/* ============================================================
   SpeakApp — Light Freepik glassmorphism design system
   Vibrant gradient bg + organic blob ribbons + clean white
   cards with soft shadows + blue gradient accent.
   Class names are preserved from the previous design so the
   inline JS in app.html / call.html / group_call.html keeps
   working without modification.
   ============================================================ */

/* --- Material Icons (legacy markup) --- */
@import url('https://fonts.googleapis.com/icon?family=Material+Icons+Round');
@import url('https://fonts.googleapis.com/icon?family=Material+Icons');

/* ============================================================
   1. DESIGN TOKENS
   ============================================================ */
:root {
  /* Primary brand */
  --color-primary:       #2563EB;
  --color-primary-light: #3B82F6;
  --color-primary-dark:  #1D4ED8;

  /* Secondary accents */
  --color-cyan:    #06B6D4;
  --color-magenta: #EC4899;
  --color-pink:    #F472B6;
  --color-mint:    #4ADE80;
  --color-gold:    #F59E0B;
  --color-violet:  #8B5CF6;

  /* Ink (text) */
  --color-ink:        #1E293B;
  --color-ink-muted:  #475569;
  --color-ink-faint:  #94A3B8;
  --color-ink-on-accent: #FFFFFF;

  /* Surfaces */
  --color-card:           #FFFFFF;
  --color-card-edge:      rgba(15, 23, 42, 0.06);
  --color-card-highlight: rgba(255, 255, 255, 0.95);

  --glass-bg:        rgba(255, 255, 255, 0.62);
  --glass-bg-strong: rgba(255, 255, 255, 0.85);
  --glass-border:    rgba(255, 255, 255, 0.85);
  --glass-edge:      rgba(15, 23, 42, 0.06);
  --glass-highlight: rgba(255, 255, 255, 0.98);

  /* Backgrounds (page) */
  --page-bg-fallback: #C4B5FD;

  /* Status */
  --color-success: #4ADE80;
  --color-warning: #F59E0B;
  --color-danger:  #EF4444;

  --success-soft:  rgba(74, 222, 128, 0.16);
  --warning-soft:  rgba(245, 158, 11, 0.14);
  --danger-soft:   rgba(239, 68, 68, 0.12);
  --accent-soft:   rgba(37, 99, 235, 0.10);
  --accent-tint:   rgba(37, 99, 235, 0.05);
  --accent-glow:   rgba(37, 99, 235, 0.40);
  --speaking-glow: rgba(74, 222, 128, 0.45);

  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono:   'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, Consolas, monospace;
  --fw-regular:   400;
  --fw-medium:    500;
  --fw-semibold:  600;
  --fw-bold:      700;
  --fw-extrabold: 800;

  /* Spacing */
  --space-4: 4px;  --space-8: 8px;  --space-10: 10px;
  --space-12: 12px; --space-16: 16px; --space-20: 20px;
  --space-24: 24px; --space-32: 32px; --space-40: 40px;
  --s-1: 4px; --s-2: 8px; --s-3: 12px; --s-4: 16px;
  --s-5: 20px; --s-6: 28px; --s-7: 36px; --s-8: 48px;

  /* Radii */
  --radius-input:     14px;
  --radius-card:      22px;
  --radius-section:   22px;
  --radius-container: 24px;
  --radius-nav:       28px;
  --radius-tab-item:  22px;
  --radius-full:      9999px;
  --r-xs: 8px; --r-sm: 12px; --r-md: 16px;
  --r-lg: 22px; --r-xl: 26px; --r-2xl: 30px; --r-pill: 9999px;

  /* Shadows */
  --shadow-card:
    0 14px 32px -10px rgba(15, 23, 42, 0.16),
    0 4px 10px -2px rgba(15, 23, 42, 0.06),
    inset 0 1px 0 var(--glass-highlight);
  --shadow-card-hover:
    0 22px 44px -12px rgba(15, 23, 42, 0.22),
    0 8px 16px -4px rgba(15, 23, 42, 0.10),
    inset 0 1px 0 var(--glass-highlight);
  --shadow-blue:
    0 16px 32px -8px rgba(37, 99, 235, 0.50),
    0 6px 14px -4px rgba(37, 99, 235, 0.28),
    inset 0 1px 0 rgba(255, 255, 255, 0.30);
  --shadow-glow-accent: 0 0 28px var(--accent-glow);
  --shadow-glow-success: 0 0 26px var(--speaking-glow);
  --shadow-glow-danger: 0 0 22px rgba(239, 68, 68, 0.40);
  --shadow-modal:
    0 28px 64px -12px rgba(15, 23, 42, 0.28),
    0 8px 20px -4px rgba(15, 23, 42, 0.10),
    inset 0 1px 0 var(--glass-highlight);
  --shadow-snackbar:
    0 18px 40px -10px rgba(15, 23, 42, 0.30),
    inset 0 1px 0 var(--glass-highlight);

  /* Transitions */
  --transition-fast:   200ms ease;
  --transition-normal: 300ms ease;
  --ease-out:          cubic-bezier(0.2, 0.8, 0.2, 1);

  /* ── Backwards-compat aliases (legacy code references) ── */
  --color-dark-text:        var(--color-ink);
  --color-secondary-gray:   var(--color-ink-muted);
  --color-light-gray-bg:    rgba(255, 255, 255, 0.55);
  --color-input-border:     rgba(15, 23, 42, 0.10);
  --color-placeholder:      var(--color-ink-faint);
  --color-green:            var(--color-mint);
  --color-orange:           var(--color-gold);
  --color-red:              var(--color-danger);
  --color-purple:           var(--color-violet);
  --color-white:            #FFFFFF;
  --color-black:            var(--color-ink);
  --color-blue-tint-1:      var(--accent-soft);
  --color-blue-tint-2:      var(--accent-tint);
  --color-blue-tint-3:      var(--accent-tint);
  --color-blue-tint-4:      var(--accent-soft);
  --color-gold:             #F59E0B;

  --gradient-top:    transparent;
  --gradient-mid:    transparent;
  --gradient-bottom: transparent;

  /* New semantic aliases (used in templates) */
  --bg-0: var(--page-bg-fallback);
  --bg-1: #FFFFFF;
  --bg-2: #FFFFFF;
  --bg-3: #F1F5F9;

  --glass-bg-soft: rgba(255, 255, 255, 0.45);
  --glass-border-strong: rgba(15, 23, 42, 0.12);

  --text-primary:   var(--color-ink);
  --text-secondary: var(--color-ink-muted);
  --text-tertiary:  var(--color-ink-faint);
  --text-on-accent: #FFFFFF;

  --accent:        var(--color-primary);
  --accent-hover:  var(--color-primary-light);
  --accent-deep:   var(--color-primary-dark);

  --speaking:       var(--color-mint);
  --speaking-soft:  var(--success-soft);
  --magenta:        var(--color-magenta);
  --magenta-glow:   rgba(236, 72, 153, 0.40);
  --danger:         var(--color-danger);
  --danger-strong:  #DC2626;
  --warning:        var(--color-warning);
  --success:        var(--color-success);
  --gold:           var(--color-gold);
}

