/* ==========================================================================
   Life in Weeks (5,200 Dots) - Fullscreen Immersive Canvas & Unified Squares
   ========================================================================== */

:root {
  --bg-app: #0c0218;
  --bg-canvas-backdrop: #130426;
  --bg-glass: rgba(22, 6, 44, 0.78);
  --bg-input: #290d52;
  --border-subtle: #37176a;
  --border-glass: rgba(130, 70, 220, 0.28);

  /* High contrast typography */
  --text-pure: #ffffff;
  --text-vibrant: #f2ebff;
  --text-muted: #c9b9e6;
  --text-subtle: #8e7bb0;

  /* State colors - Lived and Beyond squares are IDENTICAL */
  --color-square-fill: #3e1975;
  --color-square-stroke: #733cbd;
  --color-today: #00f5d4;
  --color-remaining: #ff2a6d;

  --accent-pink: #ff2a6d;
  --accent-cyan: #00f5d4;
  --accent-purple: #9d4edd;

  --font-system: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --transition-smooth: 0.22s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html, body {
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
  overflow: hidden;
  background-color: var(--bg-app);
  background-image: radial-gradient(circle at 50% 50%, #1c0638 0%, var(--bg-app) 85%);
  font-family: var(--font-system);
  color: var(--text-vibrant);
  -webkit-font-smoothing: antialiased;
}

body.a11y-mode {
  --color-past-shape: rounded-square;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* App Layout - 100% Fullscreen Viewport */
.app-layout {
  position: relative;
  width: 100vw;
  height: 100vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* Floating Glassmorphic Top Header */
.floating-header {
  position: fixed;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 50;
  pointer-events: auto;
}

.header-inner {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.6), 0 0 16px rgba(157, 78, 221, 0.15);
  border-radius: 999px;
  padding: 0.35rem 0.95rem;
}

.logo-title {
  font-size: 0.95rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  background: linear-gradient(135deg, #ffffff 30%, var(--accent-pink) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  white-space: nowrap;
  padding-left: 0.2rem;
}

.header-divider {
  width: 1px;
  height: 18px;
  background: rgba(255, 255, 255, 0.12);
}

.inline-control {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.inline-label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-muted);
  white-space: nowrap;
}

.stepper-wrap {
  display: inline-flex;
  align-items: center;
  background: rgba(30, 10, 58, 0.9);
  border: 1px solid rgba(130, 70, 220, 0.35);
  border-radius: 999px;
  padding: 2px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4), inset 0 1px 1px rgba(255, 255, 255, 0.08);
  transition: border-color var(--transition-smooth), box-shadow var(--transition-smooth);
}

.stepper-wrap:focus-within {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 2px rgba(0, 245, 212, 0.3), 0 2px 10px rgba(0, 0, 0, 0.5);
}

/* Age Control Theme: Neon Coral / Hot Pink */
.stepper-age {
  border-color: rgba(255, 42, 109, 0.38);
}

.stepper-age:hover {
  border-color: rgba(255, 42, 109, 0.7);
  box-shadow: 0 0 12px rgba(255, 42, 109, 0.25);
}

.stepper-age .btn-step {
  color: #ff6b97;
}

.stepper-age .btn-step:hover {
  background: rgba(255, 42, 109, 0.25);
  color: #ffffff;
  box-shadow: 0 0 8px rgba(255, 42, 109, 0.5);
}

/* Live Until Control Theme: Amethyst & Cyan */
.stepper-target {
  border-color: rgba(157, 78, 221, 0.42);
}

.stepper-target:hover {
  border-color: rgba(0, 245, 212, 0.6);
  box-shadow: 0 0 12px rgba(0, 245, 212, 0.2);
}

.stepper-target .btn-step {
  color: #bfa3ff;
}

.stepper-target .btn-step:hover {
  background: rgba(157, 78, 221, 0.28);
  color: var(--accent-cyan);
  box-shadow: 0 0 8px rgba(0, 245, 212, 0.4);
}

.btn-step {
  background: rgba(255, 255, 255, 0.04);
  border: none;
  border-radius: 50%;
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-smooth);
}

.btn-step:active {
  transform: scale(0.88);
}

.btn-step:focus-visible {
  outline: 2px solid var(--accent-cyan);
  outline-offset: 1px;
}

