/* ============================================================
   GLOBAL FOUNDATION — LG-Site forall.css
   Unified design token system + shared components
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,600;0,700;1,400&family=Inter:wght@300;400;500;600;700&display=swap');

/* === DARK THEME (default) === */
:root {
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-serif: 'Playfair Display', Georgia, serif;

  /* Backgrounds */
  --bg: #060012;
  --bg-2: #0e0024;

  /* Surfaces (glass cards) */
  --surface: rgba(20, 10, 42, 0.72);
  --surface-2: rgba(32, 18, 60, 0.80);

  /* Borders */
  --border: rgba(80, 180, 255, 0.16);

  /* Text */
  --text: #eef2ff;
  --text-2: #a8b8d8;
  --text-muted: #546080;

  /* Accent — cyan */
  --accent: #00d9f5;
  --accent-hover: #50e8ff;
  --accent-soft: rgba(0, 217, 245, 0.12);

  /* Page-specific accents */
  --pink: #ec4899;
  --pink-soft: rgba(236, 72, 153, 0.16);
  --danger: #f55;
  --danger-soft: rgba(255, 85, 85, 0.14);
  --warning: #f59e0b;
  --success: #10b981;

  /* Shadows */
  --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.35);
  --shadow-md: 0 8px 28px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 20px 56px rgba(0, 0, 0, 0.5);

  /* Misc */
  --blur: 22px;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-pill: 999px;
  --ease: cubic-bezier(0.2, 0.8, 0.2, 1);

  /* Legacy aliases kept for page CSS that use old names */
  --glass-bg: var(--surface);
  --glass-border: var(--border);
  --glass-shadow: var(--shadow-md);
  --card-bg: var(--surface);
  --board-bg: var(--surface-2);
  --bg-base: var(--bg);
  --bg-gradient: linear-gradient(135deg, #060012, #14002e, #001830);
  --text-primary: var(--text);
  --text-secondary: var(--text-2);
  --text-soft: var(--text-2);
  --accent-color: var(--accent);
  --accent-hover-color: var(--accent-hover);
  --muted: var(--text-muted);
  --shadow-soft: var(--shadow-md);
  --blur-amount: var(--blur);
  --transition-smooth: var(--ease);
  --radius-xl: var(--radius-lg);
  --surface-3: var(--surface-2);
  --blur-md: var(--blur);
}

/* === LIGHT THEME === */
:root[data-theme="light"], .light {
  --bg: #f0f4ff;
  --bg-2: #e4ebff;
  --surface: rgba(255, 255, 255, 0.97);
  --surface-2: rgba(238, 243, 255, 0.92);
  --border: rgba(59, 130, 246, 0.16);
  --text: #18243e;
  --text-2: #3c4f72;
  --text-muted: #8898b8;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --accent-soft: rgba(37, 99, 235, 0.1);
  --shadow-sm: 0 2px 10px rgba(37, 99, 235, 0.07);
  --shadow-md: 0 8px 28px rgba(37, 99, 235, 0.1);
  --shadow-lg: 0 20px 56px rgba(37, 99, 235, 0.14);
  --bg-gradient: linear-gradient(150deg, #f8faff, #eef2ff, #dce8ff);
  /* Keep legacy aliases updated for light */
  --glass-bg: var(--surface);
  --glass-border: var(--border);
  --card-bg: var(--surface);
  --bg-base: var(--bg);
  --text-primary: var(--text);
  --text-secondary: var(--text-2);
  --text-soft: var(--text-2);
  --accent-color: var(--accent);
  --muted: var(--text-muted);
  --shadow-soft: var(--shadow-md);
  --surface: rgba(255, 255, 255, 0.97);
}

/* === RESET === */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* === BODY === */
body {
  font-family: var(--font-sans);
  background: var(--bg);
  background-image: var(--bg-gradient);
  background-attachment: fixed;
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.75;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  position: relative;
}

/* === SCROLLBAR === */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: var(--radius-pill);
}
::-webkit-scrollbar-thumb:hover { background: var(--accent-soft); }

/* === TYPOGRAPHY === */
h1, h2, h3, h4, .site-title {
  font-family: var(--font-serif);
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--text);
}

a { color: inherit; text-decoration: none; }

/* === METEOR BACKGROUND === */
body::before {
  content: '';
  position: fixed;
  top: 0; left: 0;
  width: 100vw; height: 100vh;
  background:
    radial-gradient(1px 1px at 18% 28%, rgba(255,255,255,0.6), transparent),
    radial-gradient(1px 1px at 42% 68%, rgba(255,255,255,0.5), transparent),
    radial-gradient(1.5px 1.5px at 62% 18%, rgba(255,255,255,0.5), transparent),
    radial-gradient(1px 1px at 78% 82%, rgba(255,255,255,0.4), transparent),
    radial-gradient(1.5px 1.5px at 90% 45%, rgba(255,255,255,0.3), transparent);
  opacity: 0.25;
  z-index: -2;
  pointer-events: none;
}