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

html {
  font-size: 16px;
  background: #C8DEFF;
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: var(--font-family);
  font-feature-settings: 'cv11', 'ss01', 'ss03';
  font-weight: var(--fw-regular);
  color: var(--color-ink);
  line-height: 1.5;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background:
    radial-gradient(ellipse 75% 60% at 0% 0%,    #BFD8FF 0%, transparent 60%),
    radial-gradient(ellipse 70% 60% at 100% 0%,  #C7E2FF 0%, transparent 60%),
    radial-gradient(ellipse 80% 70% at 0% 100%,  #A8CFFF 0%, transparent 60%),
    radial-gradient(ellipse 80% 80% at 100% 100%,#9DC9FF 0%, transparent 60%),
    linear-gradient(135deg, #DBEAFE 0%, #A8C5FF 50%, #BFDBFE 100%);
  background-attachment: fixed;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}
a:hover { color: var(--color-primary-dark); }

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  outline: none;
  background: none;
  color: inherit;
}

input, textarea, select {
  font-family: inherit;
  outline: none;
  color: var(--color-ink);
}

img { max-width: 100%; display: block; }
ul, ol { list-style: none; }

::selection {
  background: var(--accent-soft);
  color: var(--color-ink);
}

.t-mono,
.font-mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

/* ============================================================
   3. GLOBAL BACKGROUND STAGE — organic 3D blob ribbons
   ============================================================ */
.bg-stage {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}
.bg-shape {
  position: absolute;
  border: 1px solid rgba(255, 255, 255, 0.55);
  pointer-events: none;
}
.bg-shape--cyan {
  width: 220px;
  height: 560px;
  top: -60px;
  left: -40px;
  background: linear-gradient(160deg,
    #67E8F9 0%,
    #22D3EE 30%,
    #3B82F6 65%,
    #6366F1 100%);
  border-radius: 60% 40% 70% 30% / 50% 30% 70% 50%;
  transform: rotate(-12deg);
  filter:
    drop-shadow(18px 28px 40px rgba(30, 64, 175, 0.30))
    drop-shadow(0 6px 18px rgba(99, 102, 241, 0.20));
  animation: bg-float-a 14s ease-in-out infinite;
}
.bg-shape--pink {
  width: 240px;
  height: 540px;
  bottom: -80px;
  right: -50px;
  background: linear-gradient(140deg,
    #DBEAFE 0%,
    #93C5FD 30%,
    #3B82F6 60%,
    #2563EB 100%);
  border-radius: 40% 60% 30% 70% / 60% 40% 50% 50%;
  transform: rotate(18deg);
  filter:
    drop-shadow(-18px 24px 40px rgba(30, 64, 175, 0.30))
    drop-shadow(0 6px 16px rgba(99, 102, 241, 0.22));
  animation: bg-float-b 16s ease-in-out infinite;
}
.bg-shape--mini {
  width: 110px;
  height: 110px;
  top: 38%;
  right: 14%;
  background: linear-gradient(135deg, #FFFFFF 0%, #BAE6FD 60%, #38BDF8 100%);
  border-radius: 50%;
  filter:
    drop-shadow(8px 14px 24px rgba(56, 189, 248, 0.30))
    drop-shadow(0 0 0 1px rgba(255, 255, 255, 0.5));
  animation: bg-float-a 12s ease-in-out infinite reverse;
  opacity: 0.85;
}
@keyframes bg-float-a {
  0%, 100% { transform: rotate(-12deg) translateY(0); }
  50%      { transform: rotate(-9deg)  translateY(-14px); }
}
@keyframes bg-float-b {
  0%, 100% { transform: rotate(18deg)  translateY(0); }
  50%      { transform: rotate(15deg)  translateY(12px); }
}

/* ============================================================
   4. APP CONTAINER
   ============================================================ */
.app-container {
  max-width: 480px;
  margin: 0 auto;
  min-height: 100vh;
  position: relative;
  z-index: 1;
  background: transparent;
  overflow-x: hidden;
}

.app-fixed-overlay {
  position: fixed;
  top: 0;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 480px;
  z-index: 2;
}

.gradient-bg {
  background: transparent;
  min-height: 100vh;
}

/* ============================================================
   5. GLASS PRIMITIVE
   ============================================================ */
.glass {
  background: var(--glass-bg);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
}
.glass--strong { background: var(--glass-bg-strong); }
.glass--solid  { background: #FFFFFF; }
.glass--sm     { border-radius: var(--r-md); }
.glass--lg     { border-radius: var(--r-xl); }
.glass--sheet  { border-radius: var(--r-2xl) var(--r-2xl) 0 0; }

/* ============================================================
   6. BUTTONS
   ============================================================ */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 52px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 50%, var(--color-cyan) 110%);
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.005em;
  border: 1px solid rgba(255, 255, 255, 0.30);
  border-radius: var(--r-pill);
  cursor: pointer;
  gap: var(--space-8);
  box-shadow: var(--shadow-blue);
  transition: transform 0.15s var(--ease-out), filter 0.2s;
  font-family: inherit;
}
.btn-primary:hover  { filter: brightness(1.06); }
.btn-primary:active { transform: scale(0.97); }
.btn-primary:disabled { opacity: 0.45; pointer-events: none; }

.btn-outlined {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 52px;
  background: var(--glass-bg-strong);
  color: var(--color-ink);
  font-size: 15px;
  font-weight: 600;
  border: 1px solid var(--glass-border);
  border-radius: var(--r-pill);
  cursor: pointer;
  gap: var(--space-8);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  box-shadow: var(--shadow-card);
  transition: transform 0.15s var(--ease-out), background 0.2s, border-color 0.2s, color 0.2s;
}
.btn-outlined:hover {
  background: #fff;
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.btn-outlined:active { transform: scale(0.97); }

.btn-green {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 52px;
  background: linear-gradient(135deg, #10B981 0%, var(--color-mint) 100%);
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--r-pill);
  cursor: pointer;
  gap: var(--space-8);
  box-shadow:
    0 16px 32px -8px rgba(16, 185, 129, 0.50),
    0 6px 14px -4px rgba(16, 185, 129, 0.28),
    inset 0 1px 0 rgba(255, 255, 255, 0.30);
  transition: transform 0.15s, filter 0.2s;
}
.btn-green:hover  { filter: brightness(1.06); }
.btn-green:active { transform: scale(0.97); }

.btn-red {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 52px;
  background: linear-gradient(135deg, var(--color-danger) 0%, #DC2626 100%);
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--r-pill);
  cursor: pointer;
  gap: var(--space-8);
  box-shadow:
    0 16px 32px -8px rgba(239, 68, 68, 0.50),
    0 6px 14px -4px rgba(239, 68, 68, 0.28),
    inset 0 1px 0 rgba(255, 255, 255, 0.30);
  transition: transform 0.15s, filter 0.2s;
}
.btn-red:hover  { filter: brightness(1.06); }
.btn-red:active { transform: scale(0.97); }

