/* ═══════════════════════════════════════════════════════════
   will-you-be-my-valentine — styles.css
   Single stylesheet for all 3 screens.
   Scoped by #screen-* IDs and .card classes.
   ═══════════════════════════════════════════════════════════ */

/* ── CSS Custom Properties (Theme) ────────────────────── */
:root {
  --bg-dark: #0a0a1a;
  --text-primary: #ffffff;
  --text-glow-color: rgba(180, 140, 255, 1);
  --text-glow-blur: 12px;
  --accent-pink: #ff6b9d;
  --accent-pink-hover: #ff4f8a;
  --accent-coral: #ff9494;
  --card-bg: rgba(255, 255, 255, 0.06);
  --card-border: rgba(255, 255, 255, 0.12);
  --card-blur: 16px;
  --btn-no-bg: rgba(255, 255, 255, 0.12);
  --btn-no-hover: rgba(255, 255, 255, 0.2);
  --font-main: 'Poppins', sans-serif;
  --transition-speed: 0.6s;
  --card-max-width: 500px;
  --card-padding: 48px 36px;
  --card-radius: 24px;
}

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

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: var(--bg-dark);
  font-family: var(--font-main);
  color: var(--text-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ── Screen System ────────────────────────────────────── */
/* All screens are stacked full-viewport; only .active is visible. */
.screen {
  position: fixed;
  inset: 0;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition:
    opacity var(--transition-speed) ease,
    visibility 0s linear var(--transition-speed);
}

.screen.active {
  z-index: 10;
  opacity: 1;
  visibility: visible;
  transition:
    opacity var(--transition-speed) ease,
    visibility 0s linear 0s;
}

/* ── Background Canvases (ambient starfield) ──────────── */
.bg-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

/* ═══════════════════════════════════════════════════════════
   SCREEN 1: Starfield
   ═══════════════════════════════════════════════════════════ */
#screen-starfield {
  flex-direction: column;
}

#starfield {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  background: var(--bg-dark);
}

/* Continue button — pinned to the bottom of the screen */
.btn-continue {
  position: absolute;
  bottom: 48px;
  z-index: 20;
  padding: 14px 36px;
  font-size: 1.15rem;
  font-weight: 600;
  font-family: var(--font-main);
  color: #fff;
  background: var(--accent-pink);
  border: none;
  border-radius: 50px;
  cursor: pointer;
  letter-spacing: 0.5px;
  transition: transform 0.25s ease, background-color 0.3s ease, box-shadow 0.3s ease;
  box-shadow: 0 0 20px rgba(255, 107, 157, 0.4);
}

.btn-continue:hover {
  background: var(--accent-pink-hover);
  transform: scale(1.06);
  box-shadow: 0 0 30px rgba(255, 107, 157, 0.6);
}

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

/* ── Skip moon + popup ── */
.skip-moon {
  position: absolute;
  bottom: 18px;
  right: 18px;
  font-size: 1.6rem;
  cursor: pointer;
  opacity: 0.35;
  z-index: 10;
  transition: opacity 0.3s ease, transform 0.3s ease;
  user-select: none;
}

.skip-moon:hover {
  opacity: 0.7;
  transform: scale(1.15);
}

.skip-popup {
  position: absolute;
  bottom: 60px;
  right: 18px;
  background: rgba(20, 20, 40, 0.92);
  border: 1px solid rgba(255, 107, 157, 0.3);
  border-radius: 16px;
  padding: 16px 20px;
  max-width: 260px;
  z-index: 10;
  text-align: center;
  backdrop-filter: blur(8px);
  animation: fadeInUp 0.35s ease;
}

.skip-popup.hidden {
  display: none;
}

.skip-popup p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.88rem;
  margin-bottom: 12px;
  line-height: 1.5;
}

.btn-skip {
  background: linear-gradient(135deg, #c084fc, #a855f7);
  color: #fff;
  border: none;
  padding: 8px 28px;
  border-radius: 20px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-skip:hover {
  transform: scale(1.05);
  box-shadow: 0 4px 16px rgba(192, 132, 252, 0.4);
}

/* ═══════════════════════════════════════════════════════════
   SCREEN 2: Proposal
   ═══════════════════════════════════════════════════════════ */
#screen-proposal {
  background: var(--bg-dark);
}