:root[data-theme="light"] body::before,
.light body::before {
  background:
    radial-gradient(1px 1px at 18% 28%, rgba(30,50,120,0.12), transparent),
    radial-gradient(1px 1px at 60% 70%, rgba(30,50,120,0.08), transparent);
  opacity: 0.5;
}

.meteor-container {
  position: fixed;
  top: 0; left: 0;
  width: 100vw; height: 100vh;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
}

.meteor {
  position: absolute;
  width: 140px;
  height: 1px;
  background: linear-gradient(90deg, rgba(255,255,255,0.9), rgba(255,255,255,0));
  animation: meteor 6s linear infinite;
  transform: rotate(-45deg);
  opacity: 0;
}

:root[data-theme="light"] .meteor,
.light .meteor {
  background: linear-gradient(90deg, rgba(30, 60, 180, 0.35), rgba(30, 60, 180, 0));
}

.meteor:nth-child(1) { top: -15%; left: 38%; animation-delay: 0s;   animation-duration: 4.5s; }
.meteor:nth-child(2) { top: -8%;  left: 78%; animation-delay: 2.8s; animation-duration: 5.2s; }
.meteor:nth-child(3) { top: 12%;  left: 108%; animation-delay: 1.4s; animation-duration: 3.8s; }
.meteor:nth-child(4) { top: 32%;  left: 18%; animation-delay: 3.5s; animation-duration: 6.2s; }
.meteor:nth-child(5) { top: -25%; left: 58%; animation-delay: 4.8s; animation-duration: 4.8s; }

@keyframes meteor {
  0%   { opacity: 0; transform: translateX(0)    translateY(0)    rotate(-45deg); }
  8%   { opacity: 1; }
  22%  { opacity: 0; transform: translateX(-480px) translateY(480px) rotate(-45deg); }
  100% { opacity: 0; }
}

/* ============================================================
   TITLE BAR & NAVIGATION
   ============================================================ */
.title-bar {
  display: flex;
  align-items: center;
  height: 72px;
  padding: 0 5%;
  background: var(--surface);
  backdrop-filter: blur(var(--blur));
  -webkit-backdrop-filter: blur(var(--blur));
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: background 0.4s var(--ease), box-shadow 0.4s var(--ease);
}

.title-bar img {
  border-radius: 8px;
  opacity: 0.92;
  transition: opacity 0.4s, filter 0.4s;
  width: auto;
  max-height: 56px;
  max-width: 56px;
  object-fit: contain;
}
.title-bar img:hover { opacity: 1; }

.mobile-back-btn {
  display: none;
}

.site-title {
  font-size: 1.55rem;
  color: var(--text);
  cursor: pointer;
  margin-left: 16px;
  white-space: nowrap;
  transition: color 0.3s;
}
.site-title:hover { color: var(--accent); }

/* === NAV BAR (desktop) === */
.nav-bar {
  display: flex;
  list-style: none;
  gap: 24px;
  margin-left: 48px;
}

.nav-bar-item {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-2);
  cursor: pointer;
  transition: color 0.3s var(--ease);
  position: relative;
  padding: 8px 0;
  user-select: none;
}

.nav-bar-item > svg,
.nav-bar-item > .nav-icon {
  display: block;
  width: 16px;
  height: 16px;
  flex: 0 0 16px;
  margin: 0 !important;
  vertical-align: middle !important;
}

.nav-bar-item::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 1.5px;
  background: var(--accent);
  transition: width 0.35s var(--ease);
  border-radius: var(--radius-pill);
}

.nav-bar-item:hover { color: var(--text); }
.nav-bar-item.active { color: var(--text); font-weight: 500; }
.nav-bar-item.active::after,
.nav-bar-item:hover::after { width: 100%; }

/* === USER AREA === */
.user-area {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 10px;
}

.notification-center-link {
  width: 38px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 38px;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 50%;
  background: var(--surface-2);
  color: var(--text-2);
  cursor: pointer;
  list-style: none;
  transition: color 0.2s, border-color 0.2s, background 0.2s, transform 0.2s;
}

