/* RushConnect Design System v4.0 — Apple Liquid Glass */
/* Inspired by Apple's Liquid Glass material system (WWDC 2025) */

:root {
  /* ── Brand ── */
  --color-primary: #3769F1;
  --color-primary-hover: #2B57D4;
  --color-primary-pressed: #12192C;
  --color-primary-light: rgba(55, 105, 241, 0.08);
  --color-primary-300: #CAD8FF;
  --color-primary-400: #7B9FFF;
  --color-neutral-dark: #12192C;
  --color-white: #FFFFFF;

  /* ── Palette ── */
  --color-blue-900: #04257E;
  --color-blue-800: #0E40C7;
  --color-blue-600: #3769F1;
  --color-blue-400: #7B9FFF;
  --color-blue-300: #CAD8FF;
  --color-blue-100: #EEF3FF;
  --color-teal-900: #306F7D;
  --color-teal-700: #479EA8;
  --color-teal-500: #59C3C4;
  --color-teal-400: #83DEE0;
  --color-teal-300: #B0F3F4;
  --color-teal-100: #E7FEFA;
  --color-green-900: #337653;
  --color-green-700: #4EA45A;
  --color-green-500: #6DC872;
  --color-green-400: #9CE67E;
  --color-green-300: #C9FA9B;
  --color-green-100: #F3FFD2;
  --color-purple-900: #2D288C;
  --color-purple-700: #4530BF;
  --color-purple-500: #6060E9;
  --color-purple-400: #848DF0;
  --color-purple-300: #B28DF7;
  --color-purple-100: #ECFFFE;
  --color-pink-900: #6F1C5B;
  --color-pink-700: #A73775;
  --color-pink-500: #E86190;
  --color-pink-400: #EE869F;
  --color-pink-300: #F09EA9;
  --color-pink-100: #F9DFDE;
  --color-red-500: #E05048;
  --color-red-100: #FCF1F2;
  --color-orange-500: #E97B37;
  --color-orange-100: #FDF5EC;
  --color-neutral-900: #1B2233;
  --color-neutral-800: #39404F;
  --color-neutral-600: #58566C;
  --color-neutral-500: #757CB6;
  --color-neutral-400: #92B8B0;
  --color-neutral-300: #D4D8DA;
  --color-neutral-200: #DFE1E4;
  --color-neutral-100: #ECEDEF;

  /* ── Semantic ── */
  --color-success: #6DC872;
  --color-success-bg: #F3FFD2;
  --color-error: #E05048;
  --color-error-bg: #FCF1F2;
  --color-warning: #E97B37;
  --color-warning-bg: #FDF5EC;
  --color-info: #3769F1;
  --color-info-bg: #EEF3FF;

  /* ── Liquid Glass Surfaces ── */
  /* The core of Apple's Liquid Glass: layered translucent surfaces
     at different elevations with increasing blur and lightness */
  --glass-bg: rgba(255, 255, 255, 0.42);
  --glass-bg-elevated: rgba(255, 255, 255, 0.58);
  --glass-bg-floating: rgba(255, 255, 255, 0.72);
  --glass-bg-subtle: rgba(255, 255, 255, 0.25);
  --glass-bg-deep: rgba(255, 255, 255, 0.18);

  --glass-blur: 20px;
  --glass-blur-heavy: 40px;
  --glass-blur-light: 12px;

  --glass-border: rgba(255, 255, 255, 0.5);
  --glass-border-subtle: rgba(255, 255, 255, 0.3);
  --glass-border-strong: rgba(255, 255, 255, 0.65);

  /* Edge light — the signature 1px top highlight that simulates
     light catching the top edge of a glass surface */
  --glass-edge-light: inset 0 1px 0 rgba(255, 255, 255, 0.6);

  /* Glass shadows — softer and more diffused than standard shadows */
  --glass-shadow-sm: 0 2px 8px rgba(18, 25, 44, 0.04), 0 1px 2px rgba(18, 25, 44, 0.02);
  --glass-shadow-md: 0 4px 16px rgba(18, 25, 44, 0.06), 0 2px 4px rgba(18, 25, 44, 0.03);
  --glass-shadow-lg: 0 8px 32px rgba(18, 25, 44, 0.08), 0 4px 8px rgba(18, 25, 44, 0.04);
  --glass-shadow-float: 0 12px 48px rgba(18, 25, 44, 0.12), 0 4px 12px rgba(18, 25, 44, 0.06);

  /* Surface (non-glass fallbacks) */
  --color-bg: #F5F3EE;
  --color-card: #FFFFFF;
  --color-overlay: rgba(18, 25, 44, 0.45);

  /* ── Spacing (4px base) ── */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-14: 56px;
  --space-16: 64px;

  /* ── Border Radius — Apple Squircle ── */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;

  /* ── Elevation ── */
  --shadow-0: none;
  --shadow-1: 0px 2px 8px rgba(18, 25, 44, 0.06);
  --shadow-2: 0px 4px 16px rgba(18, 25, 44, 0.1);
  --shadow-3: 0px 8px 24px rgba(18, 25, 44, 0.14);

  /* ── Typography — Apple SF Pro System Font Stack ── */
  --font-heading: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Helvetica Neue', sans-serif;
  --font-body: -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'Helvetica Neue', sans-serif;
  --font-mono: 'SF Mono', ui-monospace, 'Cascadia Code', 'Menlo', monospace;

  /* Apple Dynamic Type Scale */
  --text-large-title: 34px;
  --text-title-1: 28px;
  --text-title-2: 22px;
  --text-title-3: 20px;
  --text-headline: 17px;
  --text-body: 17px;
  --text-callout: 16px;
  --text-subhead: 15px;
  --text-footnote: 13px;
  --text-caption-1: 12px;
  --text-caption-2: 11px;

  --leading-large-title: 41px;
  --leading-title-1: 34px;
  --leading-title-2: 28px;
  --leading-title-3: 25px;
  --leading-headline: 22px;
  --leading-body: 22px;
  --leading-callout: 21px;
  --leading-subhead: 20px;
  --leading-footnote: 18px;
  --leading-caption-1: 16px;
  --leading-caption-2: 13px;

  --tracking-large-title: 0.40px;
  --tracking-title-1: 0.38px;
  --tracking-title-2: 0.35px;
  --tracking-title-3: 0.37px;
  --tracking-headline: -0.43px;
  --tracking-body: -0.43px;
  --tracking-callout: -0.31px;
  --tracking-subhead: -0.23px;
  --tracking-footnote: -0.08px;
  --tracking-caption-1: 0px;
  --tracking-caption-2: 0.06px;

  /* ── Motion — Apple Spring Curves ── */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-gentle: cubic-bezier(0.25, 0.1, 0.25, 1);
  --duration-fast: 150ms;
  --duration-normal: 200ms;
  --duration-slow: 300ms;
  --duration-glass: 400ms;

