/* ============================================
   Mariam's Adventure — Premium Cinematic UI
   ============================================ */

:root {
  --bg: #09090B;
  --bg-elevated: rgba(24, 18, 28, 0.55);
  --glass: rgba(255, 255, 255, 0.06);
  --glass-border: rgba(255, 255, 255, 0.12);
  --glass-hover: rgba(255, 255, 255, 0.1);
  --pink: #E8A0BF;
  --pink-soft: #F2C4D8;
  --purple: #B794F6;
  --purple-deep: #7C5CBF;
  --gold: #F5D78E;
  --gold-soft: #FFE9B5;
  --text: #F7F4F8;
  --text-muted: rgba(247, 244, 248, 0.65);
  --text-dim: rgba(247, 244, 248, 0.4);
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
  --radius: 20px;
  --radius-sm: 14px;
  --font-body: "Poppins", system-ui, sans-serif;
  --font-display: "Playfair Display", Georgia, serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --transition: 0.55s var(--ease);
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
}

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

html {
  height: 100%;
  scroll-behavior: smooth;
}

body {
  min-height: 100%;
  min-height: 100dvh;
  font-family: var(--font-body);
  font-weight: 400;
  color: var(--text);
  background: var(--bg);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
}

.bg-photo {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background: url("../assets/bg.jpg") center 55% / cover no-repeat;
  opacity: 0.28;
  filter: saturate(0.7) brightness(0.5) contrast(1.05);
}

@media (max-width: 640px) {
  .bg-photo {
    background-position: center 45%;
  }
}

@media (min-aspect-ratio: 16/10) {
  .bg-photo {
    background-position: center 58%;
  }
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    linear-gradient(
      180deg,
      rgba(9, 9, 11, 0.5) 0%,
      rgba(9, 9, 11, 0.68) 45%,
      rgba(9, 9, 11, 0.85) 100%
    ),
    radial-gradient(ellipse 80% 50% at 20% 10%, rgba(124, 92, 191, 0.18), transparent 55%),
    radial-gradient(ellipse 70% 45% at 85% 20%, rgba(232, 160, 191, 0.14), transparent 50%),
    radial-gradient(ellipse 60% 40% at 50% 90%, rgba(245, 215, 142, 0.08), transparent 55%);
  z-index: 1;
  pointer-events: none;
}

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

button:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

[hidden] {
  display: none !important;
}

/* ---------- Layers ---------- */

.particles,
.hearts-layer,
.confetti-layer {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 2;
}

.hearts-layer {
  z-index: 40;
  overflow: hidden;
}

.confetti-layer {
  z-index: 35;
  overflow: hidden;
}

.app {
  position: relative;
  z-index: 2;
  min-height: 100dvh;
  display: grid;
  place-items: center;
  padding: calc(72px + var(--safe-top)) 1.25rem calc(2rem + var(--safe-bottom));
}

/* ---------- Loader ---------- */

.loader {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  background: var(--bg);
  transition: opacity 0.7s var(--ease), visibility 0.7s;
}

.loader.is-done {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loader__inner {
  text-align: center;
  padding: 2rem;
}

.loader__heart {
  font-size: 2.5rem;
  color: var(--pink);
  animation: heartbeat 1.2s ease-in-out infinite;
  margin-bottom: 1.25rem;
  filter: drop-shadow(0 0 18px rgba(232, 160, 191, 0.5));
}

.loader__text {
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: var(--text-muted);
  letter-spacing: 0.02em;
  margin-bottom: 1.5rem;
}

.loader__bar {
  width: min(220px, 60vw);
  height: 3px;
  margin: 0 auto;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 99px;
  overflow: hidden;
}

.loader__bar-fill {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--purple), var(--pink), var(--gold));
  border-radius: inherit;
  animation: loadFill 1.6s var(--ease) forwards;
}

@keyframes loadFill {
  to { width: 100%; }
}

@keyframes heartbeat {
  0%, 100% { transform: scale(1); }
  40% { transform: scale(1.18); }
  60% { transform: scale(0.96); }
}