/* ═══════════════════════════════════════════════════════════
   SCREEN 3: Celebration
   ═══════════════════════════════════════════════════════════ */
#screen-celebration {
  background: var(--bg-dark);
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  overflow-y: auto;
  overflow-x: hidden;
}

/* ── Card (shared between Proposal & Celebration) ─────── */
.card {
  position: relative;
  z-index: 5;
  max-width: var(--card-max-width);
  width: 90%;
  padding: var(--card-padding);
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--card-radius);
  backdrop-filter: blur(var(--card-blur));
  -webkit-backdrop-filter: blur(var(--card-blur));
  text-align: center;
  animation: fadeInUp 0.6s ease backwards;
}

/* ── Proposal Card ────────────────────────────────────── */
.proposal-card h1 {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 32px;
  line-height: 1.3;
}

.btn-group {
  display: flex;
  gap: 16px;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
}

/* ── Buttons (Yes / No) ──────────────────────────────── */
.btn-yes,
.btn-no {
  font-family: var(--font-main);
  font-weight: 600;
  border: none;
  border-radius: 50px;
  cursor: pointer;
  transition: transform 0.2s ease, background-color 0.3s ease, box-shadow 0.3s ease;
}

.btn-yes {
  padding: 14px 40px;
  font-size: 1.15rem;
  color: #fff;
  background: var(--accent-pink);
  box-shadow: 0 0 20px rgba(255, 107, 157, 0.35);
}

.btn-yes:hover {
  background: var(--accent-pink-hover);
  transform: scale(1.06);
  box-shadow: 0 0 28px rgba(255, 107, 157, 0.55);
}

.btn-yes:active {
  transform: scale(0.96);
}

.btn-no {
  padding: 14px 32px;
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.75);
  background: var(--btn-no-bg);
  box-shadow: none;
}

.btn-no:hover {
  background: var(--btn-no-hover);
  transform: scale(1.04);
}

.btn-no:active {
  transform: scale(0.96);
}

/* ── Celebration Scroll Container ─────────────────────── */
.celebration-scroll {
  position: relative;
  z-index: 5;
  width: 100%;
  max-width: 1100px;
  padding: 40px 20px 80px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

/* ── Photo Carousel ────────────────────────────────────── */
.carousel {
  position: relative;
  width: 100%;
  max-width: 1100px;
  height: 500px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.carousel-track {
  position: relative;
  width: 100%;
  height: 100%;
}

/* Each carousel photo is absolutely positioned and transitioned */
.carousel-photo {
  position: absolute;
  top: 50%;
  left: 50%;
  border-radius: 16px;
  object-fit: contain;
  transition: all 0.5s cubic-bezier(0.25, 0.8, 0.25, 1);
  cursor: pointer;
  background: rgba(255, 255, 255, 0.05);
}

/* ── Slot positions (5 visible: far-left, left, center, right, far-right) ── */

/* Center — large and prominent */
.carousel-photo[data-slot="0"] {
  width: 260px;
  height: 420px;
  transform: translate(-50%, -50%) scale(1);
  z-index: 5;
  opacity: 1;
  border: 3px solid rgba(255, 107, 157, 0.5);
  box-shadow: 0 0 30px rgba(255, 107, 157, 0.3);
  border-radius: 20px;
}

/* Left — smaller */
.carousel-photo[data-slot="-1"] {
  width: 160px;
  height: 280px;
  transform: translate(calc(-50% - 200px), -50%) scale(0.88);
  z-index: 3;
  opacity: 0.8;
  border: 2px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 0 16px rgba(180, 140, 255, 0.15);
}

/* Right — smaller */
.carousel-photo[data-slot="1"] {
  width: 160px;
  height: 280px;
  transform: translate(calc(-50% + 200px), -50%) scale(0.88);
  z-index: 3;
  opacity: 0.8;
  border: 2px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 0 16px rgba(180, 140, 255, 0.15);
}

/* Far left — smallest */
.carousel-photo[data-slot="-2"] {
  width: 110px;
  height: 200px;
  transform: translate(calc(-50% - 340px), -50%) scale(0.75);
  z-index: 1;
  opacity: 0.5;
  border: 2px solid rgba(255, 255, 255, 0.08);
  box-shadow: none;
}