  /* ── Legacy Aliases ── */
  --text: var(--color-neutral-dark);
  --text-secondary: var(--color-neutral-600);
  --text-muted: var(--color-neutral-400);
  --surface: var(--color-card);
  --surface-alt: var(--color-bg);
  --border: var(--color-neutral-300);
  --border-light: var(--color-neutral-100);
  --bg: var(--color-bg);
  --danger: var(--color-error);
  --success: var(--color-success);
  --warning: var(--color-warning);
}

/* ── Reset ── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
body {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: var(--text-body);
  line-height: var(--leading-body);
  letter-spacing: var(--tracking-body);
  color: var(--color-neutral-dark);
  background: var(--color-bg);
  min-height: 100dvh;
  min-height: -webkit-fill-available;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; }
button, input, select, textarea { font-family: inherit; }

/* ── Typography — Apple Dynamic Type ── */
h1, h2, h3, h4, h5 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-neutral-dark);
}
h1 { font-size: var(--text-large-title); line-height: var(--leading-large-title); letter-spacing: var(--tracking-large-title); font-weight: 400; }
h2 { font-size: var(--text-title-1); line-height: var(--leading-title-1); letter-spacing: var(--tracking-title-1); }
h3 { font-size: var(--text-title-2); line-height: var(--leading-title-2); letter-spacing: var(--tracking-title-2); }
h4 { font-size: var(--text-title-3); line-height: var(--leading-title-3); letter-spacing: var(--tracking-title-3); font-weight: 600; }
.body1 { font-weight: 400; font-size: var(--text-body); line-height: var(--leading-body); letter-spacing: var(--tracking-body); }
.body2 { font-weight: 400; font-size: var(--text-callout); line-height: var(--leading-callout); letter-spacing: var(--tracking-callout); }
.body3 { font-weight: 400; font-size: var(--text-subhead); line-height: var(--leading-subhead); letter-spacing: var(--tracking-subhead); }
.body4 { font-weight: 400; font-size: var(--text-footnote); line-height: var(--leading-footnote); letter-spacing: var(--tracking-footnote); }
.body5 { font-weight: 400; font-size: var(--text-caption-1); line-height: var(--leading-caption-1); letter-spacing: var(--tracking-caption-1); }
.text-sm { font-size: var(--text-footnote); }
.text-xs { font-size: var(--text-caption-2); }

/* ============================================
   Ambient Background
   Apple's Liquid Glass uses rich ambient color
   that bleeds through translucent surfaces
   ============================================ */
.glass-bg {
  position: absolute; inset: 0; z-index: 0;
  background:
    radial-gradient(ellipse at 25% 15%, rgba(55, 105, 241, 0.14) 0%, transparent 50%),
    radial-gradient(ellipse at 75% 80%, rgba(236, 72, 153, 0.1) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 50%, rgba(139, 92, 246, 0.06) 0%, transparent 60%),
    linear-gradient(170deg, #f0f4ff 0%, #faf8ff 50%, #fff 100%);
}

/* Animated ambient orbs for splash / hero screens */
.glass-orbs { position: absolute; inset: 0; z-index: 0; overflow: hidden; }
.glass-orb {
  position: absolute; border-radius: 50%; filter: blur(80px);
  animation: orbFloat 8s ease-in-out infinite alternate;
}
.glass-orb:nth-child(1) { width: 260px; height: 260px; background: rgba(55, 105, 241, 0.25); top: -40px; left: -60px; }
.glass-orb:nth-child(2) { width: 200px; height: 200px; background: rgba(236, 72, 153, 0.2); bottom: 10%; right: -40px; animation-delay: -3s; }
.glass-orb:nth-child(3) { width: 180px; height: 180px; background: rgba(139, 92, 246, 0.2); top: 50%; left: 30%; animation-delay: -5s; }
@keyframes orbFloat {
  from { transform: translate(0, 0) scale(1); }
  to { transform: translate(30px, -20px) scale(1.1); }
}

/* ============================================
   App Layout
   ============================================ */
.app-screen {
  display: flex; flex-direction: column;
  min-height: 100dvh; min-height: -webkit-fill-available;
  background: var(--color-bg);
  position: relative; overflow: hidden;
}

.app-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 20px; min-height: 56px;
  background: var(--glass-bg-elevated);
  backdrop-filter: blur(var(--glass-blur-heavy)) saturate(1.8);
  -webkit-backdrop-filter: blur(var(--glass-blur-heavy)) saturate(1.8);
  border-bottom: 1px solid var(--glass-border);
  box-shadow: var(--glass-edge-light), var(--glass-shadow-sm);
  position: sticky; top: 0; z-index: 10;
}
.app-header h1 { font-size: var(--text-headline); font-weight: 600; letter-spacing: var(--tracking-headline); }

.app-header .back-btn,
.msg-header .back-btn {
  width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
  border: none;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur)) saturate(1.4);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(1.4);
  color: var(--color-neutral-dark);
  cursor: pointer;
  border-radius: var(--radius-md);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-edge-light), var(--glass-shadow-sm);
  margin-left: -4px;
  transition: all var(--duration-fast) var(--ease-out);
}
.app-header .back-btn:hover,
.msg-header .back-btn:hover { background: var(--glass-bg-elevated); box-shadow: var(--glass-edge-light), var(--glass-shadow-md); }
.app-header .back-btn:active,
.msg-header .back-btn:active { transform: scale(0.92); }

.app-body {
  flex: 1; padding: 20px;
  overflow-y: auto; -webkit-overflow-scrolling: touch;
}
.app-body.flush { padding: 0; }

/* ============================================
   Glass Topbar — Liquid Glass variant
   ============================================ */
.topbar-glass {
  position: relative; z-index: 2;
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 20px; gap: 12px;
  background: var(--glass-bg-elevated);
  backdrop-filter: blur(var(--glass-blur-heavy)) saturate(1.8);
  -webkit-backdrop-filter: blur(var(--glass-blur-heavy)) saturate(1.8);
  border-bottom: 1px solid var(--glass-border);
  box-shadow: var(--glass-edge-light);
}
.topbar-glass h1 {
  font-family: var(--font-heading); font-weight: 700;
  font-size: var(--text-title-2); line-height: var(--leading-title-2);
  letter-spacing: var(--tracking-title-2); color: var(--color-neutral-dark);
}

.topbar-back {
  width: 40px; height: 40px; border-radius: var(--radius-md);
  border: 1px solid var(--glass-border);
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur)) saturate(1.4);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(1.4);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; color: var(--color-neutral-dark);
  box-shadow: var(--glass-edge-light), var(--glass-shadow-sm);
  transition: all var(--duration-fast) var(--ease-out);
}
.topbar-back:active { transform: scale(0.92); }
.topbar-back svg { width: 20px; height: 20px; }

