/* =========================================================
   PrevioGo — Design System — liquid glass + glow
   ========================================================= */

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&display=swap');

/* --- Tokens --- */
:root {
  --color-bg-from: #EEF1FB;
  --color-bg-to: #F7F5F0;
  --color-surface: rgba(255,255,255,0.78);
  --color-surface-dark: rgba(15,18,32,0.65);
  --color-blur: 20px;

  --color-text: #1F2933;
  --color-text-secondary: #6B7280;

  --color-indigo: #4F46E5;
  --color-mint: #34C795;
  --color-coral: #FF7A59;
  --color-lavanda: #A79BEF;

  --color-indigo-glow: rgba(79,70,229,0.55);
  --color-mint-glow: rgba(52,199,149,0.55);
  --color-coral-glow: rgba(255,122,89,0.55);
  --color-lavanda-glow: rgba(167,155,239,0.55);

  --radius-large: 28px;
  --radius-medium: 24px;
  --radius-pill: 999px;

  --space-section: 20px;
  --space-card: 16px;

  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --safe-left: env(safe-area-inset-left, 0px);
  --safe-right: env(safe-area-inset-right, 0px);

  --bottom-nav-height: 64px;
  --top-bar-height: 60px;
}

/* --- Dark mode --- */
@media (prefers-color-scheme: dark) {
  :root {
    --color-bg-from: #0B0E1A;
    --color-bg-to: #14101C;
    --color-surface: rgba(15,18,32,0.65);
    --color-text: #F3F4F6;
    --color-text-secondary: #9CA3AF;
    --color-indigo-glow: rgba(79,70,229,0.65);
    --color-mint-glow: rgba(52,199,149,0.65);
    --color-coral-glow: rgba(255,122,89,0.65);
    --color-lavanda-glow: rgba(167,155,239,0.65);
  }
}

[data-theme="dark"] {
  --color-bg-from: #0B0E1A;
  --color-bg-to: #14101C;
  --color-surface: rgba(15,18,32,0.65);
  --color-text: #F3F4F6;
  --color-text-secondary: #9CA3AF;
}

[data-theme="light"] {
  --color-bg-from: #EEF1FB;
  --color-bg-to: #F7F5F0;
  --color-surface: rgba(255,255,255,0.78);
  --color-text: #1F2933;
  --color-text-secondary: #6B7280;
}

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: linear-gradient(135deg, var(--color-bg-from) 0%, var(--color-bg-to) 100%);
  background-attachment: fixed;
  color: var(--color-text);
  min-height: 100dvh;
  overflow-x: hidden;
  display: flex;
  justify-content: center;
  align-items: stretch;
  margin: 0;
  padding: 0;
  width: 100%;
}

#app {
  width: 100%;
  max-width: 480px;
  margin: 0 auto;
  height: 100dvh;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

/* --- Screens --- */
.screen {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  opacity: 0;
  pointer-events: none;
  transform: translateX(100%);
  transition: opacity 0.28s ease, transform 0.28s ease;
  overflow: hidden;
}

.screen.active {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(0);
}


/* --- Top Bar --- */
.top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: max(16px, var(--safe-top));
  padding-left: max(20px, var(--safe-left));
  padding-right: max(20px, var(--safe-right));
  padding-bottom: 12px;
  min-height: calc(var(--top-bar-height) + var(--safe-top));
  background: var(--color-surface);
  backdrop-filter: blur(var(--color-blur));
  -webkit-backdrop-filter: blur(var(--color-blur));
  border-bottom: 1px solid rgba(255,255,255,0.2);
  flex-shrink: 0;
  z-index: 10;
}

.top-bar__logo {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-indigo);
  letter-spacing: -0.02em;
}

.top-bar__title {
  font-size: 1.0625rem;
  font-weight: 500;
  color: var(--color-text);
}

.top-bar--back {
  display: grid;
  grid-template-columns: 48px 1fr 48px;
  place-items: center;
}

/* --- Main Scroll --- */
.main-scroll {
  flex: 1;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  padding: var(--space-section);
  padding-bottom: calc(var(--bottom-nav-height) + var(--safe-bottom) + 16px);
  display: flex;
  flex-direction: column;
  gap: var(--space-section);
}