.stepper-input {
  background: transparent;
  border: none;
  color: #ffffff;
  font-size: 0.82rem;
  font-weight: 700;
  width: 36px;
  text-align: center;
  height: 22px;
  outline: none;
  letter-spacing: -0.01em;
  -moz-appearance: textfield;
  appearance: textfield;
}

input[type="number"],
.stepper-input {
  -moz-appearance: textfield;
  appearance: textfield;
}

input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button,
.stepper-input::-webkit-inner-spin-button, 
.stepper-input::-webkit-outer-spin-button { 
  -webkit-appearance: none; 
  margin: 0; 
}

/* Stat Badge in Header */
.stat-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--text-vibrant);
  white-space: nowrap;
  background: rgba(255, 255, 255, 0.05);
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.badge-dot {
  color: var(--accent-pink);
}

/* Options Button */
.btn-options {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-vibrant);
  border: 1px solid var(--border-glass);
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-smooth);
}

.btn-options:hover {
  background: var(--border-subtle);
  color: var(--text-pure);
  border-color: var(--accent-pink);
}

.btn-options:focus-visible {
  outline: 2px solid var(--accent-cyan);
}

/* Fullscreen Canvas Container */
.fullscreen-canvas-container {
  width: 100vw;
  height: 100vh;
  position: fixed;
  top: 0;
  left: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  z-index: 10;
}

canvas#weeksCanvas {
  display: block;
  cursor: crosshair;
  outline: none;
  opacity: 0;
  transition: opacity 0.35s ease-out;
}

canvas#weeksCanvas.canvas-ready {
  opacity: 1;
}

canvas#weeksCanvas:focus-visible {
  box-shadow: 0 0 0 2px var(--accent-cyan);
}

/* Floating "TODAY" Callout Badge */
.today-callout {
  position: absolute;
  top: 0;
  left: 0;
  transform: translate(-50%, -100%);
  pointer-events: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  z-index: 25;
  transition: opacity 0.2s ease, transform 0.16s cubic-bezier(0.2, 0.8, 0.4, 1);
  filter: drop-shadow(0 4px 14px rgba(0, 0, 0, 0.8));
}

.callout-box {
  background: #0f0322;
  color: #ffffff;
  border: 2px solid var(--accent-pink);
  font-weight: 800;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  padding: 3px 8px;
  border-radius: 5px;
  box-shadow: 0 0 14px rgba(255, 42, 109, 0.55);
  animation: todayGlowPulse 2.5s infinite ease-in-out;
}

.callout-pin {
  width: 2px;
  height: 9px;
  background: var(--color-today);
  box-shadow: 0 0 6px var(--color-today);
}

@keyframes todayGlowPulse {
  0%, 100% {
    box-shadow: 0 0 10px rgba(255, 42, 109, 0.45);
    border-color: #ff2a6d;
  }
  50% {
    box-shadow: 0 0 20px rgba(255, 42, 109, 0.85);
    border-color: #ff5e91;
  }
}

/* Tooltip */
.week-tooltip {
  position: absolute;
  top: 0;
  left: 0;
  background: rgba(14, 3, 30, 0.96);
  backdrop-filter: blur(12px);
  border: 1px solid var(--accent-cyan);
  border-radius: 8px;
  padding: 0.55rem 0.8rem;
  font-size: 0.8rem;
  color: var(--text-pure);
  pointer-events: none;
  box-shadow: 0 10px 32px rgba(0, 0, 0, 0.8), 0 0 14px rgba(0, 245, 212, 0.35);
  transform: translate(-50%, -125%);
  transition: opacity 0.12s ease;
  z-index: 30;
  display: none;
  white-space: nowrap;
}

.tooltip-title {
  font-weight: 700;
  color: var(--accent-cyan);
  margin-bottom: 0.15rem;
}

.tooltip-detail {
  color: var(--text-muted);
  font-size: 0.75rem;
}

/* Floating Bottom Legend */
.floating-footer {
  position: fixed;
  bottom: 12px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 50;
  pointer-events: none;
}

