/* ==========================================================================
   JUNG JA SHIN · 2 NOVEMBER — QUIET ROMANTIC & SERENE DESIGN SYSTEM
   Signature Palette:
     #FFF4DE (Cream Silk) · #FFE8C4 (Warm Apricot)
     #FFDDDD (Soft Blush) · #FFCED8 (Rose Petal)
   ========================================================================== */

:root {
  /* Core Romantic Palette */
  --silk-cream: #FFF4DE;
  --warm-apricot: #FFE8C4;
  --soft-blush: #FFDDDD;
  --rose-petal: #FFCED8;

  /* Serene Surface Tokens */
  --bg-page: #FFF4DE;
  --bg-card: rgba(255, 250, 242, 0.78);
  --bg-card-solid: #FFFAF2;
  --bg-soft-pill: rgba(255, 221, 221, 0.55);

  /* Soft, Eye-Friendly Ink Tones (Warm Espresso & Muted Rose) */
  --ink-primary: #3A242B;
  --ink-secondary: #6E4F58;
  --ink-muted: #9E7B85;
  --accent-rose: #B55D72;

  /* Delicate Borders & Shadows */
  --border-soft: rgba(181, 93, 114, 0.14);
  --border-rose: rgba(255, 206, 216, 0.85);
  --shadow-gentle: 0 20px 50px -18px rgba(110, 79, 88, 0.10);
  --shadow-float: 0 12px 32px -10px rgba(181, 93, 114, 0.15);

  /* Typography */
  --font-serif: 'Cormorant Garamond', 'Noto Serif KR', Georgia, serif;
  --font-kr: 'Noto Serif KR', 'Cormorant Garamond', serif;
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Z-Index Layers */
  --z-petals: 1;
  --z-content: 10;
  --z-header: 20;
  --z-toast: 70;

  /* Smooth Transitions */
  --ease-soft: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background-color: var(--bg-page);
  background-image:
    radial-gradient(circle at 15% 15%, rgba(255, 206, 216, 0.55) 0%, transparent 48%),
    radial-gradient(circle at 85% 25%, rgba(255, 232, 196, 0.65) 0%, transparent 50%),
    radial-gradient(circle at 50% 85%, rgba(255, 221, 221, 0.60) 0%, transparent 55%);
  background-attachment: fixed;
  color: var(--ink-primary);
  font-family: var(--font-sans);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

::selection {
  background-color: var(--rose-petal);
  color: var(--ink-primary);
}

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

/* Background Floating Petals Canvas */
#petalsCanvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: var(--z-petals);
}

/* Gentle Scroll Reveal */
.fade-section {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 1s var(--ease-soft), transform 1s var(--ease-soft);
}

.fade-section.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Minimalist Floating Top Bar */
.quiet-nav {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  padding: 1.1rem 1.5rem;
  background: rgba(255, 244, 222, 0.72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-soft);
}

.quiet-nav-inner {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.couple-signature {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-style: italic;
  color: var(--ink-primary);
  text-decoration: none;
  letter-spacing: 0.03em;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

/* Soft Romantic Music Button */
.music-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.48rem 1.05rem;
  border-radius: 999px;
  border: 1px solid var(--border-soft);
  background: linear-gradient(135deg, var(--soft-blush), var(--warm-apricot));
  color: var(--ink-primary);
  font-size: 0.78rem;
  font-weight: 500;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(181, 93, 114, 0.08);
  transition: transform 0.3s var(--ease-soft), box-shadow 0.3s var(--ease-soft);
}

.music-pill:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(181, 93, 114, 0.16);
}

.music-note-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent-rose);
  opacity: 0.45;
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.music-pill.is-playing .music-note-dot {
  opacity: 1;
  animation: gentlePulse 1.6s infinite ease-in-out alternate;
}

@keyframes gentlePulse {
  0% { transform: scale(0.85); }
  100% { transform: scale(1.3); }
}

/* Main Single-Column Intimate Container */
.sanctuary-container {
  position: relative;
  z-index: var(--z-content);
  max-width: 760px;
  margin: 0 auto;
  padding: 4rem 1.5rem 6rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6.5rem;
}

/* 1. Hero Section */
.hero-section {
  text-align: center;
  max-width: 620px;
  margin: 1rem auto 0;
}

.date-whisper {
  display: inline-block;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.05rem;
  color: var(--accent-rose);
  padding: 0.3rem 1.1rem;
  border-radius: 999px;
  background: var(--bg-soft-pill);
  border: 1px solid var(--border-soft);
  margin-bottom: 1.5rem;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(2.8rem, 6vw, 4.5rem);
  font-weight: 400;
  line-height: 1.12;
  color: var(--ink-primary);
  margin-bottom: 1.35rem;
}