.topbar-icons { display: flex; gap: 8px; }
.topbar-icons button {
  width: 40px; height: 40px; border-radius: var(--radius-md);
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur)) saturate(1.4);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(1.4);
  border: 1px solid var(--glass-border);
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  color: var(--color-neutral-dark);
  box-shadow: var(--glass-edge-light), var(--glass-shadow-sm);
  transition: all var(--duration-fast) var(--ease-out);
}
.topbar-icons button:active { transform: scale(0.92); }

.topbar-skip {
  font-size: 14px; font-weight: 500; color: var(--color-neutral-400);
  background: none; border: none; cursor: pointer;
}
.topbar-skip:hover { color: var(--color-primary); }

/* ============================================
   Tab Bar — Liquid Glass
   ============================================ */
.tab-bar {
  display: flex; align-items: center; justify-content: space-around;
  height: 64px; padding-bottom: env(safe-area-inset-bottom, 0);
  background: var(--glass-bg-floating);
  backdrop-filter: blur(var(--glass-blur-heavy)) saturate(2);
  -webkit-backdrop-filter: blur(var(--glass-blur-heavy)) saturate(2);
  border-top: 1px solid var(--glass-border);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.4);
  position: sticky; bottom: 0; z-index: 10;
}
.tab-item {
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  font-size: var(--text-caption-2); font-weight: 500;
  color: var(--color-neutral-400); text-decoration: none;
  padding: 6px 14px; border-radius: var(--radius-md);
  transition: color var(--duration-fast) var(--ease-out);
  -webkit-tap-highlight-color: transparent;
}
.tab-item:hover { color: var(--color-neutral-600); }
.tab-item.active { color: var(--color-primary); }
.tab-item svg { width: 24px; height: 24px; stroke-width: 1.8; }
.tab-center {
  width: 48px; height: 48px; border-radius: var(--radius-full);
  background: var(--color-primary);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 16px rgba(55, 105, 241, 0.35);
  margin-top: -16px;
  transition: transform var(--duration-fast) var(--ease-spring);
}
.tab-center:active { transform: scale(0.92); }
.tab-center span { font-size: 1.1rem; font-weight: 800; color: white; }

/* ============================================
   Glass Buttons — Liquid Glass
   ============================================ */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: var(--space-2); width: 100%; height: 52px; min-width: 160px;
  padding: 0 var(--space-6); border: none; border-radius: var(--radius-md);
  font-family: var(--font-body); font-weight: 600;
  font-size: var(--text-body); line-height: var(--leading-body);
  letter-spacing: var(--tracking-body); cursor: pointer;
  transition: all var(--duration-normal) var(--ease-out);
  -webkit-tap-highlight-color: transparent;
}
.btn:active { transform: scale(0.97); }
.btn:disabled { opacity: 0.4; pointer-events: none; }

.btn-primary {
  background: var(--color-primary); color: var(--color-white);
  box-shadow: 0 4px 16px rgba(55, 105, 241, 0.3);
}
.btn-primary:hover { background: var(--color-primary-hover); box-shadow: 0 6px 20px rgba(55, 105, 241, 0.4); transform: translateY(-1px); }
.btn-primary:active { background: var(--color-primary-pressed); transform: scale(0.97); }

.btn-secondary {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur)) saturate(1.4);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(1.4);
  border: 1.5px solid var(--glass-border);
  color: var(--color-primary);
  box-shadow: var(--glass-edge-light), var(--glass-shadow-sm);
}
.btn-secondary:hover { background: var(--glass-bg-elevated); }

.btn-outline {
  background: transparent; color: var(--color-primary);
  border: 1.5px solid var(--color-primary);
}
.btn-outline:hover { background: var(--color-primary-light); }

.btn-text {
  background: transparent; color: var(--color-primary);
  border: none; min-width: auto; height: auto;
  padding: var(--space-2) var(--space-3);
}
.btn-text:hover { background: var(--color-primary-light); }

.btn-ghost {
  background: transparent; border: none; color: var(--color-primary);
  padding: 10px 16px;
}
.btn-ghost:hover { background: var(--color-primary-light); }

.btn-danger { background: var(--color-error); color: white; }
.btn-sm { height: 42px; min-width: 140px; padding: 0 20px; font-size: var(--text-callout); }

.btn-icon {
  width: 48px; height: 48px; min-width: 48px;
  padding: 0; border-radius: var(--radius-full); flex-shrink: 0;
}

/* Glass button variants (used in screens with inline styles) */
.btn-glass {
  padding: 16px 24px; border-radius: var(--radius-lg); border: none;
  font-family: var(--font-body); font-size: var(--text-body);
  font-weight: 600; letter-spacing: var(--tracking-body);
  cursor: pointer; transition: all var(--duration-normal) var(--ease-out);
  -webkit-tap-highlight-color: transparent;
}
.btn-glass:active { transform: scale(0.97); }
.btn-glass-primary {
  background: var(--color-primary); color: #fff;
  box-shadow: 0 4px 16px rgba(55, 105, 241, 0.35);
}
.btn-glass-primary:hover { box-shadow: 0 6px 24px rgba(55, 105, 241, 0.45); transform: translateY(-1px); }
.btn-glass-secondary {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur)) saturate(1.4);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(1.4);
  border: 1.5px solid var(--glass-border); color: var(--color-neutral-dark);
  box-shadow: var(--glass-edge-light), var(--glass-shadow-sm);
}
.btn-glass-outline {
  padding: 8px 18px; border: 1.5px solid var(--color-primary);
  border-radius: var(--radius-full); background: transparent;
  font-family: var(--font-body); font-size: var(--text-caption-1);
  font-weight: 600; color: var(--color-primary); cursor: pointer;
  letter-spacing: var(--tracking-caption-1);
}
.btn-glass-outline:active { transform: scale(0.95); }
.btn-glass-ghost {
  background: var(--glass-bg-subtle);
  backdrop-filter: blur(var(--glass-blur-light));
  -webkit-backdrop-filter: blur(var(--glass-blur-light));
  border: 1px solid var(--glass-border-subtle); color: var(--color-neutral-dark);
}

