:root {
  --rose-deep: #b8325e;
  --rose-primary: #e8436e;
  --rose-core: #ff6b9d;
  --rose-soft: #ffb3c6;
  --rose-light: #ffd6e0;
  --rose-bg: #fff0f5;
  --rose-white: #fff5f7;
  --text-dark: #3d1a2a;
  --text-muted: #7a4a5e;
  --text-light: #a87a8a;
  --shadow: rgba(184, 50, 94, 0.15);
  --shadow-strong: rgba(184, 50, 94, 0.3);
  --radius: 16px;
  --radius-sm: 10px;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: var(--rose-bg);
  color: var(--text-dark);
  min-height: 100vh;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 920px;
  margin: 0 auto;
  padding: 24px 20px 100px;
}

header {
  text-align: center;
  padding: 48px 0 36px;
}

header h1 {
  font-size: 3.2rem;
  color: var(--rose-deep);
  letter-spacing: 3px;
  text-transform: lowercase;
  font-weight: 200;
  text-shadow: 0 2px 12px var(--shadow);
}

header .subtitle {
  color: var(--text-light);
  font-size: 0.8rem;
  letter-spacing: 4px;
  text-transform: uppercase;
  margin-top: 8px;
}

.sync-status {
  font-size: 0.7rem;
  letter-spacing: 1px;
  margin-top: 4px;
  color: var(--text-light);
  transition: color 0.3s;
}

.empty-note {
  color: var(--text-light);
  font-style: italic;
  text-align: center;
  padding: 24px;
}

.section-title {
  font-size: 1.1rem;
  color: var(--text-muted);
  font-weight: 400;
  letter-spacing: 2px;
  text-transform: lowercase;
  margin-bottom: 16px;
  text-align: center;
}

/* ===== Cards Grid ===== */
.cards-section {
  margin: 8px 0 32px;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 14px;
}

.card {
  background: var(--rose-white);
  border-radius: var(--radius);
  padding: 22px 16px;
  cursor: pointer;
  box-shadow: 0 2px 12px var(--shadow);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  text-align: center;
  border: 2px solid transparent;
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--rose-soft), var(--rose-core), var(--rose-soft));
  opacity: 0;
  transition: opacity 0.3s;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px var(--shadow);
  border-color: var(--rose-soft);
}

.card:hover::before {
  opacity: 1;
}

.card.active {
  border-color: var(--rose-deep);
  background: white;
  box-shadow: 0 4px 20px var(--shadow-strong);
}

.card.active::before {
  opacity: 1;
  background: linear-gradient(90deg, var(--rose-deep), var(--rose-primary), var(--rose-deep));
}

.card-date {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--rose-deep);
}

.card-day {
  font-size: 0.75rem;
  color: var(--text-light);
  margin-top: 4px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 64px 20px;
  color: var(--text-light);
  font-style: italic;
  font-size: 0.95rem;
}

/* ===== Content Section ===== */
.content-section {
  background: white;
  border-radius: var(--radius);
  padding: 36px;
  box-shadow: 0 4px 24px var(--shadow);
  margin-top: 8px;
  animation: fadeSlideIn 0.45s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.content-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--rose-light);
}

.content-header h2 {
  color: var(--rose-deep);
  font-weight: 300;
  font-size: 1.4rem;
  letter-spacing: 1px;
}

.btn-close {
  background: none;
  border: none;
  font-size: 1.6rem;
  color: var(--text-light);
  cursor: pointer;
  padding: 4px 10px;
  border-radius: 50%;
  transition: all 0.2s;
  line-height: 1;
}

.btn-close:hover {
  background: var(--rose-light);
  color: var(--rose-deep);
}

.text-display {
  font-size: 1.05rem;
  line-height: 1.9;
  color: var(--text-dark);
  white-space: pre-wrap;
  margin-bottom: 28px;
  padding: 20px 24px;
  background: var(--rose-bg);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--rose-core);
}

.section-label {
  font-size: 0.75rem;
  color: var(--text-light);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.music-player {
  margin-bottom: 28px;
}

.music-player audio {
  width: 100%;
  border-radius: var(--radius-sm);
}

.music-player audio::-webkit-media-controls-panel {
  background: var(--rose-light);
}

.images-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 12px;
}

.images-gallery .img-wrap {
  position: relative;
  border-radius: var(--radius-sm);
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 1;
  background: var(--rose-bg);
}

.images-gallery img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.images-gallery .img-wrap:hover img {
  transform: scale(1.06);
}

.images-gallery .img-wrap::after {
  content: '\292E';
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: white;
  background: rgba(0,0,0,0);
  transition: all 0.3s;
  opacity: 0;
}

.images-gallery .img-wrap:hover::after {
  background: rgba(0,0,0,0.25);
  opacity: 1;
}

/* ===== Lightbox ===== */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.85);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  animation: fadeIn 0.25s ease;
  padding: 40px;
}