.notification-center-link:hover,
.notification-center-link.active {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--accent-soft);
  transform: translateY(-1px);
}

.notification-center-link > span {
  margin: 0 !important;
}

.notification-icon-wrap {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  line-height: 0;
}

.notification-icon-wrap .nav-icon {
  display: block;
  width: 16px;
  height: 16px;
  fill: currentColor;
}

.notification-icon-wrap .nav-badge {
  position: absolute;
  top: -2px;
  right: -2px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--danger, #ff5555);
  box-shadow: 0 0 0 2px var(--surface-2);
}

.notification-center-link > span + * {
  display: none;
}

.user-not-login { display: flex; align-items: center; }
.user-not-login .divider,
.user-not-login .register-link { display: none; }

.login-link {
  background: var(--accent);
  color: #fff !important;
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 7px 20px;
  border-radius: var(--radius-pill);
  transition: background 0.3s var(--ease), transform 0.2s, box-shadow 0.3s;
  text-decoration: none;
  white-space: nowrap;
  box-shadow: 0 2px 12px var(--accent-soft);
}
.login-link:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 20px var(--accent-soft);
}

.user-logged-in { display: flex; align-items: center; gap: 12px; }
.user-name {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-2);
  letter-spacing: 0.03em;
}

.user-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--accent, #228be6);
  color: #ffffff;
  font-weight: bold;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  cursor: pointer;
  overflow: visible !important;
  position: relative !important;
  transition: border-color 0.3s, background 0.3s, transform 0.2s;
}
.user-avatar:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
  transform: scale(1.06);
}

.user-avatar .avatar-red-dot {
  position: absolute;
  top: 0px;
  right: 0px;
  width: 10px;
  height: 10px;
  background: var(--danger, #ff5555);
  border-radius: 50%;
  border: 2px solid var(--surface, #ffffff);
  box-shadow: 0 0 0 1px rgba(255, 85, 85, 0.5);
  pointer-events: none;
  z-index: 10;
}

/* === DROPDOWN === */
.dropdown-menu {
  position: absolute;
  top: 68px;
  right: 5%;
  background: var(--surface);
  backdrop-filter: blur(var(--blur));
  -webkit-backdrop-filter: blur(var(--blur));
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 8px 0;
  min-width: 156px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity 0.3s var(--ease), transform 0.3s var(--ease), visibility 0.3s;
  z-index: 1001;
}
.dropdown-menu.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-menu a {
  display: block;
  padding: 10px 20px;
  color: var(--text-2);
  font-size: 0.83rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  transition: color 0.2s, background 0.2s;
  text-decoration: none;
}
.dropdown-menu a:hover {
  color: var(--text);
  background: var(--accent-soft);
}

/* === THEME TOGGLE === */
.theme-toggle {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-2);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  margin: 0 16px;
  transition: all 0.3s var(--ease);
  font-size: 1rem;
}
.theme-toggle:hover {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--text);
}

.theme-toggle-floating {
  position: fixed;
  bottom: 96px;
  right: 20px;
  z-index: 999;
  box-shadow: var(--shadow-lg);
  background: var(--surface);
  backdrop-filter: blur(var(--blur));
  -webkit-backdrop-filter: blur(var(--blur));
  border: 1px solid var(--border);
}

/* ============================================================
   HOME CONTENT
   ============================================================ */
.home-content {
  max-width: 1400px;
  margin: 56px auto;
  padding: 0 5%;
  display: flex;
  flex-direction: column;
  gap: 56px;
}

.event-board {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 48px;
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(var(--blur));
}

.event-board h2 {
  font-size: 2.1rem;
  margin-bottom: 36px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text);
}

.event-board h2 a {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--text-2);
  text-decoration: none;
  transition: color 0.3s;
}
.event-board h2 a:hover { color: var(--accent); }

.event-scroll {
  display: flex;
  gap: 28px;
  overflow-x: auto;
  padding-bottom: 28px;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}

.event-card {
  min-width: 300px;
  width: 300px;
  background: transparent;
  border-bottom: 1px solid var(--border);
  padding: 0 0 28px;
  transition: transform 0.4s var(--ease);
}
.event-card:hover {
  transform: translateY(-4px);
  border-bottom-color: var(--accent-soft);
}

.event-tag {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--accent);
  display: block;
  margin-bottom: 14px;
}

.event-title {
  font-size: 1.45rem;
  font-family: var(--font-serif);
  margin-bottom: 14px;
  line-height: 1.38;
  color: var(--text);
}