.btn-icon-circle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  border: 1px solid var(--glass-border);
  background: var(--glass-bg-strong);
  color: var(--color-ink);
  cursor: pointer;
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  box-shadow: var(--shadow-card);
  transition: transform 0.15s, background 0.2s;
  flex-shrink: 0;
}
.btn-icon-circle:hover { background: #fff; }
.btn-icon-circle:active { transform: scale(0.92); }
.btn-icon-circle--40 { width: 40px; height: 40px; }
.btn-icon-circle--56 { width: 56px; height: 56px; }
.btn-icon-circle--60 { width: 60px; height: 60px; }
.btn-icon-circle--72 { width: 72px; height: 72px; }

.btn-pill {
  display: inline-flex;
  align-items: center;
  gap: var(--space-8);
  padding: var(--space-10) var(--space-20);
  background: var(--glass-bg-strong);
  color: var(--color-ink);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-full);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: var(--shadow-card);
  transition: transform 0.15s, background 0.2s;
}
.btn-pill:hover  { background: #fff; }
.btn-pill:active { transform: scale(0.96); }

/* ============================================================
   7. FORMS
   ============================================================ */
.form-label {
  display: block;
  font-size: 11px;
  font-weight: 600;
  color: var(--color-ink-muted);
  text-transform: uppercase;
  letter-spacing: 0.10em;
  margin-bottom: var(--space-8);
}

.form-field,
.form-input,
.form-select,
input[type="text"].form-input,
input[type="email"].form-input,
input[type="password"].form-input {
  display: block;
  width: 100%;
  height: 50px;
  background: var(--glass-bg-strong);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-md);
  padding: 0 var(--space-16);
  font-size: 15px;
  font-weight: 500;
  color: var(--color-ink);
  backdrop-filter: blur(12px) saturate(180%);
  -webkit-backdrop-filter: blur(12px) saturate(180%);
  box-shadow: inset 0 1px 0 var(--glass-highlight);
  transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
  font-family: inherit;
}
.form-field::placeholder,
.form-input::placeholder,
.form-select::placeholder {
  color: var(--color-ink-faint);
  font-weight: 400;
}
.form-field:focus,
.form-input:focus,
.form-select:focus {
  border-color: var(--color-primary);
  background: #fff;
  box-shadow: 0 0 0 4px var(--accent-soft), inset 0 1px 0 var(--glass-highlight);
}

textarea.form-field,
textarea.form-input {
  height: auto;
  min-height: 96px;
  padding: var(--space-12) var(--space-16);
  resize: vertical;
}

.form-select {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%23475569' d='M1.41 0L6 4.58 10.59 0 12 1.41l-6 6-6-6z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  cursor: pointer;
  padding-right: 40px;
}
.form-select option { background: #FFFFFF; color: var(--color-ink); }

.form-field.is-invalid,
.form-input.is-invalid,
.form-select.is-invalid {
  border-color: var(--color-danger);
  box-shadow: 0 0 0 4px var(--danger-soft);
}

.errorlist,
.invalid-feedback,
.field-validation-error {
  list-style: none;
  color: var(--color-danger);
  font-size: 13px;
  margin-top: var(--space-8);
  padding: 0;
}

/* ============================================================
   8. CARDS
   ============================================================ */
.card {
  background: #FFFFFF;
  border: 1px solid var(--color-card-highlight);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: var(--space-20);
  color: var(--color-ink);
}
.card--lg {
  border-radius: var(--radius-container);
  padding: var(--space-24);
}
.card-blue {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 50%, var(--color-cyan) 110%);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--radius-card);
  padding: var(--space-20);
  color: #fff;
  box-shadow: var(--shadow-blue);
  position: relative;
  overflow: hidden;
}
.card-blue::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; height: 60%;
  background: linear-gradient(180deg, rgba(255,255,255,0.16), transparent);
  border-radius: var(--radius-card) var(--radius-card) 0 0;
  pointer-events: none;
}

.user-card {
  display: flex;
  align-items: center;
  gap: var(--space-16);
  background: #FFFFFF;
  border: 1px solid var(--color-card-highlight);
  border-radius: var(--radius-card);
  padding: var(--space-16) var(--space-20);
  box-shadow: var(--shadow-card);
  color: var(--color-ink);
  transition: transform 0.15s var(--ease-out), box-shadow 0.2s;
}
.user-card:hover { box-shadow: var(--shadow-card-hover); transform: translateY(-2px); }
.user-card:active { transform: scale(0.99); }

.notif-card {
  display: flex;
  align-items: flex-start;
  gap: var(--space-12);
  background: #FFFFFF;
  border: 1px solid var(--color-card-highlight);
  border-radius: var(--radius-card);
  padding: var(--space-16);
  color: var(--color-ink);
  box-shadow: var(--shadow-card);
}
.notif-card.unread {
  background: linear-gradient(135deg, #EFF6FF 0%, #FFFFFF 100%);
  border-color: var(--accent-soft);
}

.profile-card {
  background: #FFFFFF;
  border-radius: var(--radius-card);
  overflow: hidden;
  border: 1px solid var(--color-card-highlight);
  box-shadow: var(--shadow-card);
  color: var(--color-ink);
}

/* ============================================================
   9. TABS
   ============================================================ */
.tab-container {
  display: flex;
  align-items: center;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-nav);
  padding: var(--space-4);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  box-shadow: inset 0 1px 0 var(--glass-highlight);
}
.tab-item {
  flex: 1;
  text-align: center;
  padding: var(--space-10) var(--space-12);
  border-radius: var(--radius-tab-item);
  font-size: 13px;
  font-weight: 600;
  color: var(--color-ink-muted);
  background: transparent;
  border: none;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, transform 0.15s;
}
.tab-item:hover { color: var(--color-ink); }
.tab-item:active { transform: scale(0.97); }
.tab-item.active {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: #fff;
  box-shadow: var(--shadow-blue);
}

/* ============================================================
   10. BOTTOM NAV
   ============================================================ */
.bottom-nav {
  position: fixed;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  width: calc(100% - 48px);
  max-width: 432px;
  display: flex;
  align-items: center;
  justify-content: space-around;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-nav);
  padding: var(--space-8) var(--space-4);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  box-shadow:
    0 18px 36px -10px rgba(15, 23, 42, 0.18),
    inset 0 1px 0 var(--glass-highlight);
  z-index: 1000;
}

.nav-blur-trough {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  height: 96px;
  z-index: 999;
  pointer-events: none;
}
.nav-blur-trough::before,
.nav-blur-trough::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  pointer-events: none;
}
.nav-blur-trough::before {
  top: 0; bottom: 0;
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  -webkit-mask-image: linear-gradient(to bottom, rgba(0,0,0,0) 0%, rgba(0,0,0,0.7) 60%, rgba(0,0,0,0.92) 100%);
  mask-image: linear-gradient(to bottom, rgba(0,0,0,0) 0%, rgba(0,0,0,0.7) 60%, rgba(0,0,0,0.92) 100%);
}
.nav-blur-trough::after {
  top: 28px; bottom: 0;
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
  -webkit-mask-image: linear-gradient(to bottom, rgba(0,0,0,0) 0%, rgba(0,0,0,0.5) 50%, #000 100%);
  mask-image: linear-gradient(to bottom, rgba(0,0,0,0) 0%, rgba(0,0,0,0.5) 50%, #000 100%);
}

.nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: var(--space-4) var(--space-12);
  border: none;
  background: none;
  color: var(--color-ink-faint);
  font-size: 10px;
  font-weight: 600;
  cursor: pointer;
  position: relative;
  transition: color var(--transition-fast), transform var(--transition-fast);
}
.nav-item .material-icons-round,
.nav-item .material-icons {
  font-size: 22px;
  color: var(--color-ink-faint);
  transition: font-size var(--transition-fast), color var(--transition-fast), filter var(--transition-fast);
}
.nav-item:hover { color: var(--color-ink-muted); }
.nav-item:hover .material-icons-round,
.nav-item:hover .material-icons { color: var(--color-ink-muted); }

.nav-item.active {
  color: var(--color-primary);
  transform: translateY(-2px);
}
.nav-item.active .material-icons-round,
.nav-item.active .material-icons {
  color: var(--color-primary);
  font-size: 26px;
  filter: drop-shadow(0 0 8px var(--accent-glow));
}
.nav-item.active span:not(.material-icons-round):not(.material-icons) {
  font-weight: 700 !important;
}
.nav-item.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  width: 6px;
  height: 6px;
  background: var(--color-primary);
  border-radius: var(--radius-full);
  box-shadow: 0 0 10px var(--accent-glow);
}

/* ============================================================
   11. AVATAR
   ============================================================ */
.avatar {
  border-radius: var(--radius-full);
  object-fit: cover;
  flex-shrink: 0;
  border: 2px solid #FFFFFF;
  box-shadow: 0 4px 12px -2px rgba(15, 23, 42, 0.15);
}
.avatar--32  { width: 32px;  height: 32px; }
.avatar--48  { width: 48px;  height: 48px; }
.avatar--50  { width: 50px;  height: 50px; }
.avatar--52  { width: 52px;  height: 52px; }
.avatar--60  { width: 60px;  height: 60px; }
.avatar--70  { width: 70px;  height: 70px; }
.avatar--100 { width: 100px; height: 100px; }
.avatar--110 { width: 110px; height: 110px; }
.avatar--120 { width: 120px; height: 120px; }

.avatar-wrapper {
  position: relative;
  display: inline-flex;
  flex-shrink: 0;
}

.avatar-fallback {
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 50%, var(--color-magenta) 100%);
  color: #FFFFFF;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  border: 2px solid #FFFFFF;
  box-shadow: 0 4px 12px -2px rgba(15, 23, 42, 0.15);
}
.avatar-fallback--32  { width: 32px;  height: 32px;  font-size: 13px; }
.avatar-fallback--48  { width: 48px;  height: 48px;  font-size: 17px; }
.avatar-fallback--50  { width: 50px;  height: 50px;  font-size: 18px; }
.avatar-fallback--52  { width: 52px;  height: 52px;  font-size: 19px; }
.avatar-fallback--60  { width: 60px;  height: 60px;  font-size: 21px; }
.avatar-fallback--70  { width: 70px;  height: 70px;  font-size: 25px; }
.avatar-fallback--100 { width: 100px; height: 100px; font-size: 34px; }
.avatar-fallback--110 { width: 110px; height: 110px; font-size: 38px; }
.avatar-fallback--120 { width: 120px; height: 120px; font-size: 42px; }

.avatar-status {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 14px;
  height: 14px;
  border-radius: var(--radius-full);
  border: 2px solid #FFFFFF;
}
.avatar-status.online,
.avatar-status[style*="4CAF50"],
.avatar-status[style*="22c55e"] { background: var(--color-success); box-shadow: 0 0 10px rgba(74, 222, 128, 0.6); }
.avatar-status.offline,
.avatar-status[style*="B0B7C3"] { background: var(--color-ink-faint); }
.avatar-status.busy,
.avatar-status[style*="FF9800"] { background: var(--color-warning); }

.avatar-badge {
  position: absolute;
  bottom: -2px;
  right: -2px;
  width: 22px;
  height: 22px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 700;
  border: 2px solid #FFFFFF;
  box-shadow: 0 4px 10px -2px rgba(37, 99, 235, 0.45);
}

.avatar.is-speaking,
.participant-avatar.speaking {
  border-color: var(--color-success) !important;
  box-shadow: 0 0 0 3px var(--success-soft), 0 0 18px var(--speaking-glow);
  animation: avatar-breath 0.9s ease-in-out infinite;
}
@keyframes avatar-breath {
  0%, 100% { transform: scale(1); }
  50%      { transform: scale(1.04); }
}

/* ============================================================
   12. READY TOGGLE / PILL / GROUP WIDGET
   ============================================================ */
.ready-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 52px;
  border-radius: var(--r-pill);
  font-size: 15px;
  font-weight: 600;
  border: 1px solid var(--glass-border);
  cursor: pointer;
  transition: all var(--transition-normal);
  gap: var(--space-8);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}
.ready-toggle.active {
  background: linear-gradient(135deg, #10B981 0%, var(--color-mint) 100%);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.30);
  box-shadow: 0 16px 32px -8px rgba(16, 185, 129, 0.50), inset 0 1px 0 rgba(255, 255, 255, 0.30);
}
.ready-toggle.inactive {
  background: var(--glass-bg-strong);
  color: var(--color-ink-muted);
  border-color: var(--glass-border);
  box-shadow: var(--shadow-card);
}

.ready-pill {
  display: inline-flex !important;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 9999px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, box-shadow 0.2s, border-color 0.2s;
  -webkit-tap-highlight-color: transparent;
  white-space: nowrap;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.ready-pill .ready-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
}
.ready-pill.active {
  background: var(--success-soft);
  color: #15803D;
  border-color: rgba(74, 222, 128, 0.35);
}
.ready-pill.active .ready-dot {
  background: var(--color-mint);
  box-shadow: 0 0 0 4px rgba(74, 222, 128, 0.25);
  animation: ready-pulse 1.4s ease-in-out infinite;
}
.ready-pill.inactive {
  background: var(--glass-bg-strong);
  color: var(--color-ink-muted);
  border-color: var(--glass-border);
}
.ready-pill.inactive .ready-dot { background: var(--color-ink-faint); }
@keyframes ready-pulse {
  0%, 100% { box-shadow: 0 0 0 4px rgba(74, 222, 128, 0.25); }
  50%      { box-shadow: 0 0 0 8px rgba(74, 222, 128, 0); }
}

