendered .md-code-block {
    margin: 0.7rem 0;
    border: none;
    border-radius: 0.75rem;
    background-color: rgba(24, 18, 26, 0.98);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05), 0 8px 20px rgba(0, 0, 0, 0.22);
    padding: 0.9rem 0.95rem 0.85rem;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.markdown-rendered pre[data-code-lang] {
    position: relative;
    padding-top: 1.8rem;
}

.markdown-rendered pre[data-code-lang]::before {
    content: attr(data-code-lang);
    position: absolute;
    top: 0.42rem;
    left: 0.58rem;
    font-family: "Montserrat", sans-serif;
    font-size: 0.67rem;
    font-weight: 600;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    color: #f8d7de;
    background-color: rgba(255, 64, 64, 0.34);
    border: 1px solid rgba(177, 69, 93, 0.45);
    border-radius: 999px;
    padding: 0.08rem 0.46rem;
}

.markdown-rendered pre code[class*="language-"] {
    display: block;
    min-width: max-content;
    background: transparent;
    color: #f4ecf1;
    font-family: var(--ui-mono-font);
    font-size: 0.84rem;
    font-weight: 400;
    line-height: 1.62;
    text-shadow: none;
    white-space: pre;
}

.markdown-rendered :not(pre)>code {
    padding: 0.14rem 0.38rem;
    border-radius: 0.375rem;
    border: 1px solid rgba(177, 69, 93, 0.36);
    background-color: rgba(84, 37, 54, 0.56);
    color: #ffe2ea;
    font-size: 0.84em;
    font-family: var(--ui-mono-font);
}

.markdown-rendered .md-spoiler {
    display: inline;
    box-decoration-break: clone;
    -webkit-box-decoration-break: clone;
    padding: 0.06em 0.34em;
    border-radius: 0.42rem;
    cursor: pointer;
    transition: background-color 150ms ease, box-shadow 150ms ease, border-color 150ms ease;
}

.markdown-rendered .md-spoiler:focus-visible {
    outline: 2px solid rgba(255, 215, 168, 0.9);
    outline-offset: 2px;
}

.markdown-rendered .md-spoiler[data-spoiler-state="hidden"] {
    background-color: rgba(126, 134, 148, 0.96);
    user-select: none;
}

.markdown-rendered .md-spoiler[data-spoiler-state="hidden"]:hover {
    background-color: rgba(144, 152, 167, 0.98);
}

.markdown-rendered .md-spoiler[data-spoiler-state="hidden"] {
    color: transparent !important;
    text-shadow: none !important;
}

.markdown-rendered .md-spoiler[data-spoiler-state="hidden"] * {
    color: transparent !important;
    text-decoration-color: transparent !important;
    border-color: transparent !important;
    background: transparent !important;
    box-shadow: none !important;
    text-shadow: none !important;
}

.markdown-rendered .md-spoiler[data-spoiler-state="hidden"] img,
.markdown-rendered .md-spoiler[data-spoiler-state="hidden"] svg,
.markdown-rendered .md-spoiler[data-spoiler-state="hidden"] .katex,
.markdown-rendered .md-spoiler[data-spoiler-state="hidden"] .twemoji {
    opacity: 0;
}

.markdown-rendered .md-spoiler[data-spoiler-state="revealed"] {
    background-color: rgba(255, 255, 255, 0.12);
}

.markdown-rendered .token {
    font-weight: 400;
}

.markdown-rendered .token.comment,
.markdown-rendered .token.prolog,
.markdown-rendered .token.doctype,
.markdown-rendered .token.cdata {
    color: #ad9ca5;
}

.markdown-rendered .token.punctuation {
    color: #e2d1d8;
}

.markdown-rendered .token.namespace,
.markdown-rendered .token.operator,
.markdown-rendered .token.entity,
.markdown-rendered .token.url {
    color: #e4b0d2;
}

.markdown-rendered .token.property,
.markdown-rendered .token.tag,
.markdown-rendered .token.constant,
.markdown-rendered .token.symbol,
.markdown-rendered .token.deleted {
    color: #fca1b6;
}