.event-desc {
  font-size: 0.9rem;
  color: var(--text-2);
  line-height: 1.8;
}

.content-two-columns { display: flex; gap: 56px; align-items: flex-start; }
.post-section { flex: 2; }

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 36px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 18px;
}
.section-header h2 { font-size: 2rem; color: var(--text); }

.new-post-btn {
  background: transparent;
  color: var(--text-2);
  border: 1px solid var(--border);
  padding: 10px 28px;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  cursor: pointer;
  transition: all 0.35s var(--ease);
  font-family: var(--font-sans);
}
.new-post-btn:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.post-card {
  background: var(--surface);
  backdrop-filter: blur(var(--blur));
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 36px;
  margin-bottom: 24px;
  transition: all 0.4s var(--ease);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
}
.post-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--accent-soft);
  transform: translateY(-2px);
}

.post-header { display: flex; align-items: center; gap: 18px; margin-bottom: 22px; }

.post-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  background: var(--accent, #228be6);
  color: #ffffff;
  font-weight: bold;
  flex-shrink: 0;
  overflow: hidden;
}

.post-author { font-weight: 500; font-size: 0.97rem; color: var(--text); }
button.post-author, button.post-author-link { background: transparent; border: none; padding: 0; margin: 0; font-family: inherit; font-size: inherit; font-weight: inherit; color: inherit; cursor: pointer; text-align: left; }
button.post-author:hover, button.post-author-link:hover { text-decoration: underline; }
.post-time { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-muted); }
.post-title { font-size: 1.7rem; font-family: var(--font-serif); margin-bottom: 18px; color: var(--text); line-height: 1.32; }
.post-content { color: var(--text-2); font-size: 0.95rem; line-height: 1.85; margin-bottom: 28px; word-break: break-word; }
.post-footer { display: flex; gap: 28px; border-top: 1px solid var(--border); padding-top: 18px; }
.post-action {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  cursor: pointer;
  transition: color 0.3s;
}
.post-action:hover { color: var(--accent); }

/* === CONFESSION SIDEBAR === */
.confession-section { flex: 1; }
.confession-header { margin-bottom: 36px; border-bottom: 1px solid var(--border); padding-bottom: 18px; }
.confession-header h2 { font-size: 2rem; color: var(--text); }

.confession-list {
  display: flex;
  flex-direction: column;
  gap: 22px;
  padding-right: 10px;
}

.confession-card {
  background: transparent;
  border-left: 1.5px solid var(--border);
  padding: 8px 0 8px 22px;
  transition: border-left-color 0.3s var(--ease);
}
.confession-card:hover { border-left-color: var(--accent); }

.confession-text {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  line-height: 1.8;
  font-style: italic;
  color: var(--text);
  margin-bottom: 14px;
  opacity: 0.92;
}

.confession-footer { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-muted); }

.add-confession-btn {
  width: 100%;
  background: transparent;
  color: var(--text-2);
  border: 1px solid var(--border);
  padding: 14px;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  cursor: pointer;
  margin-top: 36px;
  transition: all 0.35s var(--ease);
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
}
.add-confession-btn:hover { background: var(--accent); border-color: var(--accent); color: #fff; }

.view-more-wrapper { text-align: center; margin-top: 36px; }
.view-more-btn {
  background: transparent;
  border: none;
  color: var(--text-2);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  cursor: pointer;
  border-bottom: 1px solid var(--border);
  padding-bottom: 3px;
  transition: color 0.3s, border-color 0.3s;
  font-family: var(--font-sans);
}
.view-more-btn:hover { color: var(--accent); border-bottom-color: var(--accent); }

/* === UI OVERRIDES === */
.posts-toolbar .filter-options { display: flex; gap: 18px; align-items: center; }
.search-input {
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--border);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  padding: 8px 0;
  border-radius: 0;
  outline: none;
  transition: border-color 0.3s;
}
.search-input:focus { border-bottom-color: var(--accent); }
.search-input::placeholder { color: var(--text-muted); }

.time-filter {
  background: transparent;
  border: none;
  color: var(--text-2);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  cursor: pointer;
  font-family: var(--font-sans);
}
.time-filter:focus { outline: none; }
.time-filter option { background: var(--bg); color: var(--text); }

/* === PROFILE === */
.profile-wrapper { max-width: 1200px; padding: 0 5%; gap: 56px; }

.profile-sidebar {
  background: var(--surface);
  backdrop-filter: blur(var(--blur));
  border: 1px solid var(--border);
  box-shadow: var(--shadow-md);
  padding: 40px;
  text-align: left;
  border-radius: var(--radius-lg);
}