/* --- Glass Card --- */
.card {
  background: var(--color-surface);
  backdrop-filter: blur(var(--color-blur));
  -webkit-backdrop-filter: blur(var(--color-blur));
  border-radius: var(--radius-large);
  padding: var(--space-card) 20px;
  position: relative;
  overflow: hidden;
  border: 1.5px solid rgba(255,255,255,0.35);
}

.card::before {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: calc(var(--radius-large) + 2px);
  pointer-events: none;
  z-index: 0;
}

.card--indigo::before {
  box-shadow: 0 0 0 2.5px var(--color-indigo-glow), 0 8px 32px var(--color-indigo-glow);
}
.card--mint::before {
  box-shadow: 0 0 0 2.5px var(--color-mint-glow), 0 8px 32px var(--color-mint-glow);
}
.card--coral::before {
  box-shadow: 0 0 0 2.5px var(--color-coral-glow), 0 8px 32px var(--color-coral-glow);
}
.card--lavanda::before {
  box-shadow: 0 0 0 2.5px var(--color-lavanda-glow), 0 8px 32px var(--color-lavanda-glow);
}

.card--glass::before { display: none; }
.card--glass { box-shadow: 0 4px 24px rgba(0,0,0,0.06); }

.card > * { position: relative; z-index: 1; }

.card--hero {
  padding: 24px;
  border-radius: var(--radius-large);
  min-height: 160px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

/* --- Card content --- */
.card__label {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 8px;
}

.card__amount {
  font-size: 3rem;
  font-weight: 300;
  color: var(--color-indigo);
  line-height: 1;
  letter-spacing: -0.03em;
  margin-bottom: 6px;
}

.card--lavanda .card__amount { color: var(--color-lavanda); }
.card--mint .card__amount { color: var(--color-mint); }
.card--coral .card__amount { color: var(--color-coral); }

.card__sub {
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 44px;
  padding: 0 20px;
  font-family: inherit;
  font-size: 0.9375rem;
  font-weight: 500;
  cursor: pointer;
  border: none;
  transition: transform 0.15s ease, opacity 0.15s ease, box-shadow 0.15s ease;
  white-space: nowrap;
}

.btn:active { transform: scale(0.97); }

.btn--pill { border-radius: var(--radius-pill); }

.btn--primary {
  background: var(--color-indigo);
  color: #fff;
  box-shadow: 0 4px 20px var(--color-indigo-glow);
}
.btn--primary:hover { box-shadow: 0 6px 28px var(--color-indigo-glow); }

.btn--mint {
  background: var(--color-mint);
  color: #fff;
  box-shadow: 0 4px 20px var(--color-mint-glow);
}

.btn--ghost {
  background: var(--color-surface);
  color: var(--color-text);
  border: 1.5px solid rgba(255,255,255,0.35);
  backdrop-filter: blur(10px);
}

.btn--glass {
  background: var(--color-surface);
  backdrop-filter: blur(var(--color-blur));
  -webkit-backdrop-filter: blur(var(--color-blur));
  color: var(--color-indigo);
  border: 1.5px solid var(--color-indigo-glow);
  box-shadow: 0 2px 12px var(--color-indigo-glow);
  font-weight: 500;
  flex: 1;
}
.btn--glass:hover { box-shadow: 0 4px 20px var(--color-indigo-glow); }

/* --- Icon Button --- */
.icon-btn {
  width: 44px;
  height: 44px;
  min-width: 44px;
  border-radius: 50%;
  background: var(--color-surface);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1.5px solid rgba(255,255,255,0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--color-text);
  transition: transform 0.15s, box-shadow 0.15s;
  box-shadow: 0 2px 10px rgba(0,0,0,0.07);
  flex-shrink: 0;
}
.icon-btn:active { transform: scale(0.93); }
.icon-btn svg { pointer-events: none; }

/* --- Row of buttons --- */
.row-buttons {
  display: flex;
  gap: 12px;
}

/* --- Section --- */
.section__title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  margin-bottom: 12px;
}