/* ============================================
   Glass Inputs — Liquid Glass
   ============================================ */
.input-group {
  display: flex; flex-direction: column; gap: var(--space-1);
  margin-bottom: 18px; position: relative;
}
.input-label {
  display: block; font-size: var(--text-subhead);
  line-height: var(--leading-subhead); font-weight: 600;
  color: var(--color-neutral-600); margin-bottom: 7px;
  letter-spacing: var(--tracking-subhead);
}
.input, .input-field {
  width: 100%; height: 50px; padding: 12px 16px;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur)) saturate(1.4);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(1.4);
  border: 1.5px solid rgba(0, 0, 0, 0.06);
  border-radius: var(--radius-md);
  font-size: var(--text-body); line-height: var(--leading-body);
  letter-spacing: var(--tracking-body); color: var(--color-neutral-dark);
  outline: none;
  transition: all var(--duration-normal) var(--ease-out);
  -webkit-appearance: none;
  box-shadow: var(--glass-edge-light), var(--glass-shadow-sm);
}
.input::placeholder, .input-field::placeholder { color: var(--color-neutral-400); font-size: var(--text-subhead); }
.input:hover, .input-field:hover { border-color: rgba(0, 0, 0, 0.1); }
.input:focus, .input-field:focus { border-color: var(--color-primary); box-shadow: var(--glass-edge-light), 0 0 0 3px rgba(55, 105, 241, 0.1); }
.input-error { border-color: var(--color-error); background: rgba(224, 80, 72, 0.04); }
.input-success { border-color: var(--color-success); }
.input-helper { font-size: var(--text-caption-1); line-height: var(--leading-caption-1); }
.input-helper-error { color: var(--color-error); }
.input-helper-success { color: var(--color-green-900); }

.input-glass {
  width: 100%; padding: 12px 16px;
  border: 1.5px solid rgba(0, 0, 0, 0.06);
  border-radius: var(--radius-md);
  font-family: var(--font-body); font-size: var(--text-footnote);
  letter-spacing: var(--tracking-footnote);
  outline: none;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur)) saturate(1.4);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(1.4);
  color: var(--color-neutral-dark);
  box-shadow: var(--glass-edge-light), var(--glass-shadow-sm);
  transition: all var(--duration-normal) var(--ease-out);
}
.input-glass:focus { border-color: var(--color-primary); box-shadow: var(--glass-edge-light), 0 0 0 3px rgba(55, 105, 241, 0.08); }
.input-glass::placeholder { color: var(--color-neutral-300); }
.input-glass.input-error { border-color: var(--color-error); background: rgba(224, 80, 72, 0.04); }
.input-label-glass { font-size: var(--text-caption-1); font-weight: 600; color: var(--color-neutral-600); letter-spacing: var(--tracking-caption-1); margin-bottom: 6px; display: block; }

.textarea-glass {
  width: 100%; padding: 12px 16px;
  border: 1.5px solid rgba(0, 0, 0, 0.06);
  border-radius: var(--radius-md);
  font-family: var(--font-body); font-size: var(--text-footnote);
  letter-spacing: var(--tracking-footnote);
  outline: none; resize: none;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur)) saturate(1.4);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(1.4);
  color: var(--color-neutral-dark);
  box-shadow: var(--glass-edge-light), var(--glass-shadow-sm);
  transition: all var(--duration-normal) var(--ease-out);
}
.textarea-glass:focus { border-color: var(--color-primary); box-shadow: var(--glass-edge-light), 0 0 0 3px rgba(55, 105, 241, 0.08); }

select.input, select.input-field {
  cursor: pointer; appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' fill='none' stroke='%2312192C' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 12px center; padding-right: 40px;
}

/* Checkbox */
.checkbox-wrap { display: flex; align-items: flex-start; gap: var(--space-3); cursor: pointer; }
.checkbox-wrap input[type="checkbox"] { width: 20px; height: 20px; min-width: 20px; accent-color: var(--color-primary); border-radius: var(--radius-sm); margin-top: 2px; }
.checkbox-wrap label { font-size: var(--text-footnote); line-height: var(--leading-footnote); color: var(--color-neutral-600); cursor: pointer; }

/* ============================================
   Avatars
   ============================================ */
.avatar {
  width: 48px; height: 48px; border-radius: var(--radius-full);
  object-fit: cover; background: var(--color-primary);
  display: flex; align-items: center; justify-content: center;
  color: var(--color-white); font-weight: 500; flex-shrink: 0;
}
.avatar-xs { width: 28px; height: 28px; }
.avatar-sm { width: 40px; height: 40px; font-size: 14px; }
.avatar-md { width: 54px; height: 54px; font-size: 18px; }
.avatar-lg { width: 72px; height: 72px; }
.avatar-xl { width: 96px; height: 96px; }
.avatar-2xl { width: 120px; height: 120px; }
.avatar-ring { border: 3px solid var(--color-primary); padding: 3px; }

/* ============================================
   Glass Cards — Liquid Glass
   ============================================ */
.card {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur)) saturate(1.4);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(1.4);
  border-radius: var(--radius-lg);
  padding: 20px;
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-edge-light), var(--glass-shadow-md);
  transition: all var(--duration-normal) var(--ease-out);
}
.card:hover { box-shadow: var(--glass-edge-light), var(--glass-shadow-lg); }
.card-elevated {
  background: var(--glass-bg-elevated);
  backdrop-filter: blur(var(--glass-blur-heavy)) saturate(1.8);
  -webkit-backdrop-filter: blur(var(--glass-blur-heavy)) saturate(1.8);
  border: 1px solid var(--glass-border-strong);
  box-shadow: var(--glass-edge-light), var(--glass-shadow-lg);
}

.card-glass {
  background: var(--glass-bg-elevated);
  backdrop-filter: blur(var(--glass-blur)) saturate(1.4);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(1.4);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--glass-edge-light), var(--glass-shadow-md);
  margin-bottom: 16px;
}

/* ============================================
   Glass List Rows
   ============================================ */
.list-row {
  display: flex; align-items: center; gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.04);
  transition: background var(--duration-fast) var(--ease-out);
}
.list-row:last-child { border-bottom: none; }
.list-row:hover { background: var(--glass-bg-subtle); margin: 0 -20px; padding: 14px 20px; border-radius: var(--radius-md); }
.list-row .content { flex: 1; min-width: 0; }
.list-row .title { font-size: var(--text-body); font-weight: 600; letter-spacing: var(--tracking-body); color: var(--color-neutral-dark); }
.list-row .subtitle { font-size: var(--text-footnote); letter-spacing: var(--tracking-footnote); color: var(--color-neutral-400); margin-top: 2px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.list-row .meta { font-size: var(--text-caption-1); color: var(--color-neutral-400); flex-shrink: 0; }

.list-row-glass {
  display: flex; align-items: center; gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.04);
  cursor: pointer;
}
.list-row-glass img { width: 44px; height: 44px; border-radius: var(--radius-full); object-fit: cover; flex-shrink: 0; }
.list-row-glass .title { font-size: var(--text-subhead); font-weight: 600; letter-spacing: var(--tracking-subhead); color: var(--color-neutral-dark); }
.list-row-glass .subtitle { font-size: var(--text-caption-1); letter-spacing: var(--tracking-caption-1); color: var(--color-neutral-400); margin-top: 2px; }

