/* ================================================================
   FEAIA Community — Shared Design System
   ================================================================
   Tokens, layout primitives, typography, cards, forms, nav
   All community pages @import this file.
   ================================================================ */

/* ── Design Tokens ── */
:root {
  /* Core palette */
  --bg:          #060810;
  --bg2:         #0b0e1a;
  --bg3:         #111528;
  --bg4:         #161c30;

  /* Brand */
  --purple:      #7B6CF6;
  --purple-l:    #9d91f8;
  --purple-d:    #5648c8;
  --cyan:        #4DD9C0;
  --cyan-d:      #2eb89e;
  --pink:        #F4A8C0;
  --gold:        #F5D98B;
  --gold-d:      #c8a830;

  /* Semantic */
  --success:     #4DD9C0;
  --warn:        #F5D98B;
  --danger:      #f57d7d;
  --info:        #7B6CF6;

  /* Text */
  --text:        #e8eaf2;
  --text-dim:    #8b90a8;
  --text-mute:   #4a4f6a;
  --text-inv:    #060810;

  /* Aliases used across community pages */
  --muted:       #6b7090;
  --text-sub:    #8b90a8;

  /* Glass / surface */
  --glass:       rgba(255,255,255,0.035);
  --glass-b:     rgba(255,255,255,0.07);
  --glass-h:     rgba(255,255,255,0.10);
  --border:      rgba(255,255,255,0.07);
  --border-h:    rgba(123,108,246,0.35);

  /* Radii */
  --r-sm:        8px;
  --r:           14px;
  --r-lg:        20px;
  --r-xl:        28px;

  /* Typography */
  --font-display: 'Space Grotesk', 'Inter', system-ui, sans-serif;
  --font-body:    'Inter', system-ui, sans-serif;
  --font-mono:    'JetBrains Mono', monospace;

  /* Motion */
  --ease:        cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in:     cubic-bezier(0.4, 0, 1, 1);
  --t-fast:      150ms;
  --t-mid:       300ms;
  --t-scene:     600ms;

  /* Nav */
  --nav-h:       60px;

  /* Sidebar */
  --sidebar-w:   240px;

  /* Layout */
  --content-max: 1140px;
  --gap:         20px;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; -webkit-font-smoothing: antialiased; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', system-ui, sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
}
a { color: inherit; text-decoration: none; }
button { cursor: pointer; font-family: inherit; border: none; outline: none; background: none; }
img { max-width: 100%; display: block; }
/* SVGs: inline by default — specific containers set width/height explicitly */
svg { overflow: visible; }
input, textarea, select {
  font-family: inherit; color: var(--text);
  background: transparent; border: none; outline: none;
}

/* ── Typography scale ── */
.t-xs   { font-size: .72rem; }
.t-sm   { font-size: .82rem; }
.t-base { font-size: .92rem; }
.t-md   { font-size: 1.05rem; }
.t-lg   { font-size: 1.25rem; }
.t-xl   { font-size: 1.6rem; }
.t-2xl  { font-size: 2rem; }
.t-3xl  { font-size: 2.6rem; }

.fw-4 { font-weight: 400; }
.fw-5 { font-weight: 500; }
.fw-6 { font-weight: 600; }
.fw-7 { font-weight: 700; }
.fw-8 { font-weight: 800; }

.mono { font-family: 'JetBrains Mono', 'Fira Code', monospace; }
.upper { text-transform: uppercase; letter-spacing: .1em; }

/* Color utilities */
.c-purple  { color: var(--purple-l); }
.c-cyan    { color: var(--cyan); }
.c-pink    { color: var(--pink); }
.c-gold    { color: var(--gold); }
.c-dim     { color: var(--text-dim); }
.c-mute    { color: var(--text-mute); }

/* ── Gradient text ── */
.grad {
  background: linear-gradient(135deg, var(--purple) 0%, var(--cyan) 60%, var(--pink) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.grad-gold {
  background: linear-gradient(135deg, var(--gold), var(--pink));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Layout ── */
.container {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

/* Community app layout: nav + sidebar + main + widgets */
/* .c-body is the outer page wrapper (not a grid itself) */
.c-app {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr 220px;
  gap: 0;
  max-width: 1400px;
  margin: 0 auto;
  width: 100%;
  padding-top: var(--nav-h);
  min-height: 100vh;
}

/* Legacy alias — c-body is used as the body tag class */
.c-body {
  /* background/base set on body; no extra layout needed here */
}