/* Far right — smallest */
.carousel-photo[data-slot="2"] {
  width: 110px;
  height: 200px;
  transform: translate(calc(-50% + 340px), -50%) scale(0.75);
  z-index: 1;
  opacity: 0.5;
  border: 2px solid rgba(255, 255, 255, 0.08);
  box-shadow: none;
}

/* Hidden slots (if more than 5 photos) */
.carousel-photo[data-slot="hidden"] {
  width: 100px;
  height: 130px;
  transform: translate(-50%, -50%) scale(0.5);
  z-index: 0;
  opacity: 0;
  pointer-events: none;
}

/* ── Carousel Arrows ──────────────────────────────────── */
.carousel-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 20;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #fff;
  font-size: 2rem;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.3s, transform 0.2s;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  line-height: 1;
  padding-bottom: 3px;
}

.carousel-arrow:hover {
  background: rgba(255, 107, 157, 0.3);
  transform: translateY(-50%) scale(1.1);
}

.carousel-arrow:active {
  transform: translateY(-50%) scale(0.95);
}

.carousel-arrow-left {
  left: 8px;
}

.carousel-arrow-right {
  right: 8px;
}

/* ── Celebration Card (text only now) ─────────────────── */
.celebration-card {
  overflow: visible;
  max-width: 500px;
  width: 90%;
  padding: 36px 32px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--card-radius);
  backdrop-filter: blur(var(--card-blur));
  -webkit-backdrop-filter: blur(var(--card-blur));
  text-align: center;
  animation: fadeInUp 0.9s ease backwards;
  animation-delay: 0.35s;
}

.celebration-card h1 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 12px;
  line-height: 1.4;
  word-wrap: break-word;
  overflow-wrap: break-word;
}

.celebration-card p {
  font-size: 1.05rem;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.5;
}

/* ── Floating Hearts Container ────────────────────────── */
#hearts-container {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 2;
  overflow: hidden;
}

.floating-heart {
  position: absolute;
  bottom: -40px;
  font-size: 1.6rem;
  opacity: 0;
  animation: floatHeart var(--heart-duration, 4s) ease-in forwards;
  animation-delay: var(--heart-delay, 0s);
}

/* ── Utility ──────────────────────────────────────────── */
.hidden {
  opacity: 0 !important;
  pointer-events: none !important;
  transition: opacity 0.4s ease;
}

.hidden.show {
  opacity: 1 !important;
  pointer-events: auto !important;
}

/* ── Keyframes ────────────────────────────────────────── */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.12); }
}

@keyframes floatHeart {
  0% {
    opacity: 0.9;
    transform: translateY(0) rotate(0deg) scale(1);
  }
  50% {
    opacity: 0.7;
  }
  100% {
    opacity: 0;
    transform: translateY(-100vh) rotate(35deg) scale(0.5);
  }
}

/* ── Responsive: Mobile ───────────────────────────────── */
@media (max-width: 600px) {
  :root {
    --card-padding: 32px 20px;
    --card-max-width: 100%;
    --card-radius: 0px;
  }

  .card {
    border: none;
    border-radius: 16px;
    width: 94%;
  }

  .proposal-card h1 {
    font-size: 1.35rem;
  }

  .btn-yes {
    padding: 12px 32px;
    font-size: 1rem;
  }

  .btn-no {
    padding: 12px 24px;
    font-size: 0.95rem;
  }

  .btn-continue {
    bottom: 32px;
    padding: 12px 28px;
    font-size: 1rem;
  }

  .carousel {
    height: 380px;
  }

  .carousel-photo[data-slot="0"] {
    width: 200px;
    height: 340px;
  }

  .carousel-photo[data-slot="-1"],
  .carousel-photo[data-slot="1"] {
    width: 110px;
    height: 200px;
    transform: translate(calc(-50% - 140px), -50%) scale(0.85);
  }
  .carousel-photo[data-slot="1"] {
    transform: translate(calc(-50% + 140px), -50%) scale(0.85);
  }

  .carousel-photo[data-slot="-2"],
  .carousel-photo[data-slot="2"] {
    opacity: 0;
    pointer-events: none;
  }