.markdown-rendered .token.boolean,
.markdown-rendered .token.number {
    color: #f2c28f;
}

.markdown-rendered .token.selector,
.markdown-rendered .token.attr-name,
.markdown-rendered .token.string,
.markdown-rendered .token.char,
.markdown-rendered .token.builtin,
.markdown-rendered .token.inserted {
    color: #b7dbbe;
}

.markdown-rendered .token.atrule,
.markdown-rendered .token.attr-value,
.markdown-rendered .token.keyword {
    color: #ff9db6;
}

.markdown-rendered .token.function,
.markdown-rendered .token.function-name,
.markdown-rendered .token.class-name {
    color: #a2caef;
}

.markdown-rendered .token.regex,
.markdown-rendered .token.important,
.markdown-rendered .token.variable {
    color: #dbc4f3;
}

.markdown-rendered .token.bold,
.markdown-rendered .token.important {
    font-weight: 400;
}

.markdown-rendered .token.italic {
    font-style: italic;
}

@media (max-width: 767.98px) {

    .markdown-rendered pre,
    .markdown-rendered .md-code-block {
        border-radius: 0.65rem;
        padding: 0.74rem 0.8rem 0.72rem;
    }

    .markdown-rendered pre[data-code-lang] {
        padding-top: 1.68rem;
    }
}

.post-edit-save,
.post-edit-cancel {
    min-width: 5.25rem;
    border: 1px solid #4b5563;
    border-radius: 0.75rem;
    font-size: 0.875rem;
    font-weight: 700;
    padding: 0.72rem 1.05rem;
    transition: background-color 140ms ease, border-color 140ms ease, transform 140ms ease;
}

.post-edit-save {
    border-color: #742039;
    background-color: #ff4040;
    color: #ffffff;
    box-shadow: 0 10px 22px rgba(159, 18, 50, 0.18);
}

.post-edit-save:hover {
    background-color: #ff4a4a;
    transform: translateY(-1px);
}

.post-edit-cancel {
    background-color: #292929;
    color: #f3f4f6;
}

.post-edit-cancel:hover {
    border-color: #6b7280;
    background-color: #353535;
    transform: translateY(-1px);
}

/* 6-1. 게시글 상세 마크다운 표/각주 스타일 */
#post-detail-content table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    margin: 1rem 0;
    border: 1px solid rgba(75, 85, 99, 0.6);
    border-radius: 0.625rem;
    background-color: rgba(20, 20, 20, 0.92);
    overflow: hidden;
}

#post-detail-content thead tr {
    background-color: rgba(42, 42, 42, 0.95);
}

#post-detail-content th,
#post-detail-content td {
    padding: 0.6rem 0.75rem;
    text-align: left;
    vertical-align: top;
    border-right: 1px solid rgba(75, 85, 99, 0.45);
    border-bottom: 1px solid rgba(75, 85, 99, 0.45);
}

#post-detail-content th:last-child,
#post-detail-content td:last-child {
    border-right: none;
}

#post-detail-content tbody tr:last-child td {
    border-bottom: none;
}

#post-detail-content tbody tr:nth-child(even) {
    background-color: rgba(255, 255, 255, 0.02);
}

#post-detail-content[data-md-footnote="enabled"] {
    position: relative;
}

#post-detail-content img:not(.twemoji) {
    display: block;
    max-width: min(100%, 48rem);
    height: auto;
    margin: 0.9rem 0;
    border-radius: 0.9rem;
    cursor: zoom-in;
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.2);
}

#post-detail-content .footnote-ref {
    margin-left: 0.12em;
    vertical-align: super;
    font-size: 0.78em;
    line-height: 1;
}

#post-detail-content .footnote-ref>a {
    color: #b1455d;
    text-decoration: underline dotted rgba(177, 69, 93, 0.72);
    text-underline-offset: 0.16em;
    transition: color 150ms ease, text-decoration-color 150ms ease;
}

#post-detail-content .footnote-ref>a:hover,
#post-detail-content .footnote-ref>a:focus-visible {
    color: #f0c0cf;
    text-decoration-color: rgba(240, 192, 207, 0.9);
}