/* ── Top Nav ── */
.c-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: 200;
  display: flex;
  align-items: center;
  padding: 0 20px;
  gap: 16px;
  background: rgba(6,8,16,0.88);
  backdrop-filter: blur(24px) saturate(1.4);
  border-bottom: 1px solid var(--border);
}

/* Inner nav row (used in community pages) */
.c-nav-inner {
  display: flex; align-items: center; gap: 16px;
  width: 100%; max-width: 1400px;
  margin: 0 auto;
}

/* Constrain SVG icons inside nav and interactive controls */
.c-nav svg,
.c-nav-inner svg      { width: 18px; height: 18px; flex-shrink: 0; }
.c-nav-search svg     { width: 16px; height: 16px; flex-shrink: 0; }
.btn-primary > svg,
.btn-ghost > svg      { width: 14px; height: 14px; flex-shrink: 0; }
.post-action svg,
.post-footer svg      { width: 16px; height: 16px; flex-shrink: 0; }
.modal-close svg      { width: 14px; height: 14px; }

/* Nav brand / logo */
.c-nav-brand {
  display: flex; align-items: center; gap: 10px;
  font-weight: 700; font-size: 1.05rem;
  white-space: nowrap; flex-shrink: 0; text-decoration: none;
  color: var(--text);
}
.brand-mark {
  width: 30px; height: 30px; border-radius: 8px;
  background: linear-gradient(135deg, var(--purple), var(--cyan));
  display: flex; align-items: center; justify-content: center;
  font-size: .82rem; font-weight: 800; color: #fff; flex-shrink: 0;
}
.brand-name {
  font-weight: 800; letter-spacing: .02em;
}
.brand-sub {
  font-size: .78rem; font-weight: 400; color: var(--muted);
  border-left: 1px solid var(--border); padding-left: 10px; margin-left: 2px;
}

/* Nav right action cluster */
.c-nav-actions {
  display: flex; align-items: center; gap: 8px;
  margin-left: auto; flex-shrink: 0;
}

.c-nav-logo {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-display); font-weight: 700; font-size: 1.1rem;
  letter-spacing: .04em; white-space: nowrap; flex-shrink: 0;
}
.c-nav-logo .mark {
  width: 30px; height: 30px; border-radius: 8px;
  background: linear-gradient(135deg, var(--purple), var(--cyan));
  display: flex; align-items: center; justify-content: center;
  font-size: .8rem; font-weight: 800; color: #fff;
}
.c-nav-search {
  flex: 1; max-width: 400px;
  display: flex; align-items: center; gap: 8px;
  background: var(--glass); border: 1px solid var(--border);
  border-radius: 10px; padding: 7px 14px;
  transition: border-color var(--t-mid);
}
.c-nav-search:focus-within { border-color: var(--purple); }
.c-nav-search input {
  flex: 1; font-size: .88rem; color: var(--text);
}
.c-nav-search input::placeholder { color: var(--text-mute); }
.c-nav-search .search-icon { color: var(--text-mute); font-size: .9rem; flex-shrink: 0; }
.c-nav-right {
  display: flex; align-items: center; gap: 8px;
  margin-left: auto; flex-shrink: 0;
}

/* ── Nav chips (Gallery / 正版认证 / OC_Core) shared across all pages ── */
.nav-chip {
  display: flex; align-items: center; gap: 4px;
  padding: 5px 11px; border-radius: 8px;
  font-size: .75rem; font-weight: 600; white-space: nowrap;
  transition: background .2s, border-color .2s; text-decoration: none;
}
.nav-chip-auth  { color: var(--gold); background: rgba(245,217,139,.07); border: 1px solid rgba(245,217,139,.2); }
.nav-chip-auth:hover  { background: rgba(245,217,139,.14); border-color: rgba(245,217,139,.35); }
.nav-chip-core  { color: var(--cyan); background: rgba(77,217,192,.08); border: 1px solid rgba(77,217,192,.2); }
.nav-chip-core:hover  { background: rgba(77,217,192,.14); border-color: rgba(77,217,192,.35); }
.nav-chip-gallery { color: var(--text-mute); background: var(--glass); border: 1px solid var(--border); cursor: not-allowed; opacity: .6; }