/* ============================================
   Chat Bubbles — Liquid Glass
   ============================================ */
.bubble {
  max-width: 80%; padding: 12px 16px;
  border-radius: var(--radius-lg);
  font-size: 0.88rem; line-height: 1.5;
  margin-bottom: 4px; position: relative;
}
.bubble-sent {
  background: var(--color-primary); color: white;
  margin-left: auto; border-bottom-right-radius: var(--radius-sm);
  box-shadow: 0 2px 12px rgba(55, 105, 241, 0.25);
}
.bubble-received {
  background: var(--glass-bg-floating);
  backdrop-filter: blur(var(--glass-blur)) saturate(1.4);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(1.4);
  color: var(--color-neutral-dark);
  margin-right: auto; border-bottom-left-radius: var(--radius-sm);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-edge-light), var(--glass-shadow-sm);
}
.bubble-time { font-size: var(--text-caption-2); opacity: 0.6; margin-top: 4px; text-align: right; }

/* Heart Strings bubble variant */
.hs-bubble { max-width: 85%; margin-bottom: 4px; position: relative; }
.hs-bubble-header { display: flex; align-items: center; gap: 8px; margin-bottom: 6px; font-size: 0.75rem; color: var(--color-neutral-600); }
.hs-bubble-body {
  background: var(--glass-bg-elevated);
  backdrop-filter: blur(var(--glass-blur)) saturate(1.4);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(1.4);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 16px; font-size: 0.88rem; line-height: 1.5;
  box-shadow: var(--glass-edge-light), var(--glass-shadow-md);
}
.hs-divider { text-align: center; font-size: 0.72rem; color: var(--color-neutral-400); margin: 16px 0; position: relative; }
.hs-divider::before, .hs-divider::after { content: ''; position: absolute; top: 50%; width: 35%; height: 1px; background: rgba(0, 0, 0, 0.06); }
.hs-divider::before { left: 0; }
.hs-divider::after { right: 0; }

.hs-answer-btn {
  width: 100%; padding: 14px 16px;
  border: 1.5px solid rgba(0, 0, 0, 0.06);
  border-radius: var(--radius-md);
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur-light));
  -webkit-backdrop-filter: blur(var(--glass-blur-light));
  font-size: 0.88rem; color: var(--color-neutral-dark);
  cursor: pointer; text-align: left;
  transition: all var(--duration-fast) var(--ease-out);
  box-shadow: var(--glass-edge-light);
}
.hs-answer-btn:hover { border-color: var(--color-primary); background: var(--color-primary-light); }
.hs-answer-card { border: 1.5px solid rgba(0, 0, 0, 0.06); border-radius: var(--radius-lg); padding: 16px; background: var(--glass-bg); backdrop-filter: blur(var(--glass-blur-light)); }
.hs-result { background: var(--color-success-bg); border-radius: var(--radius-lg); padding: 16px; margin-bottom: 8px; }
.hs-result-header { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; }
.hs-result-body { font-size: 0.88rem; line-height: 1.5; }
.hs-lock-icon { display: flex; align-items: center; gap: 4px; font-size: 0.72rem; color: var(--color-neutral-400); margin-top: 8px; }
.hs-blurred { filter: blur(4px); user-select: none; pointer-events: none; }

/* ============================================
   Badges
   ============================================ */
.badge {
  display: inline-flex; align-items: center;
  height: 24px; padding: 0 10px;
  border-radius: var(--radius-full);
  font-size: 12px; line-height: 22px; font-weight: 600;
}
.badge-info { background: var(--color-info-bg); color: var(--color-primary); }
.badge-success { background: var(--color-success-bg); color: var(--color-green-900); }
.badge-warning { background: var(--color-warning-bg); color: #C64E19; }
.badge-error { background: var(--color-error-bg); color: var(--color-error); }
.badge-primary { background: var(--color-primary-light); color: var(--color-primary); }
.badge-accent { background: var(--color-pink-100); color: #9B4DA0; }
.badge-online {
  width: 10px; height: 10px; border-radius: var(--radius-full);
  background: var(--color-success); border: 2px solid var(--color-card);
  position: absolute; bottom: 0; right: 0;
}
.badge-count {
  min-width: 20px; height: 20px; padding: 0 6px;
  border-radius: var(--radius-full);
  background: var(--color-error); color: white;
  font-size: 0.65rem; font-weight: 700;
  display: inline-flex; align-items: center; justify-content: center;
}

/* Tags */
.tag {
  display: inline-flex; align-items: center; gap: var(--space-1);
  height: 28px; padding: 0 12px;
  border-radius: var(--radius-full);
  background: var(--color-primary); color: var(--color-white);
  font-size: 14px; line-height: 24px; font-weight: 400;
  cursor: pointer; border: none;
}
.tag-outline { background: transparent; color: var(--color-primary); border: 1.5px solid var(--color-primary); }
.tag-selected { background: var(--color-primary); color: var(--color-white); }

/* Steps / Progress */
.steps { display: flex; align-items: center; gap: var(--space-2); }
.step-dot { width: 8px; height: 8px; border-radius: var(--radius-full); background: var(--color-neutral-300); transition: all 0.2s ease; }
.step-dot.active { width: 24px; background: var(--color-primary); }
.step-dot.completed { background: var(--color-success); }

.progress { height: 4px; background: rgba(0, 0, 0, 0.06); border-radius: var(--radius-full); overflow: hidden; }
.progress-fill { height: 100%; background: var(--color-primary); border-radius: var(--radius-full); transition: width var(--duration-slow) var(--ease-out); }

/* Chips */
.chip-group { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  padding: 10px 18px;
  border: 1.5px solid rgba(0, 0, 0, 0.08);
  border-radius: var(--radius-full);
  font-size: 0.82rem; font-weight: 500;
  color: var(--color-neutral-600);
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur-light));
  -webkit-backdrop-filter: blur(var(--glass-blur-light));
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-out);
  -webkit-tap-highlight-color: transparent;
}
.chip:hover { border-color: rgba(0, 0, 0, 0.12); background: var(--glass-bg-elevated); }
.chip:active { transform: scale(0.95); }
.chip.active { border-color: var(--color-primary); background: var(--color-primary-light); color: var(--color-primary); font-weight: 600; }

/* Filter chips */
.filter-chips { display: flex; gap: 8px; flex-wrap: wrap; }
.filter-chip { padding: 8px 16px; border: 1.5px solid rgba(0, 0, 0, 0.08); border-radius: var(--radius-full); font-size: 0.82rem; background: var(--glass-bg); backdrop-filter: blur(var(--glass-blur-light)); cursor: pointer; }
.filter-chip.active { border-color: var(--color-primary); background: var(--color-primary-light); color: var(--color-primary); }
.filter-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.filter-label { font-size: 0.82rem; font-weight: 600; color: var(--color-neutral-600); margin-bottom: 10px; }
.filter-section { margin-bottom: 24px; }
.filter-range { display: flex; align-items: center; gap: 12px; }
.filter-reset { color: var(--color-primary); font-size: 0.82rem; background: none; border: none; cursor: pointer; }
.filter-apply { width: 100%; }