/* --- Item List --- */
.item-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.item-card {
  background: var(--color-surface);
  backdrop-filter: blur(var(--color-blur));
  -webkit-backdrop-filter: blur(var(--color-blur));
  border-radius: var(--radius-medium);
  padding: 14px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border: 1.5px solid rgba(255,255,255,0.3);
  box-shadow: 0 2px 12px rgba(0,0,0,0.05);
  gap: 12px;
  min-height: 64px;
}

.item-card__info { flex: 1; min-width: 0; }
.item-card__desc {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.item-card__detail {
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  margin-top: 2px;
}
.item-card__amount {
  font-size: 1.0625rem;
  font-weight: 500;
  color: var(--color-indigo);
  white-space: nowrap;
  flex-shrink: 0;
}
.item-card__actions {
  display: flex;
  gap: 6px;
  flex-shrink: 0;
}

/* --- Empty / Loading state --- */
.empty-state {
  background: var(--color-surface);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-radius: var(--radius-medium);
  padding: 28px 20px;
  text-align: center;
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  border: 1.5px dashed rgba(79,70,229,0.2);
}

.loading-state {
  text-align: center;
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  padding: 32px;
}

/* --- Input Bar --- */
.input-bar {
  position: fixed;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 480px;
  padding: 10px max(16px, var(--safe-left));
  padding-bottom: max(calc(var(--bottom-nav-height) + 10px), calc(var(--bottom-nav-height) + var(--safe-bottom)));
  background: var(--color-surface);
  backdrop-filter: blur(var(--color-blur));
  -webkit-backdrop-filter: blur(var(--color-blur));
  border-top: 1px solid rgba(255,255,255,0.25);
  display: flex;
  gap: 8px;
  z-index: 20;
  transition: bottom 0.2s ease;
}

.input-bar__field {
  flex: 1;
  min-height: 44px;
  border-radius: var(--radius-pill);
  border: 1.5px solid rgba(79,70,229,0.25);
  padding: 0 18px;
  font-family: inherit;
  font-size: 0.9375rem;
  color: var(--color-text);
  background: var(--color-surface);
  backdrop-filter: blur(10px);
  outline: none;
  transition: border-color 0.2s;
}
.input-bar__field::placeholder { color: var(--color-text-secondary); }
.input-bar__field:focus { border-color: var(--color-indigo); }

.input-bar__send {
  background: var(--color-indigo);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 4px 16px var(--color-indigo-glow);
}
.input-bar__send:hover { box-shadow: 0 6px 24px var(--color-indigo-glow); }

/* --- Bottom Nav --- */
.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 480px;
  display: flex;
  background: var(--color-surface);
  backdrop-filter: blur(var(--color-blur));
  -webkit-backdrop-filter: blur(var(--color-blur));
  border-top: 1px solid rgba(255,255,255,0.25);
  padding-bottom: max(8px, var(--safe-bottom));
  z-index: 30;
}

.nav-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  min-height: 56px;
  padding: 8px 4px;
  background: none;
  border: none;
  color: var(--color-text-secondary);
  font-family: inherit;
  font-size: 0.6875rem;
  font-weight: 500;
  cursor: pointer;
  transition: color 0.15s;
}
.nav-item.active {
  color: var(--color-indigo);
}
.nav-item:active { opacity: 0.7; }

/* --- Modal --- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(10,12,25,0.55);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 50;
  display: flex;
  align-items: flex-end;
  padding: 0;
  animation: fadeIn 0.2s ease;
}

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideUp { from { transform: translateY(100%); } to { transform: translateY(0); } }

.modal {
  width: 100%;
  max-width: 480px;
  margin: 0 auto;
  background: var(--color-surface);
  backdrop-filter: blur(var(--color-blur));
  -webkit-backdrop-filter: blur(var(--color-blur));
  border-radius: var(--radius-large) var(--radius-large) 0 0;
  padding: 20px 20px max(20px, var(--safe-bottom));
  border: 1.5px solid rgba(255,255,255,0.35);
  box-shadow: 0 -8px 40px rgba(79,70,229,0.15);
  animation: slideUp 0.28s cubic-bezier(0.34,1.56,0.64,1);
}

.modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}
.modal__title {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--color-text);
}
.modal__body {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 20px;
}
.modal__actions {
  display: flex;
  gap: 10px;
}
.modal__actions .btn { flex: 1; }