.hero-title em {
  font-style: italic;
  color: var(--accent-rose);
}

.hero-subtitle-kr {
  font-family: var(--font-kr);
  font-weight: 300;
  font-size: 1.06rem;
  color: var(--ink-secondary);
  line-height: 1.95;
  margin-bottom: 2.5rem;
}

/* Delicate Pill Countdown */
.soft-countdown {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 1.75rem;
  padding: 1.15rem 2.25rem;
  border-radius: 999px;
  background: var(--bg-card);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-soft);
  box-shadow: var(--shadow-gentle);
}

.cd-unit {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 48px;
}

.cd-number {
  font-family: var(--font-serif);
  font-size: 2rem;
  line-height: 1;
  color: var(--ink-primary);
}

.cd-label {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink-muted);
  margin-top: 0.35rem;
}

.cd-divider {
  color: var(--rose-petal);
  font-family: var(--font-serif);
  font-size: 1.4rem;
}

/* 2. Soft Card Base */
.romantic-card {
  width: 100%;
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-soft);
  border-radius: 28px;
  padding: 3.25rem 2.75rem;
  box-shadow: var(--shadow-gentle);
  text-align: center;
}

.section-eyebrow {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.05rem;
  color: var(--accent-rose);
  margin-bottom: 0.35rem;
}

.section-heading {
  font-family: var(--font-serif);
  font-size: 2.25rem;
  font-weight: 400;
  color: var(--ink-primary);
  margin-bottom: 0.6rem;
}

.section-desc {
  font-size: 0.92rem;
  color: var(--ink-secondary);
  max-width: 440px;
  margin: 0 auto 2.25rem;
}

/* Candle Ritual */
.candle-stage {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem 0 1.5rem;
}

.candle-glow-aura {
  position: absolute;
  top: 0;
  width: 160px;
  height: 160px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 206, 216, 0.85) 0%, rgba(255, 232, 196, 0.45) 50%, transparent 72%);
  animation: auraBreathe 3.2s infinite ease-in-out alternate;
  pointer-events: none;
  transition: opacity 0.6s ease;
}

.candle-glow-aura.is-extinguished {
  opacity: 0;
}

@keyframes auraBreathe {
  0% { transform: scale(0.92); opacity: 0.7; }
  100% { transform: scale(1.15); opacity: 1; }
}

.candle-figure {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  cursor: pointer;
  user-select: none;
  transition: transform 0.4s var(--ease-soft);
}

.candle-figure:hover {
  transform: translateY(-3px);
}

.flame-holder {
  position: relative;
  width: 36px;
  height: 44px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
}

.candle-flame {
  width: 16px;
  height: 32px;
  background: radial-gradient(ellipse at 50% 82%, #ffffff 0%, #FFF4DE 32%, #FFB380 68%, rgba(255, 206, 216, 0) 100%);
  border-radius: 50% 50% 36% 36% / 62% 62% 38% 38%;
  filter: drop-shadow(0 0 14px rgba(255, 168, 120, 0.85)) drop-shadow(0 0 26px rgba(255, 206, 216, 0.75));
  transform-origin: bottom center;
  animation: gentleFlicker 0.22s infinite alternate ease-in-out;
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.candle-flame.is-extinguished {
  opacity: 0;
  transform: scale(0.15) translateY(8px);
  pointer-events: none;
}

@keyframes gentleFlicker {
  0% { transform: rotate(-1.5deg) scale(0.97, 1.02); }
  100% { transform: rotate(1.5deg) scale(1.03, 0.98); }
}

.smoke-wisp {
  position: absolute;
  bottom: 10px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(158, 123, 133, 0.45);
  filter: blur(2px);
  opacity: 0;
  pointer-events: none;
}

.smoke-wisp.animate-smoke {
  animation: smokeFloat 2.2s ease-out forwards;
}

@keyframes smokeFloat {
  0% { opacity: 0.75; transform: translateY(0) scale(1); }
  50% { opacity: 0.4; transform: translateY(-28px) translateX(7px) scale(2); }
  100% { opacity: 0; transform: translateY(-56px) translateX(-5px) scale(3); }
}

.candle-wick {
  width: 2px;
  height: 8px;
  background-color: #4A3038;
  margin-top: -2px;
}