/* Lang switcher */
.lang-sw {
  display: flex; gap: 2px;
  background: var(--glass); border: 1px solid var(--border);
  border-radius: 8px; padding: 3px;
}
.lang-sw button {
  padding: 3px 9px; border-radius: 5px;
  font-size: .75rem; color: var(--text-mute);
  transition: all var(--t-fast);
}
.lang-sw button.active { background: var(--purple); color: #fff; }

/* Nav action buttons */
.btn-nav-ghost {
  padding: 6px 14px; border-radius: 8px;
  font-size: .85rem; color: var(--text-dim);
  background: var(--glass); border: 1px solid var(--border);
  transition: all var(--t-fast);
}
.btn-nav-ghost:hover { color: var(--text); border-color: var(--border-h); }

.btn-nav-solid {
  padding: 7px 18px; border-radius: 9px;
  font-size: .85rem; font-weight: 600; color: #fff;
  background: linear-gradient(135deg, var(--purple), var(--cyan));
  transition: opacity var(--t-fast), transform var(--t-fast);
}
.btn-nav-solid:hover { opacity: .88; transform: translateY(-1px); }

/* Live / new indicator badge */
.badge-live {
  display: inline-flex; align-items: center;
  padding: 2px 7px; border-radius: 4px;
  font-size: .62rem; font-weight: 700; letter-spacing: .08em;
  background: rgba(77,217,192,.15); color: var(--cyan);
  border: 1px solid rgba(77,217,192,.3);
  animation: live-pulse 2.4s ease-in-out infinite;
}
@keyframes live-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: .55; }
}

/* Section link "more" */
.sec-more {
  font-size: .78rem; color: var(--purple-l);
  text-decoration: none; transition: color var(--t-fast);
}
.sec-more:hover { color: var(--cyan); }

/* Notification badge */
.notif-btn {
  position: relative;
  width: 32px; height: 32px; border-radius: 9px;
  display: flex; align-items: center; justify-content: center;
  background: var(--glass); border: 1px solid var(--border);
  font-size: .9rem; color: var(--text-dim);
  transition: all var(--t-fast);
}
.notif-btn:hover { color: var(--text); border-color: var(--border-h); }
.notif-dot {
  position: absolute; top: 4px; right: 4px;
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--pink); border: 2px solid var(--bg);
}

/* Avatar mini */
.avatar-mini {
  width: 30px; height: 30px; border-radius: 50%;
  background: linear-gradient(135deg, var(--purple), var(--pink));
  display: flex; align-items: center; justify-content: center;
  font-size: .78rem; font-weight: 700; color: #fff;
  flex-shrink: 0; cursor: pointer;
}

/* ── Left Sidebar ── */
.c-sidebar {
  position: sticky;
  top: var(--nav-h);
  height: calc(100vh - var(--nav-h));
  overflow-y: auto;
  padding: 20px 0 40px;
  border-right: 1px solid var(--border);
  background: var(--bg);
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}
.c-sidebar::-webkit-scrollbar { width: 3px; }
.c-sidebar::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

/* Sidebar user info block */
.sidebar-user {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 14px;
  margin-top: auto;
  border-top: 1px solid var(--border);
  position: sticky; bottom: 0;
  background: var(--bg);
}
.user-info { flex: 1; min-width: 0; }
.user-tier {
  display: flex; align-items: center; gap: 6px; margin-top: 2px;
}
.user-pts { font-size: .72rem; color: var(--muted); }
.tier-badge {
  display: inline-flex; align-items: center;
  padding: 1px 6px; border-radius: 4px;
  font-size: .64rem; font-weight: 700; letter-spacing: .05em;
}
.tier-free { background: rgba(255,255,255,.07); color: var(--text-dim); border: 1px solid var(--border); }
.tier-pro  { background: rgba(123,108,246,.2);  color: var(--purple-l); border: 1px solid rgba(123,108,246,.35); }
.tier-plus { background: rgba(245,217,139,.15); color: var(--gold);     border: 1px solid rgba(245,217,139,.3); }

.sidebar-section { margin-bottom: 24px; padding: 0 14px; }

/* Direct children of .c-sidebar or .sidebar-nav get default padding */
.sidebar-nav { padding: 0 10px; display: flex; flex-direction: column; }