/* --- Fields --- */
.field-pill {
  width: 100%;
  min-height: 44px;
  border-radius: var(--radius-pill);
  border: 1.5px solid rgba(79,70,229,0.2);
  padding: 0 18px;
  font-family: inherit;
  font-size: 0.9375rem;
  color: var(--color-text);
  background: var(--color-surface);
  outline: none;
  transition: border-color 0.2s;
}
.field-pill::placeholder { color: var(--color-text-secondary); }
.field-pill:focus { border-color: var(--color-indigo); }

.field-pill--small {
  width: 80px;
  text-align: center;
}

.input-area {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* --- Onboarding --- */
.onboarding-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100dvh;
  padding: max(48px, var(--safe-top)) 32px max(48px, var(--safe-bottom));
  gap: 32px;
}

.onboarding-slides { width: 100%; position: relative; min-height: 340px; }

.onboarding-slide {
  display: none;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 16px;
  animation: fadeIn 0.3s ease;
}
.onboarding-slide.active { display: flex; }

.onboarding-title {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.3;
}

.onboarding-body {
  font-size: 1rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  max-width: 320px;
}

.onboarding-illustration {
  width: 140px;
  height: 140px;
  position: relative;
  margin-bottom: 12px;
}

/* Illustration shapes */
.illus-circle {
  position: absolute;
  border-radius: 50%;
}
.illus-circle--indigo {
  width: 90px; height: 90px;
  background: radial-gradient(circle at 35% 35%, rgba(79,70,229,0.35), rgba(79,70,229,0.08));
  border: 2px solid var(--color-indigo-glow);
  top: 10px; left: 10px;
  box-shadow: 0 4px 24px var(--color-indigo-glow);
}
.illus-circle--mint {
  width: 60px; height: 60px;
  background: radial-gradient(circle at 35% 35%, rgba(52,199,149,0.35), rgba(52,199,149,0.08));
  border: 2px solid var(--color-mint-glow);
  bottom: 10px; right: 10px;
  box-shadow: 0 4px 20px var(--color-mint-glow);
}
.illus-line {
  position: absolute;
  width: 2px; height: 60px;
  background: linear-gradient(to bottom, var(--color-indigo), transparent);
  left: 50%; top: 30px;
  opacity: 0.5;
}
.illus-chat { position: relative; width: 100%; height: 100%; }
.illus-bubble {
  position: absolute;
  border-radius: var(--radius-medium);
  background: var(--color-surface);
  border: 1.5px solid var(--color-indigo-glow);
  box-shadow: 0 4px 20px var(--color-indigo-glow);
}
.illus-bubble--right { width: 100px; height: 44px; right: 0; top: 20px; }
.illus-bubble--left { left: 0; top: 80px; }
.illus-bubble--small { width: 70px; height: 36px; border-color: var(--color-mint-glow); box-shadow: 0 4px 20px var(--color-mint-glow); }
.illus-server-body {
  width: 80px; height: 100px;
  border-radius: 12px;
  background: var(--color-surface);
  border: 2px solid var(--color-indigo-glow);
  box-shadow: 0 4px 24px var(--color-indigo-glow);
  position: absolute;
  left: 50%; top: 50%;
  transform: translate(-50%,-50%);
}
.illus-server-light {
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--color-mint);
  box-shadow: 0 0 10px var(--color-mint);
  position: absolute;
  left: 50%; top: 45%;
  transform: translate(-50%,-50%);
}

/* --- Dots --- */
.onboarding-dots { display: flex; gap: 8px; }
.dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--color-text-secondary);
  opacity: 0.3;
  transition: all 0.25s;
  cursor: pointer;
}
.dot.active {
  opacity: 1;
  background: var(--color-indigo);
  width: 24px;
  border-radius: var(--radius-pill);
  box-shadow: 0 0 8px var(--color-indigo-glow);
}