.profile-sidebar h3 {
  font-family: var(--font-serif);
  font-size: 1.7rem;
  margin: 20px 0 10px;
  color: var(--text);
}

.avatar-preview {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: var(--accent, #228be6);
  border: 2px solid var(--border);
  font-size: 3rem;
  color: #ffffff;
  font-weight: bold;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.settings-section {
  background: var(--surface);
  backdrop-filter: blur(var(--blur));
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  padding: 40px;
  margin-bottom: 48px;
  border-radius: var(--radius-lg);
}

.settings-section h2 {
  font-family: var(--font-serif);
  font-size: 1.7rem;
  margin-bottom: 28px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 14px;
  color: var(--text);
}

.activity-tabs button {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding-bottom: 10px;
  color: var(--text-2);
  border: none;
  background: transparent;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: all 0.3s;
}
.activity-tabs button:hover,
.activity-tabs button.active { color: var(--accent); border-bottom-color: var(--accent); }

.save-btn {
  background: transparent;
  color: var(--text-2);
  border: 1px solid var(--border);
  padding: 11px 28px;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  cursor: pointer;
  transition: all 0.35s var(--ease);
  font-family: var(--font-sans);
  width: auto;
}
.save-btn:hover { background: var(--accent); border-color: var(--accent); color: #fff; }
.save-btn.danger { border-color: var(--danger); color: var(--danger); }
.save-btn.danger:hover { background: var(--danger); color: #fff; border-color: var(--danger); }

/* === SHARED MODAL === */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 99999;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  padding: 20px 0;
  overflow-y: auto;
}
.modal-container {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 90%;
  max-width: 500px;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  margin: auto;
}
.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
}
.modal-header h3 { font-family: var(--font-serif); font-size: 1.5rem; color: var(--text); margin: 0; }
.modal-close {
  background: none;
  border: none;
  font-size: 1.8rem;
  color: var(--text-muted);
  cursor: pointer;
  line-height: 1;
  padding: 0;
  transition: color 0.2s;
}
.modal-close:hover { color: var(--danger); }
.modal-body {
  padding: 24px;
  overflow-y: auto;
}
.form-group label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-2);
  margin-bottom: 10px;
}
.form-group input,
.form-group textarea {
  background: var(--surface-2);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text);
  font-family: var(--font-sans);
  padding: 12px 16px;
}
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
  outline: none;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-muted); }

/* ============================================================
   MOBILE LAYOUT  (< 900px)
   ============================================================ */
@media screen and (max-width: 900px) {
  /* Title Bar (WeChat style: compact, title left, avatar right) */
  .title-bar {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    width: 100% !important;
    z-index: 1000 !important;
    padding: env(safe-area-inset-top) 16px 0 !important;
    height: calc(52px + env(safe-area-inset-top)) !important;
    backdrop-filter: blur(22px) !important;
    -webkit-backdrop-filter: blur(22px) !important;
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    box-sizing: border-box !important;
  }
  .title-bar > img { display: none !important; }
  .mobile-back-btn {
    display: flex !important;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    cursor: pointer;
    color: var(--text);
    z-index: 1001;
    margin-left: -8px; /* Offset the container padding slightly */
  }
  .site-title { 
    font-size: 1.15rem !important; 
    margin-left: 0 !important; 
    font-weight: 700 !important;
    position: absolute !important;
    left: 50% !important;
    transform: translateX(-50%) !important;
  }
  .user-area { margin-left: auto !important; display: flex !important; align-items: center !important; }
  .notification-center-link,
  .theme-toggle,
  #themeToggle,
  .user-name { display: none !important; }
  .login-link { padding: 5px 13px; font-size: 0.75rem; }

  /* Layout */
  body { padding-bottom: calc(80px + env(safe-area-inset-bottom)); }
  .content-two-columns { flex-direction: column; gap: 36px; }
  .post-section, .confession-section { width: 100%; padding: 0; }
  .home-content { margin: 0 auto !important; padding: calc(100px + env(safe-area-inset-top)) 0 0 0 !important; gap: 0 !important; }
  .event-board { padding: 28px 18px; }
  .event-board h2 { font-size: 1.7rem; flex-direction: column; align-items: flex-start; gap: 8px; }

  /* post-card optimizations for mobile */
  .post-card {
    padding: 20px !important;
  }
  .post-title {
    font-size: 1.4rem !important;
    margin-bottom: 12px !important;
  }