.group-widget {
  display: flex !important;
  align-items: center;
  gap: 14px;
  width: 100%;
  min-height: 72px;
  padding: 12px 18px;
  border-radius: var(--radius-card);
  border: 1px solid var(--color-card-highlight);
  cursor: pointer;
  text-align: left;
  font-family: inherit;
  transition: transform 0.15s, box-shadow 0.2s;
  -webkit-tap-highlight-color: transparent;
  box-sizing: border-box;
}
.group-widget:active { transform: scale(0.98); }
.group-widget.live {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 50%, var(--color-cyan) 110%);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.30);
  box-shadow: var(--shadow-blue);
  position: relative;
  overflow: hidden;
}
.group-widget.live::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; height: 60%;
  background: linear-gradient(180deg, rgba(255,255,255,0.16), transparent);
  pointer-events: none;
}
.group-widget.empty {
  background: #FFFFFF;
  color: var(--color-ink);
  border: 1.5px dashed rgba(15, 23, 42, 0.18);
  box-shadow: var(--shadow-card);
}
.group-widget__icon {
  width: 44px;
  height: 44px;
  border-radius: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  position: relative;
  z-index: 1;
}
.group-widget.live .group-widget__icon {
  background: rgba(255, 255, 255, 0.20);
  color: #fff;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.35);
}
.group-widget.empty .group-widget__icon {
  background: linear-gradient(135deg, #DBEAFE, #BFDBFE);
  color: var(--color-primary);
}
.group-widget__body { flex: 1; min-width: 0; position: relative; z-index: 1; }
.group-widget__title {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.01em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.group-widget__sub {
  font-size: 12px;
  font-weight: 500;
  opacity: 0.92;
  margin-top: 3px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.group-widget.empty .group-widget__sub { opacity: 0.7; color: var(--color-ink-muted); }

.group-widget__add-btn {
  background: transparent;
  border: none;
  padding: 6px;
  margin: -6px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  transition: background 0.15s, transform 0.1s, color 0.15s;
  -webkit-tap-highlight-color: transparent;
  position: relative;
  z-index: 1;
}
.group-widget__add-btn:hover { background: var(--accent-soft); color: var(--color-primary-dark); }
.group-widget__add-btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}
.group-widget__add-btn:active { transform: scale(0.9); }

.voice-wave {
  display: inline-flex;
  align-items: flex-end;
  gap: 2px;
  height: 14px;
}
.voice-wave span {
  display: block;
  width: 3px;
  background: currentColor;
  border-radius: 2px;
  animation: voice-bar 1s ease-in-out infinite;
}
.voice-wave span:nth-child(1) { animation-delay: 0s;    height: 6px;  }
.voice-wave span:nth-child(2) { animation-delay: 0.15s; height: 14px; }
.voice-wave span:nth-child(3) { animation-delay: 0.3s;  height: 9px;  }
.voice-wave span:nth-child(4) { animation-delay: 0.45s; height: 12px; }
.voice-wave span:nth-child(5) { animation-delay: 0.6s;  height: 7px;  }
@keyframes voice-bar {
  0%, 100% { transform: scaleY(0.4); }
  50%      { transform: scaleY(1);   }
}

/* ============================================================
   13. DRAWER
   ============================================================ */
.drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.45);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 2000;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
}
.drawer-overlay.open { opacity: 1; visibility: visible; }

.drawer {
  position: fixed;
  top: 0;
  left: 0;
  width: 300px;
  max-width: 80vw;
  height: 100%;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(28px) saturate(180%);
  -webkit-backdrop-filter: blur(28px) saturate(180%);
  border-right: 1px solid var(--glass-border);
  color: var(--color-ink);
  z-index: 2001;
  transform: translateX(-100%);
  transition: transform var(--transition-normal);
  overflow-y: auto;
  padding: var(--space-24);
  box-shadow: 12px 0 36px rgba(15, 23, 42, 0.20);
}
.drawer.open { transform: translateX(0); }

.language-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-12) var(--space-16);
  border-radius: var(--radius-input);
  cursor: pointer;
  color: var(--color-ink);
  transition: background var(--transition-fast);
}
.language-item:hover { background: var(--accent-soft); }

.language-item .level-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 2px 10px;
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 700;
  background: var(--accent-soft);
  color: var(--color-primary);
  font-family: var(--font-mono);
}

/* ============================================================
   14. MODALS / SHEETS
   ============================================================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(15, 23, 42, 0.50);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 3000;
  padding: var(--space-24);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-fast), visibility var(--transition-fast);
}
.modal-overlay.open { opacity: 1; visibility: visible; }

.dialog {
  background: #FFFFFF;
  border: 1px solid var(--color-card-highlight);
  border-radius: var(--radius-container);
  box-shadow: var(--shadow-modal);
  padding: var(--space-24);
  width: 100%;
  max-width: 400px;
  max-height: 90vh;
  overflow-y: auto;
  color: var(--color-ink);
}

.bottom-sheet-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.50);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 3000;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-fast), visibility var(--transition-fast);
}
.bottom-sheet-overlay.open { opacity: 1; visibility: visible; }

.bottom-sheet {
  background: #FFFFFF;
  border-top: 1px solid var(--color-card-highlight);
  border-left: 1px solid var(--color-card-highlight);
  border-right: 1px solid var(--color-card-highlight);
  border-radius: var(--r-2xl) var(--r-2xl) 0 0;
  width: 100%;
  max-width: 480px;
  max-height: 85vh;
  overflow-y: auto;
  padding: var(--space-24);
  color: var(--color-ink);
  transform: translateY(100%);
  transition: transform var(--transition-normal);
  box-shadow: 0 -16px 36px rgba(15, 23, 42, 0.20);
}
.bottom-sheet-overlay.open .bottom-sheet { transform: translateY(0); }

.bottom-sheet-handle {
  width: 40px;
  height: 4px;
  background: rgba(15, 23, 42, 0.18);
  border-radius: var(--radius-full);
  margin: 0 auto var(--space-16);
}

/* ============================================================
   15. PROGRESS
   ============================================================ */
.progress-bar {
  width: 100%;
  height: 8px;
  background: rgba(15, 23, 42, 0.08);
  border-radius: var(--radius-full);
  overflow: hidden;
}
.progress-bar__fill {
  height: 100%;
  border-radius: var(--radius-full);
  background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-cyan) 100%);
  box-shadow: 0 0 12px var(--accent-glow);
  transition: width var(--transition-normal);
}
.progress-bar__fill--green {
  background: linear-gradient(90deg, var(--color-mint) 0%, #10B981 100%);
  box-shadow: 0 0 12px var(--speaking-glow);
}
.progress-bar__fill--orange {
  background: var(--color-warning);
  box-shadow: 0 0 12px rgba(245, 158, 11, 0.45);
}
.progress-bar__fill--red {
  background: var(--color-danger);
  box-shadow: 0 0 12px rgba(239, 68, 68, 0.45);
}

.skill-circle { transform: rotate(-90deg); }
.skill-circle__track {
  fill: none;
  stroke: rgba(15, 23, 42, 0.10);
}
.skill-circle__fill {
  fill: none;
  stroke-linecap: round;
  filter: drop-shadow(0 0 6px var(--accent-glow));
  transition: stroke-dashoffset var(--transition-normal);
}