.candle-body {
  width: 72px;
  height: 138px;
  background: linear-gradient(90deg, #FFE8C4 0%, #FFF4DE 50%, #FFDDDD 100%);
  border: 1px solid rgba(181, 93, 114, 0.18);
  border-radius: 10px 10px 6px 6px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  box-shadow: 0 14px 28px -10px rgba(181, 93, 114, 0.18);
}

.candle-monogram {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1rem;
  color: var(--ink-secondary);
  letter-spacing: 0.08em;
}

.candle-base {
  width: 124px;
  height: 9px;
  background: linear-gradient(90deg, #FFCED8, #FFE8C4);
  border-radius: 999px;
  margin-top: -2px;
}

.candle-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

/* Soft Buttons */
.btn-romantic {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.78rem 1.65rem;
  border-radius: 999px;
  border: 1px solid var(--border-rose);
  background: linear-gradient(135deg, var(--rose-petal), var(--warm-apricot));
  color: var(--ink-primary);
  font-family: var(--font-sans);
  font-size: 0.84rem;
  font-weight: 500;
  cursor: pointer;
  box-shadow: 0 8px 20px -6px rgba(181, 93, 114, 0.22);
  transition: transform 0.3s var(--ease-soft), box-shadow 0.3s var(--ease-soft);
}

.btn-romantic:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 12px 26px -6px rgba(181, 93, 114, 0.32);
}

.btn-romantic:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.75rem 1.35rem;
  border-radius: 999px;
  border: 1px solid var(--border-soft);
  background: rgba(255, 250, 242, 0.7);
  color: var(--ink-secondary);
  font-size: 0.82rem;
  cursor: pointer;
  transition: all 0.3s var(--ease-soft);
}

.btn-ghost:hover {
  background: var(--soft-blush);
  color: var(--ink-primary);
}

.wish-whisper-note {
  margin-top: 1.5rem;
  padding: 1.15rem 1.5rem;
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(255, 206, 216, 0.45), rgba(255, 232, 196, 0.45));
  border: 1px solid var(--border-soft);
  font-family: var(--font-kr);
  font-size: 0.94rem;
  color: var(--ink-primary);
}

/* 3. The Love Letter */
.letter-card {
  width: 100%;
  background: linear-gradient(160deg, #FFFAF2 0%, #FFF4DE 55%, #FFDDDD 100%);
  border: 1px solid var(--border-soft);
  border-radius: 28px;
  padding: 3.25rem 3rem;
  box-shadow: var(--shadow-gentle);
  text-align: left;
}

.letter-header {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-soft);
}

.lang-pills {
  display: inline-flex;
  background: rgba(255, 244, 222, 0.85);
  border: 1px solid var(--border-soft);
  border-radius: 999px;
  padding: 3px;
}

.lang-btn {
  padding: 0.38rem 0.9rem;
  border: none;
  background: transparent;
  border-radius: 999px;
  font-size: 0.76rem;
  color: var(--ink-secondary);
  cursor: pointer;
  transition: all 0.3s ease;
}

.lang-btn.active {
  background: var(--rose-petal);
  color: var(--ink-primary);
  font-weight: 600;
}

.seal-center {
  padding: 3.5rem 1rem 2.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1rem;
}

.wax-seal-btn {
  width: 82px;
  height: 82px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #E58C9E, #B55D72 68%, #8A3B4E 100%);
  border: 3px solid var(--warm-apricot);
  color: var(--silk-cream);
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.45rem;
  cursor: pointer;
  box-shadow: var(--shadow-float);
  transition: transform 0.45s var(--ease-soft), box-shadow 0.45s ease;
}

.wax-seal-btn:hover {
  transform: scale(1.08) rotate(-3deg);
  box-shadow: 0 16px 34px -8px rgba(181, 93, 114, 0.4);
}

.letter-body {
  padding-top: 2rem;
}

.letter-salutation {
  font-family: var(--font-kr);
  font-size: 1.22rem;
  font-weight: 400;
  color: var(--ink-primary);
  margin-bottom: 1.5rem;
}

.letter-prose p {
  font-family: var(--font-kr);
  font-weight: 300;
  font-size: 1.04rem;
  line-height: 2;
  color: var(--ink-primary);
  margin-bottom: 1.35rem;
  opacity: 0;
  transform: translateY(12px);
  animation: softAppear 0.7s var(--ease-soft) forwards;
}

.letter-prose p:nth-child(1) { animation-delay: 0.08s; }
.letter-prose p:nth-child(2) { animation-delay: 0.2s; }
.letter-prose p:nth-child(3) { animation-delay: 0.32s; }
.letter-prose p:nth-child(4) { animation-delay: 0.44s; }