  /* === MOBILE BOTTOM NAVIGATION === */
  .nav-bar {
    position: fixed !important;
    bottom: 0 !important;
    left: 0 !important;
    right: 0 !important;
    top: auto !important;
    height: calc(56px + env(safe-area-inset-bottom)) !important;
    margin: 0 !important;
    padding: 0 0 env(safe-area-inset-bottom) 0 !important;
    display: flex !important;
    flex-direction: row !important;
    justify-content: space-around !important;
    align-items: center !important;
    background: var(--surface) !important;
    backdrop-filter: blur(22px) !important;
    -webkit-backdrop-filter: blur(22px) !important;
    border-top: 1px solid var(--border) !important;
    box-shadow: 0 -4px 24px rgba(0, 0, 0, 0.15) !important;
    z-index: 9999 !important;
    border-radius: 20px 20px 0 0 !important;
    gap: 0 !important;
  }

  .nav-bar .nav-bar-item {
    flex: 1 !important;
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 3px !important;
    color: var(--text-2, #94a3b8) !important;
    font-size: 0.67rem !important;
    font-weight: 500 !important;
    transition: color 0.3s var(--ease), transform 0.3s var(--ease) !important;
    background: transparent !important;
    border-radius: 0 !important;
    padding: 0 !important;
    height: 100% !important;
    cursor: pointer !important;
    letter-spacing: 0.04em !important;
  }

  .nav-bar .nav-bar-item.desktop-only-item {
    display: none !important;
  }

  .dark .nav-bar .nav-bar-item,
  :root[data-theme="dark"] .nav-bar .nav-bar-item {
    color: #94a3b8 !important;
  }

  .nav-bar .nav-bar-item > svg,
  .nav-bar .nav-bar-item > .nav-icon {
    margin: 0 !important;
    fill: currentColor !important;
    width: 20px !important;
    height: 20px !important;
  }

  .nav-bar .nav-bar-item.active {
    color: var(--accent, #228be6) !important;
    transform: translateY(-2px) !important;
    font-weight: 600 !important;
  }

  .nav-bar .nav-bar-item.active > svg,
  .nav-bar .nav-bar-item.active > .nav-icon {
    fill: var(--accent, #228be6) !important;
    color: var(--accent, #228be6) !important;
  }

  .nav-bar .nav-bar-item::after {
    display: none !important;
  }

  /* Mobile Header Tabs Bar (X / Twitter style) */
  .home-tabs-bar {
    display: flex !important;
    align-items: center !important;
    justify-content: space-around !important;
    background: var(--surface) !important;
    border-bottom: 1px solid var(--border) !important;
    position: fixed !important;
    top: calc(52px + env(safe-area-inset-top)) !important;
    left: 0 !important;
    right: 0 !important;
    width: 100% !important;
    z-index: 99 !important;
    backdrop-filter: blur(16px) !important;
    -webkit-backdrop-filter: blur(16px) !important;
  }

  .home-tab-btn {
    flex: 1 !important;
    padding: 12px 0 !important;
    text-align: center !important;
    font-size: 0.92rem !important;
    font-weight: 500 !important;
    color: var(--text-2, #64748b) !important;
    background: transparent !important;
    border: none !important;
    border-bottom: 2.5px solid transparent !important;
    cursor: pointer !important;
    transition: color 0.2s, border-color 0.2s !important;
  }

  .home-tab-btn.active {
    color: var(--accent, #228be6) !important;
    font-weight: 700 !important;
    border-bottom-color: var(--accent, #228be6) !important;
  }

  /* Full-bleed X / Twitter style 100% width edge-to-edge card stream */
  .home-content {
    margin: 0 auto !important;
    padding: 0 !important;
    width: 100% !important;
  }

  .content-two-columns {
    gap: 0 !important;
  }

  .post-section,
  .confession-section,
  .event-board {
    width: 100% !important;
    margin: 0 !important;
    padding: 0 !important;
    border: none !important;
    border-radius: 0 !important;
    background: transparent !important;
    box-shadow: none !important;
  }

  .post-card,
  .confession-card,
  .event-card,
  .event-list-item {
    width: 100% !important;
    margin: 0 !important;
    border-radius: 0 !important;
    box-shadow: none !important;
    border-top: none !important;
    border-left: none !important;
    border-right: none !important;
    border-bottom: 1px solid var(--border) !important;
    padding: 14px 16px !important;
    box-sizing: border-box !important;
    background: var(--surface) !important;
  }

  .post-title {
    font-size: 1.1rem !important;
    margin-bottom: 6px !important;
    line-height: 1.4 !important;
  }