/* ============================================================
   16. CALL SCREEN
   ============================================================ */
.call-screen {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: var(--space-24);
  text-align: center;
  gap: var(--space-24);
  color: var(--color-ink);
}
.call-timer {
  display: inline-flex;
  align-items: center;
  gap: var(--space-8);
  background: var(--success-soft);
  color: #15803D;
  border: 1px solid rgba(74, 222, 128, 0.35);
  padding: var(--space-8) var(--space-20);
  border-radius: var(--radius-full);
  font-size: 14px;
  font-weight: 700;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.call-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-24);
  width: 100%;
  padding: var(--space-24) 0;
}

/* ============================================================
   17. GROUP CALL
   ============================================================ */
.participant-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-20);
  justify-items: center;
}
.participant-avatar {
  width: 70px;
  height: 70px;
  border-radius: var(--radius-full);
  border: 2px solid #FFFFFF;
  box-shadow: 0 6px 16px -4px rgba(15, 23, 42, 0.20);
  object-fit: cover;
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
}
.participant-avatar.speaking {
  border-color: var(--color-success);
  box-shadow: 0 0 0 3px var(--success-soft), 0 0 22px var(--speaking-glow);
  animation: avatar-breath 0.9s ease-in-out infinite;
}

/* ============================================================
   18. UTILITIES
   ============================================================ */
.text-blue   { color: var(--color-primary); }
.text-green  { color: var(--color-success); }
.text-red    { color: var(--color-danger); }
.text-gray   { color: var(--color-ink-muted); }
.text-orange { color: var(--color-warning); }
.text-purple { color: var(--color-violet); }
.text-gold   { color: var(--color-gold); }
.text-white  { color: #FFFFFF; }
.text-dark   { color: var(--color-ink); }

.bg-blue    { background: var(--color-primary); color: #fff; }
.bg-green   { background: var(--color-success); color: #04190E; }
.bg-red     { background: var(--color-danger); color: #fff; }
.bg-orange  { background: var(--color-warning); color: #fff; }
.bg-purple  { background: var(--color-violet); color: #fff; }
.bg-gray    { background: var(--glass-bg-strong); }
.bg-white   { background: #FFFFFF; }

.flex-row    { display: flex; flex-direction: row; }
.flex-col    { display: flex; flex-direction: column; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between{ display: flex; align-items: center; justify-content: space-between; }
.flex-wrap   { flex-wrap: wrap; }
.flex-1      { flex: 1; }
.items-center{ align-items: center; }
.items-start { align-items: flex-start; }
.items-end   { align-items: flex-end; }
.justify-center  { justify-content: center; }
.justify-between { justify-content: space-between; }

.gap-4 { gap: 4px; } .gap-8 { gap: 8px; } .gap-12 { gap: 12px; }
.gap-16 { gap: 16px; } .gap-20 { gap: 20px; } .gap-24 { gap: 24px; }

.mt-8  { margin-top: 8px; }  .mt-12 { margin-top: 12px; }
.mt-16 { margin-top: 16px; } .mt-20 { margin-top: 20px; }
.mt-24 { margin-top: 24px; } .mt-32 { margin-top: 32px; } .mt-40 { margin-top: 40px; }

.mb-8  { margin-bottom: 8px; }  .mb-12 { margin-bottom: 12px; }
.mb-16 { margin-bottom: 16px; } .mb-20 { margin-bottom: 20px; }
.mb-24 { margin-bottom: 24px; } .mb-32 { margin-bottom: 32px; } .mb-40 { margin-bottom: 40px; }

.px-8  { padding-left: 8px; padding-right: 8px; }
.px-12 { padding-left: 12px; padding-right: 12px; }
.px-16 { padding-left: 16px; padding-right: 16px; }
.px-20 { padding-left: 20px; padding-right: 20px; }
.px-24 { padding-left: 24px; padding-right: 24px; }
.px-32 { padding-left: 32px; padding-right: 32px; }

.py-4  { padding-top: 4px; padding-bottom: 4px; }
.py-8  { padding-top: 8px; padding-bottom: 8px; }
.py-12 { padding-top: 12px; padding-bottom: 12px; }
.py-16 { padding-top: 16px; padding-bottom: 16px; }
.py-20 { padding-top: 20px; padding-bottom: 20px; }
.py-24 { padding-top: 24px; padding-bottom: 24px; }

.w-full { width: 100%; }
.text-center { text-align: center; }
.text-left   { text-align: left; }
.text-right  { text-align: right; }

.font-regular   { font-weight: 400; }
.font-medium    { font-weight: 500; }
.font-semibold  { font-weight: 600; }
.font-bold      { font-weight: 700; }
.font-extrabold { font-weight: 800; }

.hidden  { display: none; }
.visible { visibility: visible; }
.relative { position: relative; }
.absolute { position: absolute; }
.fixed    { position: fixed; }
.overflow-hidden { overflow: hidden; }
.overflow-auto   { overflow-y: auto; }

.truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ============================================================
   19. ANIMATIONS
   ============================================================ */
@keyframes fadeIn   { from { opacity: 0; } to { opacity: 1; } }
@keyframes fadeInUp { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: translateY(0); } }
@keyframes pulse    { 0%,100% { opacity: 1; } 50% { opacity: 0.5; } }
@keyframes spin     { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
@keyframes ripple   { 0% { transform: scale(1); opacity: 0.4; } 100% { transform: scale(2.5); opacity: 0; } }

.fade-in       { animation: fadeIn 300ms var(--ease-out) forwards; }
.fade-in-up    { animation: fadeInUp 400ms var(--ease-out) forwards; }
.animate-pulse { animation: pulse 2s ease-in-out infinite; }
.animate-spin  { animation: spin 1s linear infinite; }

/* ============================================================
   20. ALERT BOXES
   ============================================================ */
.error-box {
  background: linear-gradient(135deg, #FEF2F2 0%, #FFFFFF 100%);
  border: 1px solid rgba(239, 68, 68, 0.30);
  color: #DC2626;
  border-radius: var(--radius-input);
  padding: var(--space-12) var(--space-16);
  font-size: 14px;
  font-weight: 500;
  box-shadow: 0 4px 12px -4px rgba(239, 68, 68, 0.18);
}
.success-box {
  background: linear-gradient(135deg, #F0FDF4 0%, #FFFFFF 100%);
  border: 1px solid rgba(74, 222, 128, 0.35);
  color: #15803D;
  border-radius: var(--radius-input);
  padding: var(--space-12) var(--space-16);
  font-size: 14px;
  font-weight: 500;
  box-shadow: 0 4px 12px -4px rgba(74, 222, 128, 0.18);
}
.warning-box {
  background: linear-gradient(135deg, #FFFBEB 0%, #FFFFFF 100%);
  border: 1px solid rgba(245, 158, 11, 0.35);
  color: #B45309;
  border-radius: var(--radius-input);
  padding: var(--space-12) var(--space-16);
  font-size: 14px;
  font-weight: 500;
  box-shadow: 0 4px 12px -4px rgba(245, 158, 11, 0.18);
}