.legend-strip {
  display: inline-flex;
  align-items: center;
  gap: 1.25rem;
  background: rgba(19, 4, 38, 0.7);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  padding: 0.25rem 0.85rem;
  font-size: 0.72rem;
  color: var(--text-muted);
}

.legend-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.swatch-shape {
  display: inline-block;
  width: 10px;
  height: 10px;
}

/* Identical Lived & Beyond squares */
.swatch-past-square {
  background: var(--color-square-fill);
  border: 1.5px solid var(--color-square-stroke);
  border-radius: 2.5px;
}

.swatch-today-dot {
  background: var(--color-today);
  border-radius: 50%;
  box-shadow: 0 0 6px var(--color-today);
}

.swatch-remaining-circle {
  background: var(--color-remaining);
  border-radius: 50%;
  box-shadow: 0 0 6px var(--color-remaining);
}

/* Legend Credit Link in Floating Footer */
.legend-credit {
  pointer-events: auto;
}

.credit-sep {
  opacity: 0.35;
}

.credit-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 600;
  transition: all var(--transition-smooth);
}

.credit-link svg {
  color: #ff0000;
  filter: drop-shadow(0 0 4px rgba(255, 0, 0, 0.4));
}

.credit-link:hover {
  color: var(--text-pure);
  text-shadow: 0 0 8px rgba(255, 42, 109, 0.4);
}

/* Options Drawer */
.drawer-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(5, 1, 12, 0.75);
  backdrop-filter: blur(4px);
  z-index: 200;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-smooth);
}

.drawer-backdrop.is-open {
  opacity: 1;
  pointer-events: auto;
}

.options-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  max-width: 400px;
  background: #14042c;
  border-left: 1px solid var(--border-subtle);
  box-shadow: -10px 0 35px rgba(0, 0, 0, 0.75);
  z-index: 201;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform var(--transition-smooth);
}

.options-drawer.is-open {
  transform: translateX(0);
}

.drawer-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.drawer-header h2 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-pure);
}

.btn-close {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.25rem;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color var(--transition-smooth);
}

.btn-close:hover {
  color: var(--text-pure);
  background: rgba(255, 255, 255, 0.08);
}

.btn-close:focus-visible {
  outline: 2px solid var(--accent-cyan);
}

.drawer-body {
  flex: 1;
  overflow-y: auto;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.drawer-section {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  padding-bottom: 1.25rem;
}

.section-title-wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.section-title-wrap label, .section-heading {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-pure);
}

.section-val {
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--accent-cyan);
}

.drawer-hint {
  font-size: 0.76rem;
  color: var(--text-subtle);
}

/* Sliders */
.drawer-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 8px;
  background: var(--bg-input);
  border-radius: 4px;
  outline: none;
}

.drawer-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--accent-pink);
  border: 2px solid #ffffff;
  box-shadow: 0 0 10px var(--accent-pink);
  cursor: pointer;
}

.drawer-slider::-webkit-slider-thumb:hover {
  transform: scale(1.15);
}

.drawer-slider::-moz-range-thumb {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--accent-pink);
  border: 2px solid #ffffff;
}

.slider-purple::-webkit-slider-thumb {
  background: var(--accent-purple);
  box-shadow: 0 0 10px var(--accent-purple);
}

.drawer-slider:focus-visible {
  outline: 2px solid var(--accent-cyan);
  outline-offset: 4px;
}

/* Toggle row */
.drawer-toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  user-select: none;
}

.drawer-toggle-row input {
  opacity: 0;
  width: 0;
  height: 0;
  position: absolute;
}

.toggle-info {
  display: flex;
  flex-direction: column;
}

.toggle-info strong {
  font-size: 0.88rem;
  color: var(--text-pure);
}

.toggle-info small {
  font-size: 0.76rem;
  color: var(--text-muted);
}

.toggle-track {
  position: relative;
  display: inline-block;
  width: 42px;
  height: 22px;
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: 22px;
  transition: background 0.2s;
  flex-shrink: 0;
}

.toggle-track::before {
  content: "";
  position: absolute;
  height: 16px;
  width: 16px;
  left: 2px;
  bottom: 2px;
  background: #ffffff;
  border-radius: 50%;
  transition: transform 0.2s;
}

.drawer-toggle-row input:checked + .toggle-track {
  background: var(--accent-pink);
}