  .section-header,
  .confession-header {
    padding: 12px 16px !important;
    margin: 0 !important;
    border-bottom: 1px solid var(--border) !important;
    background: var(--surface) !important;
  }

  .new-post-btn {
    display: none !important;
  }
}

  /* Floating Action Button (FAB) */
  .fab-btn,
  .fab-new-post-btn {
    position: fixed !important;
    right: 24px !important;
    bottom: calc(85px + env(safe-area-inset-bottom)) !important;
    width: 52px !important;
    height: 52px !important;
    border-radius: 50% !important;
    background: var(--accent, #228be6);
    color: #ffffff !important;
    font-size: 1.8rem !important;
    font-weight: 400 !important;
    border: none !important;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25) !important;
    z-index: 9999 !important;
    cursor: pointer !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    transition: transform 0.2s, box-shadow 0.2s !important;
  }

  /* Profile */
  .profile-wrapper { gap: 28px; }
  .profile-sidebar, .settings-section { padding: 24px; margin-bottom: 28px; }

.home-tabs-bar {
  display: none;
}

/* ============================================================
   LIGHT-MODE SPECIFIC TWEAKS
   ============================================================ */
:root[data-theme="light"] .title-bar,
.light .title-bar {
  background: rgba(255, 255, 255, 0.96) !important;
  box-shadow: 0 1px 16px rgba(37, 99, 235, 0.07);
}


/* === YEAR BADGE === */
.year-badge {
  display: inline-block;
  background: var(--surface-2);
  color: var(--text-muted);
  font-size: 0.72rem;
  padding: 2px 6px;
  border-radius: 4px;
  margin-left: 6px;
  border: 1px solid var(--border);
  vertical-align: middle;
  font-weight: 500;
  line-height: 1;
}

/* 推荐页混合全能流 (帖子 + 表白墙 + 大事记) 专属样式 */
.feed-card-post {
  width: 100% !important;
  box-sizing: border-box !important;
  border-left: 3px solid #3b82f6 !important;
  margin-bottom: 16px !important;
}

.feed-card-confession {
  width: 100% !important;
  box-sizing: border-box !important;
  border-left: 3px solid #ec4899 !important;
  padding: 14px 18px !important;
  margin-bottom: 16px !important;
}

.feed-card-event {
  width: 100% !important;
  min-width: 0 !important;
  box-sizing: border-box !important;
  margin-bottom: 16px !important;
  border-radius: var(--radius-md) !important;
  border-left: 4px solid #f59e0b !important;
  padding: 20px 24px !important;
  background: linear-gradient(135deg, var(--surface), var(--surface-2, rgba(245, 158, 11, 0.05))) !important;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.03) !important;
}

.expand-confession-btn {
  color: #ec4899;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  margin-left: 4px;
}

/* FAB Colors & Plain Text Modal Styles */
.fab-btn-pink {
  background: #ec4899 !important;
  color: white !important;
}

.fab-btn-gold {
  background: #f59e0b !important;
  color: white !important;
}

.publish-btn-pink {
  background: #ec4899;
  color: white;
  border: none;
  padding: 8px 18px;
  border-radius: var(--radius-pill);
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.2s;
}

.publish-btn-pink:hover {
  opacity: 0.9;
}

.publish-btn-gold {
  background: #f59e0b;
  color: white;
  border: none;
  padding: 8px 18px;
  border-radius: var(--radius-pill);
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.2s;
}

.publish-btn-gold:hover {
  opacity: 0.9;
}

.confession-textarea-modal {
  width: 100%;
  padding: 10px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
  font-family: inherit;
  font-size: 0.9rem;
  resize: vertical;
  box-sizing: border-box;
}

/* ============================================================
   一体化极简搜索与筛选工具栏 (通用全站)
   ============================================================ */
.posts-container,
.confession-container,
.events-page {
  margin-top: 0 !important;
  padding-top: 0 !important;
}

.posts-mobile-toolbar,
.confession-mobile-toolbar,
.events-mobile-toolbar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  box-sizing: border-box;
  position: sticky;
  top: 72px;
  z-index: 900;
  width: 100%;
  transition: opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.3s cubic-bezier(0.4, 0, 0.2, 1),
              top 0.3s ease;
}

.search-bar-group {
  flex: 1;
  display: flex;
  align-items: center;
  background: var(--surface-2, #f1f5f9);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  overflow: hidden;
  height: 40px;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.search-bar-group:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(34, 139, 230, 0.15);
}