/* ---------- Progress ---------- */

.progress {
  position: fixed;
  top: calc(1rem + var(--safe-top));
  left: 50%;
  transform: translateX(-50%);
  z-index: 50;
  width: min(420px, calc(100% - 10rem));
  opacity: 0;
  transition: opacity 0.5s var(--ease);
}

.progress.is-visible {
  opacity: 1;
}

.progress__track {
  height: 3px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 99px;
  overflow: hidden;
  margin-bottom: 0.65rem;
}

.progress__fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--purple), var(--pink), var(--gold));
  border-radius: inherit;
  transition: width 0.6s var(--ease);
  box-shadow: 0 0 12px rgba(232, 160, 191, 0.45);
}

.progress__dots {
  display: flex;
  justify-content: space-between;
  gap: 0.35rem;
}

.progress__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
  transition: background 0.35s, transform 0.35s, box-shadow 0.35s;
}

.progress__dot.is-done,
.progress__dot.is-active {
  background: var(--gold);
  box-shadow: 0 0 8px rgba(245, 215, 142, 0.55);
}

.progress__dot.is-active {
  transform: scale(1.35);
}

/* ---------- Restart ---------- */

.restart-btn {
  position: fixed;
  top: calc(0.85rem + var(--safe-top));
  left: 1rem;
  z-index: 50;
  padding: 0.45rem 0.85rem;
  border-radius: 999px;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--text-muted);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.4s var(--ease), visibility 0.4s, background 0.3s, color 0.3s, transform 0.25s;
}

.restart-btn.is-visible {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.restart-btn:hover {
  background: var(--glass-hover);
  color: var(--text);
  transform: translateY(-1px);
}

/* ---------- Screens ---------- */

.screen {
  width: min(720px, 100%);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  position: absolute;
  transform: translateY(18px) scale(0.985);
  transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
}

.screen--active {
  position: relative;
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0) scale(1);
}

.screen.is-leaving {
  opacity: 0;
  transform: translateY(-14px) scale(0.985);
}

.screen__content {
  text-align: center;
}

.screen__content--hero {
  padding: 1rem 0 2rem;
}

.screen__content--final {
  padding-bottom: 1rem;
}

.eyebrow {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1.25rem;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 8vw, 4.2rem);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin-bottom: 1.1rem;
  background: linear-gradient(135deg, var(--text) 20%, var(--pink-soft) 55%, var(--gold-soft) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.heart-inline {
  background: none;
  -webkit-background-clip: initial;
  background-clip: initial;
  color: var(--pink);
  filter: drop-shadow(0 0 12px rgba(232, 160, 191, 0.45));
}

.hero-sub {
  font-size: clamp(1rem, 2.8vw, 1.2rem);
  font-weight: 300;
  color: var(--text-muted);
  max-width: 28ch;
  margin: 0 auto 2.25rem;
  font-style: italic;
  font-family: var(--font-display);
}

.screen-title {
  font-family: var(--font-display);
  font-size: clamp(1.65rem, 5vw, 2.35rem);
  font-weight: 600;
  margin-bottom: 0.5rem;
  letter-spacing: -0.01em;
}

.screen-hint {
  color: var(--text-dim);
  font-size: 0.95rem;
  margin-bottom: 2rem;
  font-weight: 300;
}

/* Fade-up entrance helpers */
.fade-up {
  opacity: 0;
  transform: translateY(22px);
  animation: fadeUp 0.9s var(--ease) forwards;
}

.delay-1 { animation-delay: 0.15s; }
.delay-2 { animation-delay: 0.3s; }
.delay-3 { animation-delay: 0.45s; }

@keyframes fadeUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.95rem 2.1rem;
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  transition: transform 0.35s var(--ease), box-shadow 0.35s, background 0.35s, filter 0.35s;
}

.btn--primary {
  background: linear-gradient(135deg, var(--purple-deep), #9B6BB8 40%, var(--pink) 100%);
  color: #fff;
  box-shadow:
    0 10px 30px rgba(124, 92, 191, 0.35),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
  position: relative;
  overflow: hidden;
}

.btn--primary::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 30%, rgba(255, 255, 255, 0.22) 50%, transparent 70%);
  transform: translateX(-120%);
  transition: transform 0.6s var(--ease);
}