.sidebar-section-label {
  font-size: .68rem; font-weight: 600;
  letter-spacing: .13em; text-transform: uppercase;
  color: var(--text-mute); margin-bottom: 4px; margin-top: 8px;
  padding: 0 8px;
}
.sidebar-link {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 10px; border-radius: var(--r-sm);
  font-size: .86rem; color: var(--text-dim);
  margin-bottom: 2px;
  transition: color var(--t-fast), background var(--t-fast);
  cursor: pointer;
}
.sidebar-link:hover { color: var(--text); background: var(--glass-b); }
.sidebar-link.active {
  color: var(--purple-l);
  background: rgba(123,108,246,0.12);
  font-weight: 500;
}
/* SVGs directly inside sidebar-link (no wrapper span) */
.sidebar-link > svg {
  width: 18px; height: 18px;
  flex-shrink: 0; display: block;
}

.sidebar-link .s-icon {
  width: 20px; height: 20px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; font-size: .88rem;
}
.sidebar-link .s-icon svg { width: 16px; height: 16px; }
.sidebar-link .s-badge {
  margin-left: auto;
  padding: 1px 7px; border-radius: 100px;
  font-size: .65rem; font-weight: 600;
  background: rgba(77,217,192,0.12); color: var(--cyan);
}
.sidebar-link .s-dot {
  margin-left: auto;
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--pink);
}

/* ── Right Sidebar (widgets) ── */
.c-widgets {
  position: sticky;
  top: var(--nav-h);
  height: calc(100vh - var(--nav-h));
  overflow-y: auto;
  padding: 20px 14px 40px;
  border-left: 1px solid var(--border);
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}
.c-widgets::-webkit-scrollbar { width: 3px; }

.widget {
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 16px;
  margin-bottom: 14px;
}
/* Widget header row (title + optional action) */
.widget-header {
  display: flex; align-items: center; justify-content: space-between;
  gap: 8px; margin-bottom: 12px;
}
.widget-title {
  font-size: .78rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: .09em;
  color: var(--text-mute);
}

/* ── Main Content Area ── */
.c-main {
  min-width: 0;
  padding: 24px 24px 80px;
}

/* ── Page Header ── */
.page-header {
  margin-bottom: 24px;
  display: flex; align-items: center;
  justify-content: space-between; gap: 16px;
  flex-wrap: wrap;
}
.page-header-left h1 {
  font-size: 1.5rem; font-weight: 700; margin-bottom: 4px;
}
.page-header-left p { font-size: .85rem; color: var(--text-dim); }
.page-section-label {
  font-size: .7rem; font-weight: 600;
  letter-spacing: .13em; text-transform: uppercase;
  color: var(--cyan); margin-bottom: 6px;
}

/* ── Filter / Tab Bars ── */
.filter-bar {
  display: flex; gap: 8px; align-items: center;
  flex-wrap: wrap; margin-bottom: 20px;
}
.tab-bar {
  display: flex; gap: 2px; padding: 3px;
  background: var(--glass); border: 1px solid var(--border);
  border-radius: 10px; width: fit-content;
}
.tab-btn {
  padding: 6px 16px; border-radius: 7px;
  font-size: .84rem; color: var(--text-dim);
  background: transparent; white-space: nowrap;
  transition: all var(--t-fast);
}
.tab-btn.active { background: var(--purple); color: #fff; }
.tab-btn:hover:not(.active) { color: var(--text); }

.filter-chip {
  padding: 5px 14px; border-radius: 100px;
  font-size: .8rem; color: var(--text-dim);
  background: var(--glass); border: 1px solid var(--border);
  transition: all var(--t-fast); white-space: nowrap;
}
.filter-chip.active,
.filter-chip:hover {
  color: var(--cyan); border-color: rgba(77,217,192,0.4);
  background: rgba(77,217,192,0.06);
}

/* ── Cards ── */
.card {
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  transition: border-color var(--t-mid), transform var(--t-mid) var(--ease),
              box-shadow var(--t-mid);
}
.card:hover {
  border-color: rgba(123,108,246,0.28);
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(0,0,0,0.35);
}

/* Post card */
.post-card {
  padding: 20px;
  margin-bottom: 12px;
  cursor: pointer;
}
.post-card-header {
  display: flex; align-items: flex-start;
  justify-content: space-between; gap: 12px; margin-bottom: 12px;
}
.post-author-row {
  display: flex; align-items: center; gap: 10px;
}
.user-av {
  width: 34px; height: 34px; border-radius: 50%; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: .82rem; font-weight: 700; color: #fff;
}
.user-av.av-purple { background: linear-gradient(135deg,var(--purple),var(--purple-l)); }
.user-av.av-cyan   { background: linear-gradient(135deg,var(--cyan-d),var(--cyan)); }
.user-av.av-pink   { background: linear-gradient(135deg,#c04070,var(--pink)); }
.user-av.av-gold   { background: linear-gradient(135deg,var(--gold-d),var(--gold)); }
.user-av.av-dark   { background: linear-gradient(135deg,#2a1060,#4030a0); }