  .carousel-arrow {
    width: 36px;
    height: 36px;
    font-size: 1.5rem;
  }

  .celebration-card {
    width: 94%;
    padding: 24px 18px;
  }

  .celebration-card h1 {
    font-size: 1.3rem;
  }

  .celebration-scroll {
    padding: 24px 12px 40px;
    gap: 16px;
  }
}

/* ═══════════════════════════════════════════════════════════
   CONFETTI CANVAS
   ═══════════════════════════════════════════════════════════ */
.confetti-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 100;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s ease;
}
.confetti-canvas.active {
  opacity: 1;
}

/* ═══════════════════════════════════════════════════════════
   "NEXT SCREEN" BUTTONS (shared for screens 3–6)
   ═══════════════════════════════════════════════════════════ */
.btn-next-screen {
  position: relative;
  z-index: 20;
  margin-top: 20px;
  padding: 14px 36px;
  font-size: 1.05rem;
  font-weight: 600;
  font-family: var(--font-main);
  color: #fff;
  background: var(--accent-pink);
  border: none;
  border-radius: 50px;
  cursor: pointer;
  letter-spacing: 0.5px;
  transition: transform 0.25s ease, background-color 0.3s ease, box-shadow 0.3s ease;
  box-shadow: 0 0 20px rgba(255, 107, 157, 0.4);
}
.btn-next-screen:hover {
  background: var(--accent-pink-hover);
  transform: scale(1.06);
  box-shadow: 0 0 30px rgba(255, 107, 157, 0.6);
}
.btn-next-screen:active {
  transform: scale(0.97);
}

/* ═══════════════════════════════════════════════════════════
   SCREEN 4: Love Letter
   ═══════════════════════════════════════════════════════════ */
#screen-letter {
  background: var(--bg-dark);
  flex-direction: column;
}

.letter-container {
  position: relative;
  z-index: 5;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  padding: 40px 20px;
  max-height: 100vh;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

/* ── Name input prompt ── */
.letter-prompt {
  font-size: 1.4rem;
  font-weight: 600;
  color: #fff;
  text-align: center;
  text-shadow: 0 0 20px rgba(255, 107, 157, 0.5);
}

.letter-prompt-sub {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.7);
  text-align: center;
  margin-top: -8px;
}

.name-input-group {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}

.name-input {
  width: 280px;
  padding: 14px 20px;
  border: 2px solid rgba(255, 107, 157, 0.4);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  font-family: var(--font-main);
  font-size: 1.05rem;
  text-align: center;
  outline: none;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.name-input::placeholder {
  color: rgba(255, 255, 255, 0.4);
}

.name-input:focus {
  border-color: var(--accent-pink);
  box-shadow: 0 0 16px rgba(255, 107, 157, 0.3);
}

.btn-name-submit {
  background: linear-gradient(135deg, var(--accent-pink), var(--accent-magenta));
  color: #fff;
  border: none;
  padding: 12px 36px;
  border-radius: 30px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-name-submit:hover {
  transform: scale(1.05);
  box-shadow: 0 4px 20px rgba(255, 107, 157, 0.4);
}

.name-error {
  color: #ff6b9d;
  font-size: 0.95rem;
  font-weight: 500;
  text-align: center;
  min-height: 1.4em;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.name-error.visible {
  opacity: 1;
}

/* ── Shake animation for wrong input ── */
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-8px); }
  40% { transform: translateX(8px); }
  60% { transform: translateX(-6px); }
  80% { transform: translateX(6px); }
}

.shake {
  animation: shake 0.5s ease;
}

/* ── Date error message ── */
.date-error {
  color: #ff6b9d;
  font-size: 0.92rem;
  font-weight: 500;
  text-align: center;
  min-height: 1.4em;
  opacity: 0;
  transition: opacity 0.3s ease;
  margin-top: -4px;
}

.date-error.visible {
  opacity: 1;
}

.plan-error {
  color: #ff6b9d;
  font-size: 0.92rem;
  font-weight: 500;
  text-align: center;
  min-height: 1.4em;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.plan-error.visible {
  opacity: 1;
}

/* ── Envelope ── */
.envelope {
  position: relative;
  width: 420px;
  min-height: 220px;
  cursor: pointer;
  perspective: 600px;
}