/* ============================================================
   21. SECTION HEADERS / TITLES
   ============================================================ */
.section-label {
  font-size: 11px;
  font-weight: 700;
  color: var(--color-ink-muted);
  text-transform: uppercase;
  letter-spacing: 0.10em;
}
.section-title {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-ink);
}
.page-title {
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1.15;
  color: var(--color-ink);
}

/* ============================================================
   22. IMPACT ROW
   ============================================================ */
.impact-row {
  display: flex;
  align-items: center;
  justify-content: space-evenly;
  gap: var(--space-8);
  padding: var(--space-12) 0;
}
.impact-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
}
.impact-item__icon { font-size: 28px; }
.impact-item__count {
  font-size: 17px;
  font-weight: 700;
  color: var(--color-ink);
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}
.impact-item__label {
  font-size: 11px;
  color: var(--color-ink-faint);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* ============================================================
   23. DETAIL ROW + SETTINGS
   ============================================================ */
.detail-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-12) 0;
}
.detail-row__label {
  font-size: 14px;
  color: var(--color-ink-muted);
  font-weight: 500;
}
.detail-row__value {
  font-size: 14px;
  color: var(--color-ink);
  font-weight: 600;
}

.settings-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 18px;
  cursor: pointer;
  background: transparent;
  color: var(--color-ink);
  -webkit-tap-highlight-color: var(--accent-soft);
  font-family: inherit;
  border: none;
  width: 100%;
  text-align: left;
  transition: background 0.2s;
}
.settings-row:hover { background: var(--accent-tint); }
.settings-row + .settings-row { border-top: 1px solid var(--color-card-edge); }

.settings-row__icon {
  width: 36px;
  height: 36px;
  border-radius: 11px;
  background: linear-gradient(135deg, #DBEAFE 0%, #BFDBFE 100%);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.settings-row__icon .material-icons-round { font-size: 18px; }
.settings-row__main { flex: 1; min-width: 0; }
.settings-row__label {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-ink);
  letter-spacing: -0.01em;
}
.settings-row__value {
  font-size: 13px;
  color: var(--color-ink-muted);
  margin-top: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.settings-row__chevron {
  color: var(--color-ink-faint);
  font-size: 20px;
  flex-shrink: 0;
}
.settings-row.is-danger .settings-row__icon {
  background: linear-gradient(135deg, #FEE2E2 0%, #FECACA 100%);
  color: var(--color-danger);
}
.settings-row.is-danger .settings-row__label { color: var(--color-danger); }

.settings-card {
  background: #FFFFFF;
  border: 1px solid var(--color-card-highlight);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  margin-bottom: 16px;
}

.settings-section-label {
  font-size: 11px;
  font-weight: 700;
  color: var(--color-ink-muted);
  text-transform: uppercase;
  letter-spacing: 0.10em;
  margin: 4px 4px 8px;
}

/* ============================================================
   24. BIRTH DATE WHEEL
   ============================================================ */
.bday-wheel {
  flex: 1;
  height: 100%;
  overflow-y: scroll;
  scroll-snap-type: y mandatory;
  scrollbar-width: none;
  -ms-overflow-style: none;
  padding: 80px 0;
  text-align: center;
  position: relative;
  z-index: 1;
  color: var(--color-ink);
}
.bday-wheel::-webkit-scrollbar { display: none; }
.bday-wheel .bday-item {
  height: 40px;
  line-height: 40px;
  scroll-snap-align: center;
  font-size: 17px;
  color: var(--color-ink);
  user-select: none;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}
.bday-band {
  position: absolute;
  left: 8px;
  right: 8px;
  top: 80px;
  height: 40px;
  background: var(--accent-soft);
  border-top: 1px solid rgba(37, 99, 235, 0.3);
  border-bottom: 1px solid rgba(37, 99, 235, 0.3);
  border-radius: 10px;
  pointer-events: none;
  z-index: 0;
}

/* ============================================================
   25. COUNTRY PICKER
   ============================================================ */
#countryAlphabetIndex span {
  padding: 1px 5px;
  cursor: pointer;
  border-radius: 4px;
  color: var(--color-ink-muted);
}
#countryAlphabetIndex span:active {
  background: var(--accent-soft);
  color: var(--color-primary);
}
.country-letter-header {
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  font-size: 12px;
  font-weight: 700;
  color: var(--color-ink-muted);
  padding: 8px 4px 4px;
  letter-spacing: 0.10em;
  text-transform: uppercase;
}
.country-row {
  padding: 12px 8px;
  cursor: pointer;
  font-size: 15px;
  color: var(--color-ink);
  border-radius: 10px;
  -webkit-tap-highlight-color: var(--accent-soft);
}
.country-row:hover { background: var(--accent-tint); }
.country-row.selected {
  background: var(--accent-soft);
  color: var(--color-primary);
  font-weight: 600;
}

/* ============================================================
   26. SETTINGS POPOVER
   ============================================================ */
.settings-popover-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.50);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 8200;
  display: none;
}
.settings-popover-backdrop.visible { display: block; }
.settings-popover {
  position: fixed;
  left: 50%;
  top: 38%;
  transform: translate(-50%, -50%);
  width: calc(100% - 32px);
  max-width: 360px;
  background: #FFFFFF;
  border: 1px solid var(--color-card-highlight);
  border-radius: var(--radius-container);
  box-shadow: var(--shadow-modal);
  z-index: 8201;
  display: none;
  overflow: hidden;
  font-family: inherit;
  color: var(--color-ink);
}
.settings-popover.visible { display: block; }
.settings-popover__header {
  padding: 18px 20px 8px;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-ink);
}
.settings-popover__body { padding: 4px 8px 8px; }
.settings-popover__footer {
  padding: 10px 14px 14px;
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}
.settings-popover__btn {
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px 16px;
  border-radius: 9999px;
  font-size: 14px;
  font-weight: 600;
  font-family: inherit;
  -webkit-tap-highlight-color: transparent;
  transition: background 0.2s;
}
.settings-popover__btn.cancel { color: var(--color-ink-muted); }
.settings-popover__btn.cancel:hover { background: var(--accent-tint); color: var(--color-ink); }
.settings-popover__btn.primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  color: #fff;
  box-shadow: var(--shadow-blue);
}
.settings-popover__btn.primary:hover { filter: brightness(1.06); }

.settings-option-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: 12px;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  color: var(--color-ink);
  transition: background 0.2s;
}
.settings-option-row:hover  { background: var(--accent-tint); }
.settings-option-row.selected { background: var(--accent-soft); }
.settings-option-row__radio {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 2px solid rgba(15, 23, 42, 0.20);
  flex-shrink: 0;
  position: relative;
  transition: border-color 0.2s;
}
.settings-option-row.selected .settings-option-row__radio { border-color: var(--color-primary); }
.settings-option-row.selected .settings-option-row__radio::after {
  content: '';
  position: absolute;
  inset: 3px;
  border-radius: 50%;
  background: var(--color-primary);
  box-shadow: 0 0 8px var(--accent-glow);
}
.settings-option-row__main { flex: 1; }
.settings-option-row__label {
  font-size: 15px;
  color: var(--color-ink);
  font-weight: 600;
}
.settings-option-row__sub {
  font-size: 12px;
  color: var(--color-ink-faint);
  margin-top: 2px;
}