.btn--primary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow:
    0 16px 40px rgba(232, 160, 191, 0.35),
    inset 0 1px 0 rgba(255, 255, 255, 0.25);
  filter: brightness(1.05);
}

.btn--primary:hover::after {
  transform: translateX(120%);
}

.btn--primary:active {
  transform: translateY(-1px) scale(0.99);
}

.final-actions {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  width: 100%;
  max-width: 420px;
  margin: 0 auto;
}

.btn--block {
  width: 100%;
}

.final-hint {
  margin-top: 1rem;
  font-size: 0.8rem;
  color: var(--text-dim);
  font-weight: 300;
}

/* ---------- Choice Cards ---------- */

.choice-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0.9rem;
  width: 100%;
}

.choice-card {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  min-height: 120px;
  padding: 1rem 0.5rem;
  border-radius: 0;
  background: transparent;
  border: none;
  box-shadow: none;
  transition: transform 0.4s var(--ease), color 0.3s;
  animation: cardIn 0.6s var(--ease) both;
}

.choice-card:nth-child(1) { animation-delay: 0.05s; }
.choice-card:nth-child(2) { animation-delay: 0.1s; }
.choice-card:nth-child(3) { animation-delay: 0.15s; }
.choice-card:nth-child(4) { animation-delay: 0.2s; }
.choice-card:nth-child(5) { animation-delay: 0.25s; }

@keyframes cardIn {
  from {
    opacity: 0;
    transform: translateY(20px) scale(0.96);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.choice-card:hover,
.choice-card:focus-visible {
  transform: translateY(-6px) scale(1.06);
  background: transparent;
  border: none;
  box-shadow: none;
}

.choice-card.is-selected {
  background: transparent;
  border: none;
  box-shadow: none;
  transform: translateY(-4px) scale(1.08);
  color: var(--gold-soft);
}

.choice-card__icon {
  display: grid;
  place-items: center;
  width: 3.25rem;
  height: 3.25rem;
  color: var(--pink-soft);
  transition: transform 0.4s var(--ease), color 0.35s, filter 0.35s;
  filter: drop-shadow(0 4px 14px rgba(232, 160, 191, 0.25));
}

.choice-card__icon svg {
  width: 100%;
  height: 100%;
}

.choice-card:hover .choice-card__icon,
.choice-card.is-selected .choice-card__icon {
  transform: scale(1.14) translateY(-2px);
  color: var(--gold);
  filter: drop-shadow(0 0 16px rgba(245, 215, 142, 0.45));
}

.choice-card.is-selected .choice-card__label {
  color: var(--gold-soft);
}

.choice-card__label {
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  transition: color 0.3s;
}

/* ---------- Time Picker ---------- */

.time-picker,
.day-picker {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.85rem;
  max-width: 420px;
  margin: 0 auto;
}

.time-chip {
  padding: 1.15rem 0.75rem;
  border-radius: 0;
  background: transparent;
  border: none;
  box-shadow: none;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  transition: transform 0.35s var(--ease), color 0.3s;
  animation: cardIn 0.55s var(--ease) both;
}

.time-chip:nth-child(1) { animation-delay: 0.05s; }
.time-chip:nth-child(2) { animation-delay: 0.1s; }
.time-chip:nth-child(3) { animation-delay: 0.15s; }
.time-chip:nth-child(4) { animation-delay: 0.2s; }
.time-chip:nth-child(5) { animation-delay: 0.25s; }
.time-chip:nth-child(6) { animation-delay: 0.3s; }

.time-chip:hover,
.time-chip:focus-visible {
  transform: translateY(-4px) scale(1.06);
  background: transparent;
  border: none;
  color: var(--pink-soft);
}

.time-chip.is-selected {
  background: transparent;
  border: none;
  box-shadow: none;
  color: var(--gold-soft);
  transform: translateY(-3px) scale(1.08);
  text-shadow: 0 0 18px rgba(245, 215, 142, 0.35);
}

/* ---------- Final Screen ---------- */

.final-title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 5vw, 2.5rem);
  font-weight: 600;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, var(--pink-soft), var(--gold));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.glass {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.final-letter {
  text-align: left;
  padding: 1.75rem 1.5rem;
  margin: 0 auto 1.75rem;
  max-width: 420px;
  font-size: 0.98rem;
  color: var(--text-muted);
  animation: cardIn 0.7s 0.2s var(--ease) both;
}