/* Waveform */
.waveform { display: flex; align-items: center; gap: 2px; height: 32px; }
.waveform-bar { width: 3px; border-radius: 2px; background: var(--color-primary); opacity: 0.6; }

/* Empty states */
.empty-state {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center; padding: 48px 24px; min-height: 50vh;
}
.empty-state-icon {
  width: 80px; height: 80px; border-radius: var(--radius-full);
  background: var(--color-primary-light);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
}
.empty-state-icon svg { width: 36px; height: 36px; color: var(--color-primary); }
.empty-state h3 { font-size: 1.1rem; margin-bottom: 8px; }
.empty-state p { font-size: 0.85rem; color: var(--color-neutral-400); max-width: 280px; }

/* ============================================
   Message Bar — Liquid Glass
   ============================================ */
.msg-bar {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 16px;
  background: var(--glass-bg-floating);
  backdrop-filter: blur(var(--glass-blur-heavy)) saturate(1.8);
  -webkit-backdrop-filter: blur(var(--glass-blur-heavy)) saturate(1.8);
  border-top: 1px solid var(--glass-border);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.4);
  position: sticky; bottom: 0;
}
.msg-input {
  flex: 1; padding: 10px 16px;
  border: 1px solid rgba(0, 0, 0, 0.06);
  border-radius: var(--radius-full);
  font-size: 0.88rem; outline: none;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur-light));
  -webkit-backdrop-filter: blur(var(--glass-blur-light));
  box-shadow: var(--glass-edge-light);
}
.msg-input:focus { border-color: var(--color-primary); }
.msg-send {
  width: 40px; height: 40px; border-radius: var(--radius-full);
  background: var(--color-primary); color: white; border: none;
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  box-shadow: 0 2px 8px rgba(55, 105, 241, 0.3);
  transition: transform var(--duration-fast) var(--ease-spring);
}
.msg-send:active { transform: scale(0.9); }

.msg-bar-glass {
  display: flex; align-items: center; gap: 8px;
  padding: 12px 16px;
  background: var(--glass-bg-floating);
  backdrop-filter: blur(var(--glass-blur-heavy)) saturate(1.8);
  -webkit-backdrop-filter: blur(var(--glass-blur-heavy)) saturate(1.8);
  border-top: 1px solid var(--glass-border);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.4);
  position: relative; z-index: 2;
}
.msg-bar-glass input {
  flex: 1; padding: 11px 16px;
  border: 1.5px solid rgba(0, 0, 0, 0.06);
  border-radius: var(--radius-full);
  font-family: var(--font-body); font-size: var(--text-subhead);
  letter-spacing: var(--tracking-subhead);
  outline: none;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur-light));
  color: var(--color-neutral-dark);
  box-shadow: var(--glass-edge-light);
}
.msg-bar-glass input:focus { border-color: var(--color-primary); }
.msg-bar-glass input::placeholder { color: var(--color-neutral-300); }

.msg-header-glass {
  display: flex; align-items: center; gap: 12px;
  padding: 14px 20px;
  background: var(--glass-bg-elevated);
  backdrop-filter: blur(var(--glass-blur-heavy)) saturate(1.8);
  -webkit-backdrop-filter: blur(var(--glass-blur-heavy)) saturate(1.8);
  border-bottom: 1px solid var(--glass-border);
  box-shadow: var(--glass-edge-light);
  position: relative; z-index: 2;
}
.msg-header-glass img { width: 40px; height: 40px; border-radius: var(--radius-full); object-fit: cover; }
.msg-header-glass .name { font-size: var(--text-subhead); font-weight: 600; letter-spacing: var(--tracking-subhead); color: var(--color-neutral-dark); }
.msg-header-glass .status { font-size: var(--text-caption-2); letter-spacing: var(--tracking-caption-2); }
.msg-header-glass .dots { width: 36px; height: 36px; border-radius: var(--radius-full); border: none; background: transparent; display: flex; align-items: center; justify-content: center; cursor: pointer; color: var(--color-neutral-400); }

.plus-btn-glass {
  width: 36px; height: 36px; border-radius: var(--radius-full);
  border: none;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur-light));
  -webkit-backdrop-filter: blur(var(--glass-blur-light));
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; color: var(--color-primary);
  transition: transform var(--duration-fast) var(--ease-spring);
}
.plus-btn-glass:active { transform: scale(0.9); }

/* ============================================
   Notification Rows
   ============================================ */
.notif-row {
  display: flex; align-items: flex-start; gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.04);
}
.notif-row.unread { background: var(--color-primary-light); margin: 0 -20px; padding: 14px 20px; border-radius: var(--radius-md); }
.notif-avatar { position: relative; flex-shrink: 0; }
.notif-text { flex: 1; font-size: 0.88rem; line-height: 1.5; }
.notif-time { font-size: 0.72rem; color: var(--color-neutral-400); margin-top: 4px; }
.notif-unread { font-weight: 600; }

/* ============================================
   Dialog / Action Sheet — Liquid Glass
   ============================================ */
.dialog-page {
  min-height: 100dvh; display: flex; align-items: center; justify-content: center;
  padding: 20px; background: var(--color-overlay);
}
.dialog-card {
  background: var(--glass-bg-floating);
  backdrop-filter: blur(var(--glass-blur-heavy)) saturate(2);
  -webkit-backdrop-filter: blur(var(--glass-blur-heavy)) saturate(2);
  border: 1px solid var(--glass-border-strong);
  border-radius: var(--radius-lg); padding: 24px;
  max-width: 320px; width: 100%; text-align: center;
  box-shadow: var(--glass-edge-light), var(--glass-shadow-float);
}
.dialog-header { margin-bottom: 16px; }
.dialog-title { font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; }
.dialog-body { font-size: 0.88rem; color: var(--color-neutral-600); margin-bottom: 20px; }
.dialog-actions { display: flex; flex-direction: column; gap: 10px; }
.dialog-action { padding: 14px; border-radius: var(--radius-md); font-size: 0.92rem; font-weight: 600; cursor: pointer; border: none; width: 100%; }
.dialog-action.destructive { background: var(--color-error-bg); color: var(--color-error); }