.connected-search-input {
  flex: 1;
  border: none !important;
  outline: none !important;
  background: transparent !important;
  padding: 0 14px;
  font-size: 0.9rem;
  color: var(--text);
  height: 100%;
  box-sizing: border-box;
}

.connected-search-btn {
  border: none;
  outline: none;
  background: var(--accent);
  color: white;
  padding: 0 16px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.2s;
}

.connected-search-btn:hover {
  background: var(--accent-hover);
}

.filter-dropdown-wrap {
  position: relative;
}

.filter-circle-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--surface-2, #f1f5f9);
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s;
}

.filter-circle-btn:hover,
.filter-circle-btn.active {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
}

.filter-dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  width: 200px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
  padding: 12px;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.filter-menu-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.filter-menu-group label {
  font-size: 0.78rem;
  color: var(--text-2);
  font-weight: 600;
}

.filter-select {
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
  font-size: 0.88rem;
}

/* ============================================================
   全站手机端卡片无间隙贴合样式 (用 1px 下边框区分)
   ============================================================ */
@media (max-width: 900px) {
  .recommend-feed-container,
  .posts-list,
  .confession-list,
  .events-list {
    width: 100% !important;
    margin: 0 !important;
    padding: 0 !important;
    border: none !important;
    border-radius: 0 !important;
    box-shadow: none !important;
    gap: 0 !important;
  }

  .home-content {
    width: 100% !important;
    margin: 0 !important;
    padding: calc(64px + env(safe-area-inset-top)) 0 0 0 !important;
    border: none !important;
    border-radius: 0 !important;
    box-shadow: none !important;
    gap: 0 !important;
  }

  .posts-container,
  .confession-container,
  .events-page {
    width: 100% !important;
    margin: 0 !important;
    padding: calc(116px + env(safe-area-inset-top)) 0 0 0 !important;
    border: none !important;
    border-radius: 0 !important;
    box-shadow: none !important;
  }

  .posts-mobile-toolbar,
  .confession-mobile-toolbar,
  .events-mobile-toolbar {
    position: fixed !important;
    top: calc(52px + env(safe-area-inset-top)) !important;
    left: 0 !important;
    right: 0 !important;
    width: 100% !important;
    margin: 0 !important;
    padding: 10px 16px !important;
    z-index: 900 !important;
  }

  .post-card,
  .confession-card,
  .event-card,
  .event-list-item,
  .feed-card-post,
  .feed-card-confession,
  .feed-card-event {
    width: 100% !important;
    margin: 0 !important;
    margin-bottom: 0 !important;
    border-radius: 0 !important;
    box-shadow: none !important;
    border-top: none !important;
    border-right: none !important;
    border-bottom: 1px solid var(--border) !important;
    padding: 14px 16px !important;
    box-sizing: border-box !important;
    background: var(--surface) !important;
  }

  .feed-card-post {
    border-left: 3px solid #3b82f6 !important;
  }

  .feed-card-confession {
    border-left: 3px solid #ec4899 !important;
  }

  .feed-card-event {
    border-left: 4px solid #f59e0b !important;
    background: linear-gradient(135deg, var(--surface), var(--surface-2, rgba(245, 158, 11, 0.05))) !important;
  }

  .toolbar-hidden {
    opacity: 0 !important;
    pointer-events: none !important;
    transform: translateY(-12px) !important;
  }

  .toolbar-pinned-fixed {
    position: fixed !important;
    top: calc(52px + env(safe-area-inset-top)) !important;
    left: 0 !important;
    right: 0 !important;
    width: 100% !important;
    opacity: 1 !important;
    pointer-events: auto !important;
    transform: translateY(0) !important;
    z-index: 1001 !important;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.12) !important;
  }
}

/* 手机端顶栏头像左侧搜索图标按钮 */
.nav-mobile-search-btn {
  background: transparent;
  border: none;
  color: var(--text);
  padding: 6px;
  margin-right: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border-radius: 50%;
  transition: background 0.2s;
}

.nav-mobile-search-btn:hover {
  background: var(--surface-2);
}

@media screen and (min-width: 901px) {
  .nav-mobile-search-btn {
    display: none !important;
  }
}

.upload-image-btn { background: var(--surface-2); border: 1px solid var(--border); color: var(--text); padding: 6px 12px; font-size: 0.85rem; border-radius: 8px; display: flex; align-items: center; gap: 6px; cursor: pointer; transition: all 0.2s ease; }
.upload-image-btn:hover { background: var(--surface-3); border-color: var(--primary); color: var(--primary); }