#post-detail-content .footnotes-sep {
    margin: 1.2rem 0 0.45rem;
    border: 0;
    height: 1px;
    background-color: rgba(177, 69, 93, 0.42);
}

#post-detail-content .footnotes {
    margin-top: 0.2rem;
}

#post-detail-content .footnotes-list {
    margin: 0;
    padding-left: 1.25rem;
    display: grid;
    gap: 0.45rem;
}

#post-detail-content .footnote-item {
    color: #d1d5db;
    font-size: 0.875rem;
    line-height: 1.5;
}

#post-detail-content .footnote-item p {
    margin: 0;
}

#post-detail-content .footnote-backref {
    color: #b1455d;
    margin-left: 0.35rem;
}

#post-detail-content .md-footnote-preview {
    --footnote-preview-lines: 6;
    position: absolute;
    left: 0;
    top: 0;
    z-index: 30;
    min-width: 11rem;
    max-width: min(28rem, calc(100% - 0.75rem));
    padding: 0.55rem 0.7rem;
    border-radius: 0.55rem;
    background-color: rgba(14, 14, 14, 0.96);
    color: #f3f4f6;
    font-size: 0.8rem;
    line-height: 1.4;
    max-height: calc(1.4em * var(--footnote-preview-lines));
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: var(--footnote-preview-lines);
    line-clamp: var(--footnote-preview-lines);
    overflow: hidden;
    text-overflow: ellipsis;
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.45);
    transform: translate(-50%, 0);
    pointer-events: none;
    opacity: 0;
    transition: opacity 120ms ease;
}

#post-detail-content .md-footnote-preview.is-visible {
    opacity: 1;
}

#post-detail-content .md-footnote-preview::before {
    content: '';
    position: absolute;
    top: -6px;
    left: 50%;
    width: 10px;
    height: 10px;
    transform: translateX(-50%) rotate(45deg);
    background-color: rgba(14, 14, 14, 0.96);
}

@media (max-width: 767.98px) {
    #post-detail-content .footnotes {
        padding: 0.75rem 0.85rem;
    }

    #post-detail-content .md-footnote-preview {
        --footnote-preview-lines: 4;
        min-width: 8rem;
        max-width: calc(100% - 0.4rem);
        font-size: 0.75rem;
    }
}

.attachment-list {
    display: grid;
    gap: 0.65rem;
    margin-bottom: 0.75rem;
}

.attachment-chip {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.7rem 0.85rem;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 0.9rem;
    background-color: rgba(31, 31, 31, 0.96);
}

.attachment-chip.is-muted {
    opacity: 0.78;
}

.attachment-chip.is-pending {
    border-style: dashed;
    border-color: rgba(255, 141, 141, 0.28);
    background-color: rgba(34, 26, 26, 0.96);
}

.attachment-chip-preview {
    width: 3rem;
    height: 3rem;
    border-radius: 0.75rem;
    overflow: hidden;
    background-color: rgba(17, 17, 17, 0.95);
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
    color: #f3f4f6;
}

.attachment-chip-preview.is-pending {
    background-color: rgba(255, 64, 64, 0.16);
    color: #ffb3b3;
}

.attachment-chip-preview img,
.attachment-chip-preview video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.attachment-chip-body {
    min-width: 0;
    flex: 1 1 auto;
    display: grid;
    gap: 0.22rem;
}

.attachment-chip-title {
    color: #f3f4f6;
    font-size: 0.92rem;
    font-weight: 700;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.attachment-chip-meta {
    color: #9ca3af;
    font-size: 0.78rem;
}

.attachment-chip-progress {
    width: 100%;
    height: 0.36rem;
    border-radius: 999px;
    overflow: hidden;
    background-color: rgba(255, 255, 255, 0.08);
    margin-top: 0.2rem;
}

.attachment-chip-progress-bar {
    display: block;
    height: 100%;
    border-radius: inherit;
    background-color: #ff4040;
    transition: width 180ms ease;
}

.attachment-chip-actions {
    display: flex;
    align-items: center;
    gap: 0.45rem;
}

.attachment-chip-actions-static {
    min-width: 3.6rem;
    justify-content: flex-end;
}