.drawer-toggle-row input:checked + .toggle-track::before {
  transform: translateX(20px);
}

/* Birthdate & Actions */
.birthdate-flex {
  display: flex;
  gap: 0.6rem;
  align-items: center;
}

.drawer-date-input {
  flex: 1;
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  color: #ffffff;
  padding: 0.45rem 0.65rem;
  border-radius: 6px;
  font-size: 0.82rem;
}

.drawer-date-input:focus {
  outline: 2px solid var(--accent-cyan);
}

.btn-drawer-primary, .btn-drawer-action {
  padding: 0.5rem 0.85rem;
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-smooth);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
}

.btn-drawer-primary {
  background: rgba(0, 245, 212, 0.1);
  border: 1px solid var(--accent-cyan);
  color: var(--accent-cyan);
}

.btn-drawer-primary:hover {
  background: var(--accent-cyan);
  color: #000000;
}

.btn-drawer-action {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  color: var(--text-vibrant);
  padding: 0.6rem;
}

.btn-drawer-action:hover {
  background: var(--border-subtle);
  color: #ffffff;
  border-color: var(--accent-cyan);
}

/* Decades table in drawer */
.drawer-details summary {
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
}

.drawer-details summary:hover {
  color: var(--text-pure);
}

.table-scroll {
  margin-top: 0.6rem;
  max-height: 180px;
  overflow-y: auto;
}

.decades-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.75rem;
  text-align: left;
}

.decades-table th, .decades-table td {
  padding: 0.35rem 0.45rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.decades-table th {
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.03);
}

/* Credits & Inspiration Section in Drawer */
.credits-section {
  border-bottom: none !important;
  padding-bottom: 0.5rem !important;
}

.credit-card {
  background: rgba(25, 8, 52, 0.65);
  border: 1px solid rgba(157, 78, 221, 0.3);
  border-radius: 10px;
  padding: 0.85rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  transition: border-color var(--transition-smooth), box-shadow var(--transition-smooth);
}

.credit-card:hover {
  border-color: rgba(255, 42, 109, 0.5);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3), 0 0 12px rgba(255, 42, 109, 0.15);
}

.credit-quote {
  font-style: italic;
  font-size: 0.76rem;
  color: var(--text-vibrant);
  line-height: 1.45;
  border-left: 2px solid var(--accent-pink);
  padding-left: 0.6rem;
}

.credit-meta {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  font-size: 0.72rem;
  color: var(--text-subtle);
}

.kurzgesagt-link {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.4rem;
  color: var(--accent-cyan);
  text-decoration: none;
  font-size: 0.8rem;
  transition: all var(--transition-smooth);
}

.kurzgesagt-brand {
  font-weight: 700;
  color: #ffffff;
}

.kurzgesagt-title {
  color: var(--accent-pink);
  font-style: italic;
}

.kurzgesagt-link:hover {
  transform: translateX(2px);
}

.kurzgesagt-link:hover .kurzgesagt-brand {
  color: var(--accent-cyan);
}

/* Prefers-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;
  }
  .callout-box {
    animation: none !important;
  }
  canvas#weeksCanvas {
    transition: none !important;
  }
  .options-drawer {
    transition: none !important;
  }
}

/* Mobile responsive */
@media (max-width: 768px) {
  .floating-header {
    top: 8px;
    width: 96%;
  }

  .header-inner {
    width: 100%;
    justify-content: space-between;
    padding: 0.3rem 0.6rem;
    gap: 0.4rem;
  }

  .stat-badge {
    display: none;
  }

  /* Legend is always visible on all screen sizes */
  .floating-footer {
    bottom: 8px;
    width: 96%;
  }

  .legend-strip {
    width: 100%;
    justify-content: center;
    padding: 0.25rem 0.5rem;
    font-size: 0.68rem;
    gap: 0.6rem;
  }

  .intro-card {
    padding: 1.6rem 1.25rem;
    max-width: 92vw;
  }

  .intro-title {
    font-size: 1.5rem;
  }

  .intro-desc {
    font-size: 0.84rem;
  }
}

/* ==========================================================================
   Animated Intro Modal Overlay
   ========================================================================== */
.intro-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(8, 2, 16, 0.78);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  z-index: 300;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.intro-backdrop.is-open {
  opacity: 1;
  pointer-events: auto;
}