.user-name { font-size: .88rem; font-weight: 600; }
.user-meta { font-size: .75rem; color: var(--text-mute); margin-top: 1px; }

.post-type-tag {
  padding: 3px 10px; border-radius: 100px;
  font-size: .7rem; font-weight: 600;
  white-space: nowrap; flex-shrink: 0;
}
.pt-skin    { background: rgba(123,108,246,.15); color: var(--purple-l); border: 1px solid rgba(123,108,246,.25); }
.pt-prompt  { background: rgba(77,217,192,.1);  color: var(--cyan);     border: 1px solid rgba(77,217,192,.25); }
.pt-script  { background: rgba(245,217,139,.1); color: var(--gold);     border: 1px solid rgba(245,217,139,.25); }
.pt-video   { background: rgba(244,168,192,.12);color: var(--pink);     border: 1px solid rgba(244,168,192,.25); }
.pt-discuss { background: var(--glass-b);       color: var(--text-dim); border: 1px solid var(--border); }
.pt-news    { background: rgba(77,217,192,.08); color: var(--cyan);     border: 1px solid rgba(77,217,192,.2); }

.post-title {
  font-size: .96rem; font-weight: 600; margin-bottom: 6px;
  line-height: 1.4; color: var(--text);
}
.post-excerpt {
  font-size: .84rem; color: var(--text-dim); line-height: 1.6;
  margin-bottom: 12px;
  display: -webkit-box; -webkit-line-clamp: 2;
  -webkit-box-orient: vertical; overflow: hidden;
}

/* Image / media block placeholder */
.post-media {
  border-radius: var(--r);
  overflow: hidden; margin-bottom: 12px;
  border: 1px solid var(--border);
}
.media-block {
  width: 100%; aspect-ratio: 16/8;
  display: flex; align-items: center; justify-content: center;
  font-size: .82rem; color: var(--text-mute);
}

/* Post footer */
.post-footer {
  display: flex; align-items: center; gap: 16px;
}
.post-action {
  display: flex; align-items: center; gap: 5px;
  font-size: .8rem; color: var(--text-mute);
  padding: 5px 10px; border-radius: 7px;
  transition: all var(--t-fast); cursor: pointer;
}
.post-action:hover { color: var(--text); background: var(--glass-b); }
.post-action.liked { color: var(--pink); }
.post-action.bookmarked { color: var(--gold); }
.post-tag-row { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 10px; }
.post-tag {
  padding: 2px 9px; border-radius: 100px;
  font-size: .7rem; color: var(--text-mute);
  background: var(--glass-b); border: 1px solid var(--border);
}

/* ── Rank items (Hot list) ── */
.rank-item {
  display: flex; align-items: center; gap: 14px;
  padding: 14px 16px; border-radius: var(--r);
  background: var(--glass); border: 1px solid var(--border);
  margin-bottom: 8px; cursor: pointer;
  transition: all var(--t-mid) var(--ease);
}
.rank-item:hover {
  background: var(--glass-b); border-color: rgba(123,108,246,.25);
  transform: translateX(4px);
}
.rank-num {
  width: 32px; height: 32px; border-radius: 9px;
  display: flex; align-items: center; justify-content: center;
  font-size: .85rem; font-weight: 800; flex-shrink: 0;
}
.rn-1 { background: linear-gradient(135deg,#f5d98b,#f4a030); color: #1a0f00; }
.rn-2 { background: linear-gradient(135deg,#b8c4d0,#7890a0); color: #06080f; }
.rn-3 { background: linear-gradient(135deg,#c4956a,#7a4830); color: #fff; }
.rn-n { background: var(--glass-b); color: var(--text-mute); }