.attachment-chip-link,
.attachment-chip-remove {
    width: 2rem;
    height: 2rem;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #d1d5db;
    background-color: rgba(255, 255, 255, 0.06);
    transition: background-color 160ms ease, color 160ms ease;
}

.attachment-chip-link:hover,
.attachment-chip-remove:hover {
    color: #ffffff;
    background-color: rgba(255, 255, 255, 0.14);
}

.attachment-chip-remove.is-danger:hover {
    background-color: rgba(239, 68, 68, 0.2);
    color: #fecaca;
}

.attachment-chip-progress-label {
    color: #ffb3b3;
    font-size: 0.78rem;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
}

.chat-attachments {
    display: grid;
    gap: 0.55rem;
    margin-top: 0.65rem;
}

.chat-attachments-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem;
}

.chat-attachment-media {
    appearance: none;
    padding: 0.2rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: fit-content;
    max-width: min(100%, 18rem);
    max-height: 16rem;
    border-radius: 0.9rem;
    overflow: hidden;
    background-color: rgba(17, 17, 17, 0.95);
    border: 1px solid rgba(255, 255, 255, 0.08);
    transition: transform 140ms ease, border-color 140ms ease, box-shadow 140ms ease;
}

.chat-attachment-media.is-image {
    cursor: zoom-in;
}

.chat-attachment-media.is-image:hover {
    border-color: rgba(255, 141, 141, 0.42);
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.28);
    transform: translateY(-1px);
}

.chat-attachment-media img,
.chat-attachment-media video {
    display: block;
    width: auto;
    max-width: 100%;
    height: auto;
    max-height: 15.5rem;
    object-fit: contain;
    background-color: #111111;
}

.chat-attachment-file {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    width: 100%;
    padding: 0.8rem 0.9rem;
    border-radius: 0.9rem;
    background-color: rgba(24, 24, 24, 0.94);
    border: 1px solid rgba(255, 255, 255, 0.08);
    text-align: left;
    color: inherit;
    font: inherit;
    cursor: pointer;
    text-decoration: none;
    appearance: none;
}

.chat-attachment-file-icon {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 0.8rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(255, 64, 64, 0.14);
    color: #ff8d8d;
    flex: 0 0 auto;
}

.chat-attachment-file-body {
    min-width: 0;
    display: grid;
    gap: 0.2rem;
}

.chat-attachment-file-title {
    color: #f3f4f6;
    font-weight: 700;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.chat-attachment-file-meta {
    color: #9ca3af;
    font-size: 0.78rem;
}

.chat-image-modal-panel {
    width: fit-content;
    min-width: min(22rem, calc(100vw - 1.5rem));
    max-width: calc(100vw - 1.5rem);
    height: auto;
    min-height: min(18rem, calc(100vh - 1.5rem));
    max-height: calc(100vh - 1.5rem);
    gap: 0.9rem;
}

.chat-image-modal-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 0.85rem;
}

.chat-image-modal-heading {
    min-width: 0;
    display: grid;
    gap: 0.3rem;
}

.chat-image-modal-title {
    text-align: left;
}

.chat-image-modal-meta {
    margin: 0;
    color: #bdbdbd;
    font-size: 0.88rem;
    line-height: 1.5;
    word-break: break-all;
}

.chat-image-modal-stage {
    flex: 0 1 auto;
    align-self: center;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 16rem;
    min-height: 10rem;
    width: min(100%, var(--chat-image-modal-stage-width, auto));
    height: min(var(--chat-image-modal-stage-height, auto), 100%);
    padding: 0.8rem;
    border-radius: 1rem;
    background-color: rgba(10, 10, 10, 0.96);
    border: 1px solid rgba(255, 255, 255, 0.08);
    overflow: hidden;
}

.chat-image-modal-image {
    display: block;
    width: var(--chat-image-modal-image-width, auto);
    height: var(--chat-image-modal-image-height, auto);
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

@media (min-width: 768px) {
    .chat-attachment-media {
        max-width: min(100%, 50vw);
        max-height: 50vh;
    }

    .chat-attachment-media img,
    .chat-attachment-media video {
        max-height: 48vh;
    }
}