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

.letter-footer {
  margin-top: 2.25rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-soft);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-end;
  gap: 1rem;
}

/* 4. Three Quiet Moments */
.moments-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  width: 100%;
  margin-top: 1.5rem;
}

.moment-card {
  background: var(--bg-card);
  border: 1px solid var(--border-soft);
  border-radius: 22px;
  padding: 1.85rem 1.5rem;
  text-align: left;
  transition: transform 0.35s var(--ease-soft), background-color 0.35s ease;
}

.moment-card:hover {
  transform: translateY(-5px);
  background: var(--bg-card-solid);
}

.moment-tag {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 0.92rem;
  color: var(--accent-rose);
  margin-bottom: 0.5rem;
}

.moment-title {
  font-family: var(--font-serif);
  font-size: 1.45rem;
  font-weight: 400;
  color: var(--ink-primary);
  margin-bottom: 0.25rem;
}

.moment-kr {
  font-family: var(--font-kr);
  font-size: 0.84rem;
  color: var(--ink-muted);
  margin-bottom: 0.85rem;
}

.moment-text {
  font-size: 0.88rem;
  color: var(--ink-secondary);
  line-height: 1.75;
}

/* 5. Leave a Whisper / Star for Enes */
.whisper-form {
  max-width: 540px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.whisper-input-row {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 0.75rem;
}

.soft-input {
  width: 100%;
  padding: 0.85rem 1.15rem;
  border-radius: 16px;
  border: 1px solid var(--border-soft);
  background: var(--bg-card-solid);
  color: var(--ink-primary);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.soft-input:focus {
  outline: none;
  border-color: var(--accent-rose);
  box-shadow: 0 0 0 3px rgba(255, 206, 216, 0.5);
}

.preset-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
  margin: 0.25rem 0 0.5rem;
}

.preset-chip {
  padding: 0.38rem 0.85rem;
  border-radius: 999px;
  border: 1px solid var(--border-soft);
  background: rgba(255, 250, 242, 0.75);
  color: var(--ink-secondary);
  font-size: 0.76rem;
  cursor: pointer;
  transition: all 0.25s ease;
}

.preset-chip:hover {
  background: var(--rose-petal);
  color: var(--ink-primary);
}

.whispers-list {
  margin-top: 2.5rem;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  text-align: left;
}

.whisper-note-card {
  background: rgba(255, 250, 242, 0.82);
  border: 1px solid var(--border-soft);
  border-radius: 18px;
  padding: 1.35rem 1.4rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 0.85rem;
  transition: transform 0.3s var(--ease-soft);
}

.whisper-note-card:hover {
  transform: translateY(-3px);
}

.whisper-note-text {
  font-family: var(--font-kr);
  font-weight: 300;
  font-size: 0.94rem;
  line-height: 1.75;
  color: var(--ink-primary);
}

.whisper-note-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.75rem;
  color: var(--ink-muted);
}

.heart-btn {
  background: var(--bg-soft-pill);
  border: 1px solid var(--border-soft);
  border-radius: 999px;
  padding: 0.22rem 0.65rem;
  font-size: 0.73rem;
  color: var(--ink-primary);
  cursor: pointer;
  transition: background-color 0.25s ease, transform 0.25s ease;
}

.heart-btn:hover {
  background: var(--rose-petal);
  transform: scale(1.05);
}

/* Minimal Footer */
.quiet-footer {
  text-align: center;
  padding: 3rem 1.5rem 4rem;
  border-top: 1px solid var(--border-soft);
  color: var(--ink-muted);
  font-size: 0.82rem;
}

.quiet-footer strong {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  font-size: 1.15rem;
  color: var(--ink-primary);
  display: block;
  margin-bottom: 0.25rem;
}

/* Toast Notification */
.toast-container {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.toast-item {
  background: var(--ink-primary);
  color: var(--silk-cream);
  padding: 0.8rem 1.25rem;
  border-radius: 999px;
  font-size: 0.8rem;
  box-shadow: var(--shadow-float);
  animation: softAppear 0.35s var(--ease-soft);
}

.hidden {
  display: none !important;
}

/* Responsive */
@media (max-width: 768px) {
  .sanctuary-container {
    padding: 2.5rem 1.15rem 4rem;
    gap: 4.5rem;
  }
  .romantic-card,
  .letter-card {
    padding: 2.25rem 1.5rem;
  }
  .soft-countdown {
    gap: 1rem;
    padding: 1rem 1.5rem;
  }
  .moments-grid,
  .whispers-list,
  .whisper-input-row {
    grid-template-columns: 1fr;
  }
}

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