.color-swatch-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 14px;
  padding: 8px 14px 4px;
}
.color-swatch {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  cursor: pointer;
  border: 3px solid transparent;
  box-shadow: 0 0 0 1px var(--color-card-edge);
  transition: transform 0.1s, box-shadow 0.15s;
}
.color-swatch:active { transform: scale(0.92); }
.color-swatch.selected {
  border-color: #FFFFFF;
  box-shadow: 0 0 0 3px var(--color-primary), 0 0 16px var(--accent-glow);
}

/* Light/dark theme — current default IS light, so dark variant
   is stub for future. data-theme attr can swap if needed. */
body[data-theme="dark"] { /* no-op until dark variant defined */ }
body[data-theme="light"] { /* matches default */ }

/* ============================================================
   27. SNACKBAR
   ============================================================ */
.snackbar {
  position: fixed;
  bottom: 90px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  padding: var(--space-12) var(--space-24);
  border-radius: var(--radius-input);
  color: #FFFFFF;
  font-size: 14px;
  font-weight: 600;
  background: rgba(15, 23, 42, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  box-shadow: var(--shadow-snackbar);
  z-index: 5000;
  opacity: 0;
  transition: transform var(--transition-normal), opacity var(--transition-normal);
  max-width: calc(100% - 48px);
  text-align: center;
}
.snackbar.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}
.snackbar--success { background: linear-gradient(135deg, #10B981, var(--color-mint)); }
.snackbar--error   { background: linear-gradient(135deg, var(--color-danger), #DC2626); }
.snackbar--info    { background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light)); }
.snackbar--warning { background: linear-gradient(135deg, var(--color-warning), #D97706); color: #fff; }

/* ============================================================
   28. BADGE
   ============================================================ */
.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 2px 10px;
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  border: 1px solid transparent;
}
.badge--blue   { background: var(--accent-soft);  color: var(--color-primary); border-color: rgba(37, 99, 235, 0.20); }
.badge--green  { background: var(--success-soft); color: #15803D;              border-color: rgba(74, 222, 128, 0.30); }
.badge--red    { background: var(--danger-soft);  color: var(--color-danger);  border-color: rgba(239, 68, 68, 0.25); }
.badge--orange { background: var(--warning-soft); color: #B45309;              border-color: rgba(245, 158, 11, 0.30); }
.badge--purple { background: rgba(139, 92, 246, 0.10); color: var(--color-violet); border-color: rgba(139, 92, 246, 0.25); }

/* ============================================================
   29. DIVIDER
   ============================================================ */
.divider {
  height: 1px;
  background: var(--color-card-edge);
  width: 100%;
}

/* ============================================================
   30. LOADING / SKELETON
   ============================================================ */
.loading-spinner {
  width: 32px;
  height: 32px;
  border: 3px solid var(--color-card-edge);
  border-top-color: var(--color-primary);
  border-radius: var(--radius-full);
  animation: spin 0.8s linear infinite;
  filter: drop-shadow(0 0 6px var(--accent-glow));
}

.skeleton {
  background: linear-gradient(
    90deg,
    rgba(255, 255, 255, 0.55) 0%,
    rgba(255, 255, 255, 0.92) 50%,
    rgba(255, 255, 255, 0.55) 100%
  );
  background-size: 200% 100%;
  animation: shimmer 1.4s linear infinite;
  border-radius: var(--radius-input);
  border: 1px solid var(--glass-border);
}
@keyframes shimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ============================================================
   31. SAFE AREA
   ============================================================ */
.safe-area-top    { padding-top: env(safe-area-inset-top, 0px); }
.safe-area-bottom { padding-bottom: env(safe-area-inset-bottom, 0px); }

/* ============================================================
   32. RESPONSIVE
   ============================================================ */
@media (max-width: 480px) {
  .app-container { max-width: 100%; }
  .bottom-nav {
    left: 12px;
    right: 12px;
    width: auto;
    transform: none;
  }
}

/* ── Desktop: present the mobile layout as a centered phone-frame ── */
@media (min-width: 768px) {
  body {
    padding: 28px 0;
  }

  /* Every page-level container becomes a glass phone-frame */
  .app-container,
  .yc-page,
  .auth-page,
  .reg-page,
  .notif-page,
  .up-page,
  .ep-page,
  .call-page,
  .gc-page {
    max-width: 440px;
    margin: 0 auto;
    min-height: calc(100vh - 56px);
    background: rgba(255, 255, 255, 0.65);
    backdrop-filter: blur(28px) saturate(180%);
    -webkit-backdrop-filter: blur(28px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.85);
    border-radius: 36px;
    overflow: hidden;
    box-shadow:
      0 40px 80px -16px rgba(15, 23, 42, 0.28),
      0 18px 36px -10px rgba(37, 99, 235, 0.20),
      inset 0 1px 0 rgba(255, 255, 255, 0.95);
  }

  /* The SPA shell ships with inline height:100vh — clamp to fit frame */
  .app-container { height: calc(100vh - 56px) !important; min-height: 0; }

  /* Full-height pages (call/group_call) — same clamp */
  .call-page, .gc-page, .notif-page, .up-page, .ep-page {
    height: calc(100vh - 56px) !important;
    min-height: 0;
  }

  /* Bottom-nav: lift so it lands inside the frame, not below it */
  .bottom-nav { bottom: 44px; }

  /* App-fixed overlays inside the SPA need to be clamped to the frame too */
  .app-fixed-overlay {
    max-width: 440px;
    border-radius: 36px;
    overflow: hidden;
    height: calc(100vh - 56px);
    top: 28px !important;
    bottom: auto !important;
    box-shadow:
      0 40px 80px -16px rgba(15, 23, 42, 0.28),
      0 18px 36px -10px rgba(37, 99, 235, 0.20);
  }

  /* News composer sticks above the lifted nav on desktop */
  #newsComposer { bottom: 108px !important; }
}

/* Larger desktops — slightly wider frame and more breathing room */
@media (min-width: 1280px) {
  body { padding: 36px 0; }
  .app-container,
  .yc-page,
  .auth-page,
  .reg-page,
  .notif-page,
  .up-page,
  .ep-page,
  .call-page,
  .gc-page {
    min-height: calc(100vh - 72px);
  }
  .app-container,
  .call-page, .gc-page, .notif-page, .up-page, .ep-page {
    height: calc(100vh - 72px) !important;
  }
  .app-fixed-overlay {
    height: calc(100vh - 72px);
    top: 36px !important;
  }
}

/* ============================================================
   33. REDUCED MOTION
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  .bg-shape, .voice-wave span { animation: none; }
}