.rank-thumb {
  width: 44px; height: 44px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem; flex-shrink: 0;
}
.rank-info { flex: 1; min-width: 0; }
.rank-info h4 {
  font-size: .9rem; font-weight: 600;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.rank-info p { font-size: .75rem; color: var(--text-mute); margin-top: 2px; }
.rank-meta { text-align: right; flex-shrink: 0; }
.rank-heat { font-size: .82rem; font-weight: 600; color: var(--pink); }
.rank-trend-up   { font-size: .7rem; color: var(--cyan); }
.rank-trend-down { font-size: .7rem; color: var(--danger); }
.rank-trend-new  { font-size: .7rem; color: var(--gold); }

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 6px; border-radius: var(--r-sm);
  font-weight: 600; cursor: pointer;
  transition: all var(--t-mid) var(--ease);
}
.btn-sm  { padding: 6px 14px; font-size: .82rem; }
.btn-md  { padding: 9px 20px; font-size: .88rem; }
.btn-lg  { padding: 12px 28px; font-size: .96rem; }

.btn-primary {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 7px 16px; border-radius: var(--r-sm);
  font-size: .85rem; font-weight: 600;
  background: linear-gradient(135deg,var(--purple),var(--cyan));
  color: #fff; border: none;
  box-shadow: 0 0 20px rgba(123,108,246,0.3);
  transition: box-shadow var(--t-mid), transform var(--t-mid) var(--ease);
  cursor: pointer;
}
.btn-primary:hover {
  box-shadow: 0 0 32px rgba(123,108,246,0.5);
  transform: translateY(-1px);
}
.btn-ghost {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 6px 14px; border-radius: var(--r-sm);
  font-size: .85rem; font-weight: 500;
  background: var(--glass); border: 1px solid var(--border); color: var(--text-dim);
  transition: border-color var(--t-fast), color var(--t-fast);
  cursor: pointer;
}
.btn-ghost:hover { border-color: var(--border-h); color: var(--text); }
.btn-danger { background: rgba(245,125,125,.12); border: 1px solid rgba(245,125,125,.3); color: var(--danger); }
.btn-cyan   { background: rgba(77,217,192,.12);  border: 1px solid rgba(77,217,192,.3);  color: var(--cyan); }
.btn-gold   { background: rgba(245,217,139,.1);  border: 1px solid rgba(245,217,139,.3); color: var(--gold); }

/* ── Select / sort controls ── */
.sort-select {
  appearance: none; -webkit-appearance: none;
  background: var(--glass) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%236b7090' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E") no-repeat right 10px center;
  border: 1px solid var(--border);
  border-radius: var(--r-sm); padding: 7px 32px 7px 12px;
  color: var(--text); font-size: .82rem; cursor: pointer;
  transition: border-color var(--t-fast);
}
.sort-select:focus { border-color: var(--purple); outline: none; }
.sort-select option { background: var(--bg2); color: var(--text); }

/* ── Form inputs ── */
.field {
  display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px;
}
.field label {
  font-size: .8rem; font-weight: 600; color: var(--text-dim);
}
.input-wrap {
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  padding: 9px 14px;
  display: flex; align-items: center; gap: 8px;
  transition: border-color var(--t-fast);
}
.input-wrap:focus-within { border-color: var(--purple); }
.input-wrap input,
.input-wrap textarea {
  flex: 1; font-size: .88rem; resize: none;
}
.input-wrap input::placeholder,
.input-wrap textarea::placeholder { color: var(--text-mute); }
.field-hint { font-size: .74rem; color: var(--text-mute); }

/* ── Tags/badges ── */
.badge {
  display: inline-flex; align-items: center;
  padding: 3px 10px; border-radius: 100px;
  font-size: .72rem; font-weight: 600;
}
.badge-purple { background: rgba(123,108,246,.15); color: var(--purple-l); border: 1px solid rgba(123,108,246,.25); }
.badge-cyan   { background: rgba(77,217,192,.12);  color: var(--cyan);     border: 1px solid rgba(77,217,192,.25); }
.badge-pink   { background: rgba(244,168,192,.12); color: var(--pink);     border: 1px solid rgba(244,168,192,.25); }
.badge-gold   { background: rgba(245,217,139,.1);  color: var(--gold);     border: 1px solid rgba(245,217,139,.25); }
.badge-mute   { background: var(--glass-b);        color: var(--text-mute);border: 1px solid var(--border); }

/* ── Progress bar ── */
.progress { height: 4px; border-radius: 2px; background: var(--glass-b); overflow: hidden; }
.progress-bar {
  height: 100%; border-radius: 2px;
  background: linear-gradient(90deg, var(--purple), var(--cyan));
  transition: width .4s var(--ease);
}