.lightbox img {
  max-width: 100%;
  max-height: 90vh;
  object-fit: contain;
  border-radius: 8px;
  box-shadow: 0 8px 40px rgba(0,0,0,0.5);
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* ===== Toast ===== */
.toast {
  position: fixed;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%) translateY(80px);
  background: var(--rose-deep);
  color: white;
  padding: 14px 28px;
  border-radius: 50px;
  font-size: 0.9rem;
  box-shadow: 0 4px 20px var(--shadow-strong);
  opacity: 0;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 999;
  pointer-events: none;
}

.toast.visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ===== Upload Page ===== */
.form-card {
  background: white;
  border-radius: var(--radius);
  padding: 36px;
  box-shadow: 0 4px 24px var(--shadow);
}

.form-group {
  margin-bottom: 22px;
}

.form-group label {
  display: block;
  margin-bottom: 6px;
  color: var(--rose-deep);
  font-weight: 500;
  font-size: 0.85rem;
  letter-spacing: 0.5px;
}

.form-group .optional {
  font-weight: 400;
  color: var(--text-light);
  font-size: 0.8rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  border: 2px solid var(--rose-light);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-family: inherit;
  color: var(--text-dark);
  transition: border-color 0.25s, box-shadow 0.25s;
  background: var(--rose-white);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--rose-core);
  box-shadow: 0 0 0 3px var(--shadow);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-group input[type="file"] {
  padding: 10px;
  cursor: pointer;
}

.form-group input[type="file"]::file-selector-button {
  padding: 8px 16px;
  border: none;
  border-radius: 6px;
  background: var(--rose-soft);
  color: var(--rose-deep);
  font-weight: 500;
  cursor: pointer;
  margin-right: 12px;
  transition: background 0.2s;
}

.form-group input[type="file"]::file-selector-button:hover {
  background: var(--rose-core);
  color: white;
}

.btn-primary {
  width: 100%;
  padding: 14px;
  background: linear-gradient(135deg, var(--rose-deep), var(--rose-primary));
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.3s;
  font-weight: 500;
  letter-spacing: 1px;
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 16px var(--shadow-strong);
}

.btn-primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.btn-export {
  padding: 12px 28px;
  background: transparent;
  color: var(--rose-deep);
  border: 2px solid var(--rose-deep);
  border-radius: 50px;
  font-size: 0.88rem;
  cursor: pointer;
  transition: all 0.3s;
  font-weight: 500;
  letter-spacing: 0.5px;
  font-family: inherit;
}

.btn-export:hover {
  background: var(--rose-deep);
  color: white;
  box-shadow: 0 4px 16px var(--shadow-strong);
}

.btn-export:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ===== Existing Cards ===== */
.existing-section {
  margin-top: 44px;
}

.existing-section h2 {
  color: var(--rose-deep);
  margin-bottom: 16px;
  font-weight: 300;
  font-size: 1.3rem;
  letter-spacing: 1px;
  text-align: center;
}

.existing-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.existing-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  background: white;
  border-radius: var(--radius-sm);
  box-shadow: 0 1px 6px var(--shadow);
  transition: all 0.2s;
  gap: 12px;
}

.existing-item:hover {
  box-shadow: 0 2px 12px var(--shadow);
}

.existing-item .item-info {
  flex: 1;
  min-width: 0;
}

.existing-item .item-date {
  font-weight: 600;
  color: var(--rose-deep);
  font-size: 0.95rem;
}

.existing-item .item-preview {
  color: var(--text-light);
  font-size: 0.85rem;
  margin-top: 2px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.existing-item .item-badge {
  font-size: 0.7rem;
  color: var(--text-light);
  letter-spacing: 0.5px;
  white-space: nowrap;
}

.btn-delete {
  padding: 6px 14px;
  background: none;
  border: 1px solid #e74c3c;
  color: #e74c3c;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s;
  font-size: 0.78rem;
  white-space: nowrap;
  font-family: inherit;
}

.btn-delete:hover {
  background: #e74c3c;
  color: white;
}

.workflow-note {
  color: var(--text-light);
  font-size: 0.78rem;
  text-align: center;
  margin-top: 16px;
  line-height: 1.5;
}

.workflow-note code {
  font-size: 0.75rem;
  background: var(--rose-light);
  padding: 2px 6px;
  border-radius: 4px;
}

/* ===== Responsive ===== */
@media (max-width: 640px) {
  .container {
    padding: 16px 14px 90px;
  }

  header {
    padding: 32px 0 24px;
  }

  header h1 {
    font-size: 2.2rem;
  }

  .cards-grid {
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 10px;
  }

  .card {
    padding: 16px 12px;
  }

  .card-date {
    font-size: 1.1rem;
  }

  .content-section {
    padding: 20px;
  }

  .text-display {
    padding: 16px;
    font-size: 0.95rem;
  }

  .images-gallery {
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  }

  .form-card {
    padding: 20px;
  }

  .lightbox {
    padding: 16px;
  }
}