.envelope-body {
  background: linear-gradient(135deg, #ff9494, #ff6b9d);
  border-radius: 12px;
  box-shadow: 0 8px 32px rgba(255, 107, 157, 0.3);
  overflow: visible;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 20px 16px 28px;
}

.envelope-flap {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 50%;
  background: linear-gradient(135deg, #ff6b9d, #e84393);
  clip-path: polygon(0 0, 50% 100%, 100% 0);
  z-index: 3;
  transform-origin: top center;
  transition: transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.envelope.open .envelope-flap {
  transform: rotateX(180deg);
  z-index: 0;
  opacity: 0;
  pointer-events: none;
}

/* ── Letter inside envelope ── */
.letter {
  width: 100%;
  max-width: 380px;
  background: rgba(255, 255, 255, 0.95);
  border-radius: 8px;
  padding: 28px 24px;
  color: #333;
  font-size: 0.9rem;
  line-height: 1.65;
  opacity: 0;
  transform: translateY(40px);
  transition: transform 0.8s cubic-bezier(0.4, 0, 0.2, 1) 0.3s,
              opacity 0.6s ease 0.3s;
  box-shadow: 0 4px 16px rgba(0,0,0,0.1);
}

.envelope.open .letter {
  transform: translateY(0);
  opacity: 1;
}

.letter-greeting {
  font-weight: 700;
  font-size: 1rem;
  color: var(--accent-pink);
  margin-bottom: 12px;
}

.letter-body {
  margin-bottom: 16px;
  font-style: italic;
  white-space: pre-line;
}

.letter-closing {
  font-weight: 600;
  text-align: right;
  color: var(--accent-pink);
}

.tap-hint {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.6);
  animation: pulse 2s infinite;
  transition: opacity 0.4s ease;
}

/* ═══════════════════════════════════════════════════════════
   SCREEN 5: Date Picker
   ═══════════════════════════════════════════════════════════ */
#screen-datepicker {
  background: var(--bg-dark);
}

.datepicker-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.datepicker-card h1 {
  font-size: 1.6rem;
  font-weight: 700;
}

.datepicker-sub {
  color: rgba(255, 255, 255, 0.6);
  font-size: 1rem;
}

.date-input {
  font-family: var(--font-main);
  font-size: 1.1rem;
  padding: 12px 24px;
  border: 2px solid rgba(255, 107, 157, 0.4);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  outline: none;
  cursor: pointer;
  transition: border-color 0.3s, box-shadow 0.3s;
}

.date-input:focus {
  border-color: var(--accent-pink);
  box-shadow: 0 0 16px rgba(255, 107, 157, 0.3);
}

.date-input::-webkit-calendar-picker-indicator {
  filter: invert(1);
  cursor: pointer;
}

/* ═══════════════════════════════════════════════════════════
   SCREEN 6: Plan the Date
   ═══════════════════════════════════════════════════════════ */
#screen-plandate {
  background: var(--bg-dark);
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  overflow-y: auto;
}

.plandate-scroll {
  position: relative;
  z-index: 5;
  width: 100%;
  max-width: 600px;
  padding: 40px 20px 80px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.plan-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
}

.plan-tab {
  font-family: var(--font-main);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 10px 24px;
  border: 2px solid rgba(255, 255, 255, 0.15);
  border-radius: 50px;
  background: rgba(255, 255, 255, 0.06);
  color: rgba(255, 255, 255, 0.7);
  cursor: pointer;
  transition: all 0.3s ease;
}

.plan-tab.active {
  background: var(--accent-pink);
  border-color: var(--accent-pink);
  color: #fff;
  box-shadow: 0 0 16px rgba(255, 107, 157, 0.4);
}

.plan-tab:hover:not(.active) {
  background: rgba(255, 255, 255, 0.12);
}

.plan-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 16px;
  width: 100%;
  animation: fadeInUp 0.4s ease;
}

.hidden-grid {
  display: none !important;
}

.plan-option {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 20px 12px;
  background: rgba(255, 255, 255, 0.06);
  border: 2px solid rgba(255, 255, 255, 0.1);
  border-radius: 16px;
  cursor: pointer;
  transition: all 0.3s ease;
  user-select: none;
}