.final-letter p + p {
  margin-top: 0.75rem;
}

.final-letter__dear {
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--text);
  font-style: italic;
}

.final-letter__plan-label {
  margin-top: 1.25rem !important;
  color: var(--gold);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.final-plan {
  list-style: none;
  margin: 0.65rem 0 1rem;
  padding: 0.85rem 1rem;
  border-radius: 12px;
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.final-plan li {
  padding: 0.3rem 0;
  color: var(--text-muted);
}

.final-plan strong {
  color: var(--pink-soft);
  font-weight: 500;
}

.final-letter__closing {
  font-family: var(--font-display);
  font-style: italic;
  color: var(--text);
  font-size: 1.05rem;
}

.final-letter__heart {
  text-align: center;
  margin-top: 1rem !important;
  font-size: 1.25rem;
}

/* ---------- Epilogue ---------- */

.epilogue {
  position: fixed;
  inset: 0;
  z-index: 45;
  display: grid;
  place-items: center;
  background: rgba(9, 9, 11, 0.55);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  opacity: 0;
  transition: opacity 0.6s var(--ease);
}

.epilogue.is-visible {
  opacity: 1;
}

.epilogue__text {
  font-family: var(--font-display);
  font-size: clamp(2rem, 7vw, 3.5rem);
  font-weight: 600;
  font-style: italic;
  background: linear-gradient(135deg, var(--text), var(--pink), var(--gold));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-align: center;
  padding: 1rem;
  animation: epilogueIn 0.9s var(--ease) both;
  filter: drop-shadow(0 8px 30px rgba(0, 0, 0, 0.4));
}

@keyframes epilogueIn {
  from {
    opacity: 0;
    transform: scale(0.85) translateY(16px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

/* ---------- Floating hearts (DOM) ---------- */

.float-heart {
  position: absolute;
  bottom: -40px;
  font-size: 1.2rem;
  color: var(--pink);
  opacity: 0;
  animation: floatHeart var(--dur, 6s) var(--ease) forwards;
  pointer-events: none;
  filter: drop-shadow(0 0 8px rgba(232, 160, 191, 0.4));
  will-change: transform, opacity;
}

@keyframes floatHeart {
  0% {
    opacity: 0;
    transform: translateY(0) translateX(0) scale(0.6) rotate(0deg);
  }
  10% { opacity: 0.85; }
  100% {
    opacity: 0;
    transform: translateY(-110vh) translateX(var(--drift, 40px)) scale(1.15) rotate(var(--rot, 25deg));
  }
}

/* ---------- Confetti pieces ---------- */

.confetti-piece {
  position: absolute;
  top: -12px;
  width: 8px;
  height: 12px;
  border-radius: 2px;
  opacity: 0;
  animation: confettiFall var(--dur, 3s) var(--ease) forwards;
  will-change: transform, opacity;
}

@keyframes confettiFall {
  0% {
    opacity: 1;
    transform: translateY(0) rotate(0deg) translateX(0);
  }
  100% {
    opacity: 0;
    transform: translateY(105vh) rotate(720deg) translateX(var(--drift, 60px));
  }
}

/* ---------- Reduced motion ---------- */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .fade-up {
    opacity: 1;
    transform: none;
  }
}

/* ---------- Responsive ---------- */

@media (max-width: 480px) {
  .app {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .choice-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .choice-card:last-child:nth-child(odd) {
    grid-column: 1 / -1;
    max-width: 50%;
    justify-self: center;
  }

  .time-picker,
  .day-picker {
    grid-template-columns: repeat(2, 1fr);
  }

  .final-letter {
    padding: 1.35rem 1.15rem;
  }

  .progress {
    width: calc(100% - 9rem);
  }
}

@media (min-width: 640px) {
  .choice-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .choice-card:nth-last-child(2):nth-child(4),
  .choice-card:last-child:nth-child(5) {
    /* 5 items: last two centered-ish on wider layouts */
  }
}

@media (min-width: 720px) {
  .choice-grid {
    grid-template-columns: repeat(5, 1fr);
  }

  .choice-card {
    min-height: 160px;
  }
}