/* Options sheet */
.opt-sheet {
  position: fixed; bottom: 0; left: 0; right: 0;
  background: var(--glass-bg-floating);
  backdrop-filter: blur(var(--glass-blur-heavy)) saturate(2);
  -webkit-backdrop-filter: blur(var(--glass-blur-heavy)) saturate(2);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  padding: 8px 0 calc(20px + env(safe-area-inset-bottom, 0));
  box-shadow: var(--glass-edge-light), var(--glass-shadow-float);
}
.opt-item {
  display: flex; align-items: center; gap: 14px;
  padding: 14px 20px; font-size: 0.92rem;
  cursor: pointer; border: none; background: none;
  width: 100%; text-align: left; color: var(--color-neutral-dark);
  transition: background var(--duration-fast) var(--ease-out);
}
.opt-item:hover { background: var(--glass-bg-subtle); }
.opt-item.destructive { color: var(--color-error); }

/* ============================================
   Match Card (Discover) — Liquid Glass
   ============================================ */
.match-card { position: relative; border-radius: var(--radius-lg); overflow: hidden; }
.match-overlay {
  position: absolute; bottom: 0; left: 0; right: 0;
  padding: 20px;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.75));
  color: white;
}
.match-info { margin-bottom: 12px; }
.match-name { font-size: 1.3rem; font-weight: 700; }
.match-tag {
  display: inline-block; padding: 4px 10px;
  border-radius: var(--radius-full);
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur-light));
  font-size: 0.72rem; margin-right: 6px;
}
.match-tags { margin-top: 8px; }
.match-actions { display: flex; justify-content: center; gap: 16px; }
.match-btn {
  width: 56px; height: 56px; border-radius: var(--radius-full);
  border: none; display: flex; align-items: center; justify-content: center; cursor: pointer;
  transition: all var(--duration-fast) var(--ease-spring);
}
.match-btn:active { transform: scale(0.9); }
.match-btn-skip {
  background: var(--glass-bg-floating);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 2px solid var(--glass-border);
  box-shadow: var(--glass-edge-light), var(--glass-shadow-sm);
}
.match-btn-rush {
  background: var(--color-primary);
  box-shadow: 0 4px 16px rgba(55, 105, 241, 0.35);
  width: 64px; height: 64px;
}
.match-btn-info {
  background: var(--glass-bg-floating);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 2px solid var(--glass-border);
  color: var(--color-primary);
  box-shadow: var(--glass-edge-light), var(--glass-shadow-sm);
}
.mm-header { display: flex; align-items: center; justify-content: space-between; padding: 14px 20px; }
.mm-filters { display: flex; gap: 8px; padding: 0 20px 14px; overflow-x: auto; }
.mm-filter {
  padding: 8px 16px; border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: var(--radius-full);
  font-size: 0.78rem; white-space: nowrap;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur-light));
  -webkit-backdrop-filter: blur(var(--glass-blur-light));
  cursor: pointer;
  box-shadow: var(--glass-edge-light);
  transition: all var(--duration-fast) var(--ease-out);
}
.mm-filter.active { background: var(--color-primary); color: white; border-color: var(--color-primary); }
.mm-badge {
  padding: 4px 10px; border-radius: var(--radius-full);
  background: var(--color-primary-light); color: var(--color-primary);
  font-size: 0.72rem; font-weight: 600;
}

/* ============================================
   Profile — Liquid Glass
   ============================================ */
.profile-header { text-align: center; padding: 20px; }
.profile-avatar { width: 96px; height: 96px; border-radius: var(--radius-full); object-fit: cover; margin: 0 auto 16px; }
.profile-name { font-size: 1.3rem; font-weight: 700; }
.profile-handle { font-size: 0.82rem; color: var(--color-neutral-400); }
.profile-stats { display: flex; justify-content: center; gap: 32px; margin-top: 16px; }
.profile-stat { text-align: center; }
.profile-stat-num { font-size: 1.1rem; font-weight: 700; }
.profile-stat-label { font-size: 0.72rem; color: var(--color-neutral-400); }
.profile-bio { font-size: 0.88rem; color: var(--color-neutral-600); text-align: center; margin-top: 12px; max-width: 280px; margin-left: auto; margin-right: auto; }
.profile-actions { display: flex; gap: 10px; justify-content: center; margin-top: 20px; }

/* ============================================
   Posts / Feed — Liquid Glass
   ============================================ */
.post-card {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur)) saturate(1.4);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(1.4);
  border-radius: var(--radius-lg); overflow: hidden;
  margin-bottom: 16px;
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-edge-light), var(--glass-shadow-md);
}
.post-header { display: flex; align-items: center; gap: 12px; padding: 14px 16px; }
.post-user { font-size: 0.88rem; font-weight: 600; }
.post-time { font-size: 0.72rem; color: var(--color-neutral-400); }
.post-img { width: 100%; aspect-ratio: 1; object-fit: cover; }
.post-actions { display: flex; align-items: center; gap: 16px; padding: 10px 16px; }
.post-action {
  display: flex; align-items: center; gap: 6px;
  font-size: 0.82rem; color: var(--color-neutral-600);
  background: none; border: none; cursor: pointer;
}
.post-action:hover { color: var(--color-primary); }
.post-action.liked { color: var(--color-error); }
.post-caption { padding: 0 16px 14px; font-size: 0.88rem; line-height: 1.5; }

.comment-bar {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 16px;
  background: var(--glass-bg-floating);
  backdrop-filter: blur(var(--glass-blur-heavy));
  -webkit-backdrop-filter: blur(var(--glass-blur-heavy));
  border-top: 1px solid var(--glass-border);
}
.comment-input {
  flex: 1; padding: 10px 14px;
  border: 1px solid rgba(0, 0, 0, 0.06);
  border-radius: var(--radius-full);
  font-size: 0.82rem; outline: none;
  background: var(--glass-bg);
  box-shadow: var(--glass-edge-light);
}
.comment-send {
  width: 36px; height: 36px; border-radius: var(--radius-full);
  background: var(--color-primary); color: white; border: none;
  cursor: pointer; display: flex; align-items: center; justify-content: center;
}
.comment { display: flex; gap: 10px; padding: 10px 0; }
.comment-av { width: 32px; height: 32px; border-radius: var(--radius-full); object-fit: cover; flex-shrink: 0; }
.comment-body { flex: 1; }
.comment-user { font-size: 0.82rem; font-weight: 600; }
.comment-text { font-size: 0.82rem; color: var(--color-neutral-600); margin-top: 2px; }
.comment-meta { display: flex; gap: 12px; margin-top: 4px; }
.comment-time { font-size: 0.68rem; color: var(--color-neutral-400); }
.comments { padding: 0 16px; }

/* ============================================
   Menu Items (Settings) — Liquid Glass
   ============================================ */
.menu-item {
  display: flex; align-items: center; gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.04);
  font-size: 0.92rem; color: var(--color-neutral-dark);
  text-decoration: none; cursor: pointer;
  background: none; border-left: none; border-right: none; border-top: none;
  width: 100%; text-align: left;
}
.menu-item:hover { background: var(--glass-bg-subtle); margin: 0 -20px; padding: 16px 20px; border-radius: var(--radius-md); }
.menu-icon {
  width: 40px; height: 40px; border-radius: var(--radius-md);
  background: var(--color-primary-light);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.menu-icon svg { width: 20px; height: 20px; color: var(--color-primary); }