.intro-modal-wrap {
  position: fixed;
  inset: 0;
  z-index: 301;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.25rem;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.intro-modal-wrap.is-open {
  opacity: 1;
  pointer-events: auto;
}

.intro-modal-wrap.is-closing {
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.intro-modal-wrap.is-closing .intro-card {
  transform: scale(0.94) translateY(-18px);
  transition: transform 0.3s ease;
}

.intro-card {
  position: relative;
  width: 100%;
  max-width: 480px;
  background: rgba(22, 7, 44, 0.94);
  border: 1px solid rgba(157, 78, 221, 0.4);
  border-radius: 24px;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.8), 0 0 50px rgba(157, 78, 221, 0.22);
  padding: 2.25rem 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  transform: scale(0.92) translateY(14px);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  overflow: hidden;
}

.intro-modal-wrap.is-open .intro-card {
  transform: scale(1) translateY(0);
}

.intro-card::before {
  content: '';
  position: absolute;
  top: -60px;
  left: 50%;
  transform: translateX(-50%);
  width: 240px;
  height: 120px;
  background: radial-gradient(circle, rgba(255, 42, 109, 0.35) 0%, rgba(0, 245, 212, 0.15) 55%, transparent 75%);
  pointer-events: none;
}

.intro-sparkle-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.32rem 0.9rem;
  background: rgba(157, 78, 221, 0.24);
  border: 1px solid rgba(157, 78, 221, 0.48);
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--accent-cyan);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.85rem;
}

.sparkle-icon {
  font-size: 0.9rem;
}

.intro-title {
  font-size: 1.9rem;
  font-weight: 800;
  letter-spacing: -0.025em;
  margin-bottom: 0.65rem;
  background: linear-gradient(135deg, #ffffff 30%, #e8d0ff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.intro-desc {
  font-size: 0.92rem;
  line-height: 1.55;
  color: var(--text-muted);
  margin-bottom: 1.75rem;
  max-width: 400px;
}

.intro-form {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.intro-field {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  text-align: left;
}

.intro-label-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

.intro-label {
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--text-vibrant);
}

.intro-hint-tag {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--accent-cyan);
}

.intro-stepper-wrap {
  display: flex;
  align-items: center;
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  padding: 0.3rem 0.4rem;
  transition: border-color var(--transition-smooth), box-shadow var(--transition-smooth);
}

.intro-stepper-wrap:focus-within {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 16px rgba(0, 245, 212, 0.28);
}

.btn-intro-step {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  border: none;
  background: rgba(255, 255, 255, 0.07);
  color: var(--text-vibrant);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-smooth), color var(--transition-smooth);
}

.btn-intro-step:hover {
  background: rgba(255, 255, 255, 0.16);
  color: #fff;
}

.btn-intro-step:focus-visible {
  outline: 2px solid var(--accent-cyan);
}

.intro-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-pure);
  text-align: center;
  font-variant-numeric: tabular-nums;
  -moz-appearance: textfield;
}

.intro-input::-webkit-outer-spin-button,
.intro-input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.intro-actions {
  margin-top: 0.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  width: 100%;
}

.btn-start-journey {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  width: 100%;
  padding: 0.95rem 1.5rem;
  background: linear-gradient(135deg, #ff2a6d 0%, #9d4edd 100%);
  border: none;
  border-radius: 14px;
  color: #ffffff;
  font-size: 1.02rem;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 8px 25px rgba(255, 42, 109, 0.38);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.btn-start-journey:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(255, 42, 109, 0.5);
}

.btn-start-journey:active {
  transform: translateY(0);
}

.btn-start-journey:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 2px;
}

.btn-skip-intro {
  background: transparent;
  border: none;
  color: var(--text-subtle);
  font-size: 0.82rem;
  cursor: pointer;
  padding: 0.4rem;
  transition: color var(--transition-smooth);
}

.btn-skip-intro:hover {
  color: var(--text-vibrant);
  text-decoration: underline;
}

.btn-skip-intro:focus-visible {
  outline: 2px solid var(--accent-cyan);
}