/* ── Divider ── */
.divider { border: none; border-top: 1px solid var(--border); margin: 16px 0; }

/* ── Skeleton loader ── */
.skeleton {
  background: linear-gradient(90deg,
    var(--glass) 25%,
    var(--glass-b) 50%,
    var(--glass) 75%
  );
  background-size: 200% 100%;
  animation: sk-shimmer 1.4s infinite;
  border-radius: var(--r-sm);
}
@keyframes sk-shimmer { from{background-position:200% 0} to{background-position:-200% 0} }

/* ── Scroll reveal ── */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .65s var(--ease), transform .65s var(--ease);
}
.reveal.visible { opacity: 1; transform: none; }

/* ── Toast ── */
.toast-container {
  position: fixed; bottom: 24px; right: 24px;
  z-index: 1000; display: flex; flex-direction: column; gap: 8px;
}
.toast {
  padding: 12px 18px; border-radius: var(--r);
  background: var(--bg3); border: 1px solid var(--border);
  font-size: .85rem; color: var(--text);
  box-shadow: 0 8px 24px rgba(0,0,0,0.5);
  animation: toast-in .3s var(--ease);
  display: flex; align-items: center; gap: 10px;
}
@keyframes toast-in { from{opacity:0;transform:translateX(20px)} to{opacity:1;transform:none} }
.toast.success { border-color: rgba(77,217,192,.4); }
.toast.warn    { border-color: rgba(245,217,139,.4); }
.toast.error   { border-color: rgba(245,125,125,.4); }

/* ── Modal ── */
.modal-overlay {
  position: fixed; inset: 0; z-index: 500;
  background: rgba(0,0,0,.75); backdrop-filter: blur(10px);
  display: flex; align-items: center; justify-content: center;
  padding: 24px; opacity: 0; pointer-events: none;
  transition: opacity var(--t-mid);
}
.modal-overlay.open { opacity: 1; pointer-events: all; }
.modal {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--r-xl); max-width: 580px; width: 100%;
  max-height: 90vh; overflow-y: auto;
  padding: 28px 28px 24px;
  position: relative;
  transform: scale(.96); transition: transform var(--t-mid) var(--ease);
}
.modal-overlay.open .modal { transform: scale(1); }
/* When .modal-head is present it provides its own padding */
.modal:has(.modal-head) { padding: 0; }
.modal-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 24px; border-bottom: 1px solid var(--border);
}
.modal-head h3 { font-size: 1.05rem; font-weight: 700; }
.modal-close {
  position: absolute; top: 16px; right: 16px;
  width: 28px; height: 28px; border-radius: 7px;
  background: var(--glass-b); border: 1px solid var(--border);
  color: var(--text-dim);
  display: flex; align-items: center; justify-content: center;
  transition: all var(--t-fast); cursor: pointer; z-index: 1;
}
.modal-close:hover { color: var(--text); border-color: var(--border-h); }
/* When inside modal-head, reset absolute positioning */
.modal-head .modal-close { position: static; }
.modal-body { padding: 24px; }
.modal-foot {
  padding: 16px 24px; border-top: 1px solid var(--border);
  display: flex; justify-content: flex-end; gap: 10px;
}

/* ── i18n visibility ── */
/* All data-lang elements hidden by default; JS adds .lang-active */
[data-lang]               { display: none !important; }
[data-lang].lang-active   { display: revert !important; }

/* Inline elements restore inline display */
span[data-lang].lang-active,
a[data-lang].lang-active  { display: inline !important; }

/* Block elements restore block display */
div[data-lang].lang-active,
p[data-lang].lang-active,
li[data-lang].lang-active { display: block !important; }

/* Default show zh content before JS runs (no-JS fallback) */
@media (scripting: none) {
  [data-lang="zh"] { display: revert !important; }
}

/* ── Responsive breakpoints ── */
@media (max-width: 1200px) {
  .c-app { grid-template-columns: var(--sidebar-w) 1fr; }
  .c-widgets { display: none; }
}
@media (max-width: 860px) {
  .c-app { grid-template-columns: 1fr; }
  .c-sidebar { display: none; }
  .c-main { padding: 16px 14px 60px; }
}
@media (max-width: 600px) {
  :root { --content-max: 100%; }
  .c-nav-search { display: none; }
  .c-nav-inner { gap: 8px; }
  .brand-sub { display: none; }
}