/* ============================================
   Stories
   ============================================ */
.story-ring {
  width: 60px; height: 60px; border-radius: var(--radius-full);
  padding: 3px; background: linear-gradient(135deg, var(--color-primary), var(--color-purple-500));
}
.story-ring-inner { width: 100%; height: 100%; border-radius: var(--radius-full); border: 3px solid var(--color-card); overflow: hidden; }
.story-ring-inner img { width: 100%; height: 100%; object-fit: cover; }
.story-viewer { min-height: 100dvh; background: var(--color-neutral-dark); display: flex; align-items: center; justify-content: center; }

/* ============================================
   OTP Keypad — Liquid Glass
   ============================================ */
.otp-dots { display: flex; gap: 12px; justify-content: center; margin: 24px 0; }
.otp-dot {
  width: 48px; height: 48px;
  border: 2px solid rgba(0, 0, 0, 0.08);
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem; font-weight: 700;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur-light));
  -webkit-backdrop-filter: blur(var(--glass-blur-light));
  box-shadow: var(--glass-edge-light);
}
.otp-dot.filled { border-color: var(--color-primary); color: var(--color-primary); }
.keypad { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; padding: 0 32px; }
.key {
  height: 56px; border: none; border-radius: var(--radius-md);
  font-size: 1.3rem; font-weight: 500;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur-light));
  -webkit-backdrop-filter: blur(var(--glass-blur-light));
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  box-shadow: var(--glass-edge-light);
  transition: all var(--duration-fast) var(--ease-out);
}
.key:active { background: rgba(0, 0, 0, 0.06); transform: scale(0.95); }
.key-action { background: transparent; }

/* ============================================
   Call Screens — Liquid Glass
   ============================================ */
.call-screen {
  min-height: 100dvh; display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  text-align: center; padding: 32px;
  background: linear-gradient(180deg, var(--color-neutral-dark) 0%, #1a1640 100%);
  color: white;
}
.call-avatar { width: 120px; height: 120px; border-radius: var(--radius-full); object-fit: cover; border: 4px solid rgba(255, 255, 255, 0.2); margin-bottom: 24px; }
.call-actions { display: flex; gap: 32px; margin-top: 48px; }
.call-btn {
  width: 64px; height: 64px; border-radius: var(--radius-full);
  border: none; display: flex; align-items: center; justify-content: center;
  cursor: pointer; transition: transform 0.2s;
}
.call-btn:active { transform: scale(0.9); }
.call-timer { font-size: 1.2rem; font-weight: 300; font-variant-numeric: tabular-nums; margin-bottom: 4px; }
.call-secure { display: flex; align-items: center; gap: 6px; font-size: 0.75rem; opacity: 0.6; margin-bottom: 48px; }
.call-row { display: flex; align-items: center; gap: 14px; padding: 14px 0; border-bottom: 1px solid rgba(0, 0, 0, 0.04); }

/* ============================================
   Error Pages — Liquid Glass
   ============================================ */
.error-page {
  min-height: 100dvh; display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  text-align: center; padding: 32px;
}
.error-icon {
  width: 80px; height: 80px; border-radius: var(--radius-full);
  background: var(--color-primary-light);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 24px;
}
.error-title { font-size: 1.3rem; font-weight: 700; margin-bottom: 8px; }
.error-text { font-size: 0.88rem; color: var(--color-neutral-600); margin-bottom: 24px; max-width: 280px; }

/* Error banner */
.error-banner-glass {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 16px; border-radius: var(--radius-md);
  background: rgba(224, 80, 72, 0.06);
  border: 1px solid rgba(224, 80, 72, 0.15);
  backdrop-filter: blur(var(--glass-blur-light));
  -webkit-backdrop-filter: blur(var(--glass-blur-light));
}
.error-banner-glass svg { flex-shrink: 0; }
.error-banner-glass span { font-size: var(--text-footnote); line-height: var(--leading-footnote); letter-spacing: var(--tracking-footnote); color: var(--color-error); font-weight: 600; }

/* ============================================
   Attachment Bar — Liquid Glass
   ============================================ */
.attach-bar { display: flex; gap: 16px; padding: 16px; justify-content: center; }
.attach-item { display: flex; flex-direction: column; align-items: center; gap: 6px; cursor: pointer; }
.attach-icon {
  width: 48px; height: 48px; border-radius: var(--radius-full);
  display: flex; align-items: center; justify-content: center;
}
.attach-label { font-size: 0.68rem; color: var(--color-neutral-600); }

.attach-grid-glass {
  display: flex; gap: 0; padding: 12px 16px;
  background: var(--glass-bg-floating);
  backdrop-filter: blur(var(--glass-blur)) saturate(1.4);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(1.4);
  border-top: 1px solid var(--glass-border);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.4);
  justify-content: space-around;
}

/* ============================================
   Typing Indicator
   ============================================ */
.typing-indicator {
  display: flex; gap: 4px; padding: 14px 18px;
  background: var(--glass-bg-floating);
  backdrop-filter: blur(var(--glass-blur-light));
  -webkit-backdrop-filter: blur(var(--glass-blur-light));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  width: fit-content; margin-bottom: 8px;
  box-shadow: var(--glass-edge-light);
}
.typing-dot { width: 8px; height: 8px; border-radius: var(--radius-full); background: var(--color-neutral-400); animation: typing 1.4s infinite; }
.typing-dot:nth-child(2) { animation-delay: 0.2s; }
.typing-dot:nth-child(3) { animation-delay: 0.4s; }
@keyframes typing { 0%, 60%, 100% { opacity: 0.3; transform: translateY(0); } 30% { opacity: 1; transform: translateY(-4px); } }

/* ============================================
   Utilities
   ============================================ */
.text-center { text-align: center; }
.text-muted { color: var(--color-neutral-400); }
.text-secondary { color: var(--color-neutral-600); }
.text-primary { color: var(--color-primary); }
.fw-600 { font-weight: 600; }
.fw-700 { font-weight: 700; }
.mt-2 { margin-top: var(--space-2); }
.mt-3 { margin-top: var(--space-3); }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mb-2 { margin-bottom: var(--space-2); }
.mb-3 { margin-bottom: var(--space-3); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: 8px; }
.gap-12 { gap: 12px; }
.gap-16 { gap: 16px; }
.flex-1 { flex: 1; }

/* SVG Icons */
.icon { width: 24px; height: 24px; fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.icon-sm { width: 20px; height: 20px; }

/* Safe area */
@supports (padding: env(safe-area-inset-bottom)) {
  .tab-bar { padding-bottom: env(safe-area-inset-bottom); }
}