.plan-option:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
}

.plan-option.selected {
  background: rgba(255, 107, 157, 0.15);
  border-color: var(--accent-pink);
  box-shadow: 0 0 16px rgba(255, 107, 157, 0.2);
}

.plan-option .option-emoji {
  font-size: 2.2rem;
}

.plan-option .option-name {
  font-size: 0.85rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.85);
}

.plan-option .option-check {
  width: 22px;
  height: 22px;
  border: 2px solid rgba(255, 255, 255, 0.25);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  transition: all 0.2s ease;
}

.plan-option.selected .option-check {
  background: var(--accent-pink);
  border-color: var(--accent-pink);
}

/* ═══════════════════════════════════════════════════════════
   SCREEN 7: Final — Countdown + Flower Bouquet
   ═══════════════════════════════════════════════════════════ */
#screen-final {
  background: var(--bg-dark);
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  overflow-y: auto;
}

.final-scroll {
  position: relative;
  z-index: 5;
  width: 100%;
  max-width: 600px;
  padding: 40px 20px 60px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 32px;
}

.countdown-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.countdown-card h1 {
  font-size: 1.4rem;
  font-weight: 700;
}

.countdown-timer {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
}

.countdown-unit {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  min-width: 72px;
  padding: 16px 12px;
  background: rgba(255, 107, 157, 0.12);
  border: 1px solid rgba(255, 107, 157, 0.3);
  border-radius: 16px;
}

.countdown-number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent-pink);
  font-variant-numeric: tabular-nums;
}

.countdown-label {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.6);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ── Flower Bouquet ── */
.bouquet-container {
  position: relative;
  width: 280px;
  height: 360px;
}

.bouquet {
  position: relative;
  width: 100%;
  height: 100%;
}

.flower {
  position: absolute;
  width: 70px;
  height: 70px;
}

.flower-1 { top: 20px; left: 50%; transform: translateX(-50%); }
.flower-2 { top: 60px; left: 20%; }
.flower-3 { top: 60px; right: 20%; }

.petals {
  position: relative;
  width: 100%;
  height: 100%;
}

.petal {
  position: absolute;
  width: 24px;
  height: 36px;
  border-radius: 50%;
  top: 50%;
  left: 50%;
  transform-origin: bottom center;
  opacity: 0;
  animation: petalOpen 1.2s ease forwards;
  animation-play-state: paused;
}

.flower-1 .petal { background: #ff6b9d; }
.flower-2 .petal { background: #ff9494; }
.flower-3 .petal { background: #c084fc; }

.petal:nth-child(1) { animation-delay: 0.5s; transform: translate(-50%, -100%) rotate(0deg); }
.petal:nth-child(2) { animation-delay: 0.65s; transform: translate(-50%, -100%) rotate(60deg); }
.petal:nth-child(3) { animation-delay: 0.8s; transform: translate(-50%, -100%) rotate(120deg); }
.petal:nth-child(4) { animation-delay: 0.95s; transform: translate(-50%, -100%) rotate(180deg); }
.petal:nth-child(5) { animation-delay: 1.1s; transform: translate(-50%, -100%) rotate(240deg); }
.petal:nth-child(6) { animation-delay: 1.25s; transform: translate(-50%, -100%) rotate(300deg); }

@keyframes petalOpen {
  from { opacity: 0; transform: translate(-50%, -100%) rotate(var(--r, 0deg)) scale(0.3); }
  to   { opacity: 1; transform: translate(-50%, -100%) rotate(var(--r, 0deg)) scale(1); }
}

.flower-center {
  position: absolute;
  width: 18px;
  height: 18px;
  background: #fbbf24;
  border-radius: 50%;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0);
  animation: centerPop 0.4s ease 1.4s forwards;
  animation-play-state: paused;
}

@keyframes centerPop {
  from { transform: translate(-50%, -50%) scale(0); }
  to   { transform: translate(-50%, -50%) scale(1); }
}

.stem {
  position: absolute;
  width: 4px;
  border-radius: 2px;
  background: linear-gradient(to bottom, #4ade80, #22c55e);
  transform-origin: top center;
  animation: stemGrow 0.8s ease forwards;
  animation-play-state: paused;
}