/* --- Toast --- */
.toast {
  position: fixed;
  top: max(24px, var(--safe-top));
  left: 50%;
  transform: translateX(-50%) translateY(-20px);
  background: var(--color-text);
  color: var(--color-bg-from);
  padding: 12px 22px;
  border-radius: var(--radius-pill);
  font-size: 0.875rem;
  font-weight: 500;
  z-index: 100;
  white-space: nowrap;
  opacity: 0;
  transition: opacity 0.2s, transform 0.2s;
  pointer-events: none;
}
.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* --- Proyección --- */
.mes-card {
  background: var(--color-surface);
  backdrop-filter: blur(var(--color-blur));
  -webkit-backdrop-filter: blur(var(--color-blur));
  border-radius: var(--radius-medium);
  border: 1.5px solid rgba(255,255,255,0.3);
  overflow: hidden;
}
.mes-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 18px;
  cursor: pointer;
  min-height: 60px;
}
.mes-card__mes {
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-text);
  text-transform: capitalize;
}
.mes-card__total {
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--color-indigo);
}
.mes-card__detail {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  border-top: 0px solid rgba(255,255,255,0.2);
}
.mes-card__detail.open {
  max-height: 500px;
  border-top-width: 1px;
}
.mes-card__detail-inner {
  padding: 12px 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.detalle-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  gap: 8px;
}
.detalle-item span:last-child { color: var(--color-text); font-weight: 500; }

/* --- Simular resultado --- */
.simular-resultado { display: flex; flex-direction: column; gap: 12px; }
.simular-cards-row { display: flex; gap: 12px; }
.simular-cards-row .card { flex: 1; min-width: 0; }
.simular-impacto {
  background: var(--color-surface);
  border-radius: var(--radius-medium);
  padding: 16px 18px;
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  border: 1.5px solid rgba(255,255,255,0.3);
}
.simular-impacto strong { color: var(--color-text); }
.simular-actions { display: flex; gap: 10px; }
.simular-actions .btn { flex: 1; }

/* --- Toggle switch --- */
.toggle {
  position: relative;
  width: 44px;
  height: 26px;
  flex-shrink: 0;
}
.toggle input { opacity: 0; width: 0; height: 0; }
.toggle-slider {
  position: absolute;
  inset: 0;
  background: rgba(79,70,229,0.15);
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: background 0.2s;
}
.toggle-slider::before {
  content: '';
  position: absolute;
  height: 20px; width: 20px;
  left: 3px; top: 3px;
  background: #fff;
  border-radius: 50%;
  transition: transform 0.2s;
}
.toggle input:checked + .toggle-slider { background: var(--color-indigo); }
.toggle input:checked + .toggle-slider::before { transform: translateX(18px); }

/* --- Tarjeta item card --- */
.tarjeta-card {
  border-left: 3px solid var(--color-indigo);
}
.tarjeta-card__total { font-size: 0.875rem; color: var(--color-indigo); font-weight: 500; }

/* --- Config --- */
.config-section-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  margin-bottom: 16px;
}
.config-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: 0.9375rem;
  color: var(--color-text);
}
.radio-group { display: flex; gap: 16px; }
.radio-option {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.9375rem;
  color: var(--color-text);
  cursor: pointer;
}

/* --- Menu list --- */
.menu-list { display: flex; flex-direction: column; gap: 10px; list-style: none; }
.menu-item {
  width: 100%;
  text-align: left;
  background: var(--color-surface);
  backdrop-filter: blur(var(--color-blur));
  border-radius: var(--radius-medium);
  padding: 18px 20px;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-text);
  border: 1.5px solid rgba(255,255,255,0.3);
  cursor: pointer;
  transition: box-shadow 0.15s;
}
.menu-item:active { opacity: 0.8; }
.menu-item:hover { box-shadow: 0 4px 20px var(--color-indigo-glow); }

/* --- Filter bar --- */
.filter-bar { display: flex; gap: 10px; }
.filter-select {
  min-height: 40px;
  border-radius: var(--radius-pill);
  border: 1.5px solid rgba(79,70,229,0.2);
  padding: 0 16px;
  font-family: inherit;
  font-size: 0.875rem;
  color: var(--color-text);
  background: var(--color-surface);
  outline: none;
  cursor: pointer;
}

/* --- Responsive: >480px center --- */
@media (min-width: 481px) {
  body { display: flex; justify-content: center; }
  #app { box-shadow: 0 0 80px rgba(79,70,229,0.08); }
  .input-bar, .bottom-nav { border-radius: 0; }
}

/* --- Scrollbar --- */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(79,70,229,0.2); border-radius: 2px; }