.stem-1 { top: 85px; left: 50%; transform: translateX(-50%) scaleY(0); height: 140px; }
.stem-2 { top: 125px; left: 28%; transform: rotate(12deg) scaleY(0); height: 120px; }
.stem-3 { top: 125px; right: 28%; transform: rotate(-12deg) scaleY(0); height: 120px; }

@keyframes stemGrow {
  from { transform: translateX(-50%) scaleY(0); }
  to   { transform: translateX(-50%) scaleY(1); }
}

.leaf {
  position: absolute;
  width: 28px;
  height: 14px;
  border-radius: 50% 50% 50% 0;
  background: #4ade80;
  opacity: 0;
  animation: leafPop 0.5s ease 1s forwards;
  animation-play-state: paused;
}

.leaf-1 { top: 160px; left: 42%; transform: rotate(-30deg); }
.leaf-2 { top: 180px; left: 54%; transform: rotate(30deg); border-radius: 50% 50% 0 50%; }

@keyframes leafPop {
  from { opacity: 0; transform: scale(0) rotate(var(--lr, -30deg)); }
  to   { opacity: 1; transform: scale(1) rotate(var(--lr, -30deg)); }
}

.vase {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 100px;
  background: linear-gradient(135deg, rgba(255,255,255,0.15), rgba(255,255,255,0.05));
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 8px 8px 20px 20px;
  overflow: hidden;
  backdrop-filter: blur(8px);
}

.vase-water {
  position: absolute;
  bottom: 0;
  width: 100%;
  height: 60%;
  background: linear-gradient(to top, rgba(96, 165, 250, 0.4), rgba(96, 165, 250, 0.1));
  border-radius: 0 0 18px 18px;
}

.falling-petal {
  position: absolute;
  width: 10px;
  height: 14px;
  border-radius: 50%;
  opacity: 0;
  pointer-events: none;
  animation-play-state: paused;
}

.fp-1 { background: #ff6b9d; top: 30px; left: 45%; animation: petalFall 4s ease-in 2s infinite; }
.fp-2 { background: #ff9494; top: 40px; left: 55%; animation: petalFall 5s ease-in 2.5s infinite; }
.fp-3 { background: #c084fc; top: 50px; left: 60%; animation: petalFall 4.5s ease-in 3s infinite; }
.fp-4 { background: #ff6b9d; top: 25px; left: 35%; animation: petalFall 5.5s ease-in 3.5s infinite; }
.fp-5 { background: #ff9494; top: 45px; left: 50%; animation: petalFall 4s ease-in 4s infinite; }

@keyframes petalFall {
  0%   { opacity: 0.8; transform: translateY(0) rotate(0deg); }
  100% { opacity: 0; transform: translateY(300px) rotate(120deg) translateX(40px); }
}

.final-message {
  font-size: 1.3rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.9);
  text-align: center;
  animation: pulse 3s infinite;
}

/* Start animations when screen is active */
#screen-final.active .petal,
#screen-final.active .flower-center,
#screen-final.active .stem,
#screen-final.active .leaf,
#screen-final.active .falling-petal {
  animation-play-state: running;
}

/* ═══════════════════════════════════════════════════════════
   RESPONSIVE: New screens
   ═══════════════════════════════════════════════════════════ */
@media (max-width: 600px) {
  .letter-prompt {
    font-size: 1.15rem;
  }

  .name-input {
    width: 240px;
    font-size: 0.95rem;
  }

  .envelope {
    width: 92vw;
    max-width: 360px;
    min-height: 180px;
  }

  .letter {
    max-width: 100%;
    padding: 20px 16px;
    font-size: 0.82rem;
    line-height: 1.55;
  }

  .datepicker-card h1 {
    font-size: 1.3rem;
  }

  .plan-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .plan-tab {
    font-size: 0.85rem;
    padding: 8px 18px;
  }

  .countdown-number {
    font-size: 1.6rem;
  }

  .countdown-unit {
    min-width: 60px;
    padding: 12px 8px;
  }

  .bouquet-container {
    width: 240px;
    height: 310px;
  }

  .btn-next-screen {
    font-size: 0.95rem;
    padding: 12px 28px;
  }
}