/* ============================================================
   Wedding Photo Upload — Styles
   ============================================================ */

:root {
  --color-bg: #faf8f5;
  --color-surface: #ffffff;
  --color-primary: #b08968;
  --color-primary-light: #ddb892;
  --color-primary-dark: #8a6a4e;
  --color-text: #3d3228;
  --color-text-light: #8a7e74;
  --color-accent: #e8ddd3;
  --color-success: #6b9e78;
  --color-error: #c5604e;
  --color-border: #e8e2dc;
  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body: 'Montserrat', -apple-system, sans-serif;
  --radius: 12px;
  --shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}

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

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-weight: 300;
  background: var(--color-bg);
  color: var(--color-text);
  min-height: 100vh;
  line-height: 1.6;
}

/* --- LANGUAGE TOGGLE --- */

.lang-toggle {
  display: block;
  margin-left: auto;
  margin-right: 0;
  margin-bottom: -24px;
  position: relative;
  z-index: 200;
  width: 40px;
  height: 40px;
  border: 1px solid var(--color-primary-light);
  background: var(--color-surface);
  color: var(--color-primary-dark);
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  border-radius: 50%;
  cursor: pointer;
  box-shadow: var(--shadow);
  transition: background 0.2s, transform 0.1s;
  -webkit-appearance: none;
}

.lang-toggle:hover {
  background: var(--color-accent);
}

.lang-toggle:active {
  transform: scale(0.95);
}

.hp-field {
  position: absolute;
  left: -9999px;
  opacity: 0;
  height: 0;
  overflow: hidden;
}

.container {
  max-width: 600px;
  margin: 0 auto;
  padding: 0 20px;
}

/* --- ACCESS DENIED --- */

#access-denied {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  text-align: center;
}

#access-denied .icon-lock {
  font-size: 4rem;
  margin-bottom: 1rem;
}

#access-denied h1 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 1.8rem;
  margin-bottom: 0.5rem;
}

#access-denied p {
  color: var(--color-text-light);
  font-size: 0.95rem;
}

/* --- HEADER --- */

.header {
  text-align: center;
  padding: 1rem 1rem 1.5rem;
  background: linear-gradient(180deg, var(--color-accent) 0%, var(--color-bg) 100%);
}

.couple-names {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: 2.5rem;
  color: var(--color-primary-dark);
  letter-spacing: 0.02em;
}

.wedding-date {
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 1rem;
  color: var(--color-text-light);
  margin-top: 0.25rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.header-description {
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 0.9rem;
  color: var(--color-text-light);
  margin-top: 1rem;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.7;
}

/* --- TABS --- */

.tabs {
  display: flex;
  justify-content: center;
  gap: 0;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.tab {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 20px;
  border: none;
  background: none;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 400;
  color: var(--color-text-light);
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s;
  border-bottom: 2px solid transparent;
}

.tab.active {
  color: var(--color-primary-dark);
  border-bottom-color: var(--color-primary);
}

.tab svg {
  opacity: 0.6;
}

.tab.active svg {
  opacity: 1;
}

/* --- UPLOAD SECTION --- */

.guest-name-section {
  margin: 1.5rem 0 1rem;
}

.guest-name-section label {
  display: block;
  font-size: 0.85rem;
  color: var(--color-text-light);
  margin-bottom: 0.4rem;
}

.guest-name-section input {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 300;
  background: var(--color-surface);
  transition: border-color 0.2s;
}

.guest-name-section input:focus {
  outline: none;
  border-color: var(--color-primary);
}

/* Upload Zone */

.upload-zone {
  border: 2px dashed var(--color-primary-light);
  border-radius: var(--radius);
  padding: 3rem 2rem;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
  background: var(--color-surface);
  margin-bottom: 1rem;
}

.upload-zone:hover,
.upload-zone.dragover {
  border-color: var(--color-primary);
  background: var(--color-accent);
}

.upload-zone svg {
  color: var(--color-primary-light);
  margin-bottom: 1rem;
}

.upload-text {
  font-size: 1rem;
  font-weight: 400;
  color: var(--color-text);
  margin-bottom: 0.3rem;
}

.upload-hint {
  font-size: 0.85rem;
  color: var(--color-text-light);
}

/* Buttons */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border: none;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 400;
  cursor: pointer;
  transition: background 0.2s, transform 0.1s;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
}

.btn-primary:hover {
  background: var(--color-primary-dark);
}

.btn-secondary {
  background: var(--color-surface);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  width: 100%;
}

.btn-secondary:hover {
  background: var(--color-accent);
}

#camera-btn {
  margin-bottom: 1.5rem;
}

/* Upload Queue */

.upload-queue {
  margin-bottom: 2rem;
}

.upload-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 12px 16px;
  margin-bottom: 8px;
  overflow: hidden;
}

.upload-item-info {
  display: flex;
  align-items: center;
  gap: 10px;
}

.upload-item-icon {
  font-size: 1.4rem;
  flex-shrink: 0;
}

.upload-item-details {
  flex: 1;
  min-width: 0;
}

.upload-item-name {
  display: block;
  font-size: 0.85rem;
  font-weight: 400;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.upload-item-size {
  font-size: 0.75rem;
  color: var(--color-text-light);
}

.upload-item-status {
  font-size: 0.8rem;
  color: var(--color-text-light);
  flex-shrink: 0;
}

.upload-item.done .upload-item-status {
  color: var(--color-success);
  font-weight: 500;
}

.upload-item.error .upload-item-status {
  color: var(--color-error);
  font-weight: 500;
}

.upload-item-progress {
  height: 3px;
  background: var(--color-border);
  border-radius: 3px;
  margin-top: 8px;
  overflow: hidden;
}

.upload-item-progress-bar {
  height: 100%;
  background: var(--color-primary);
  border-radius: 3px;
  transition: width 0.3s ease;
}

.upload-item.done .upload-item-progress-bar {
  background: var(--color-success);
}

.upload-item.error .upload-item-progress-bar {
  background: var(--color-error);
}

/* --- GALLERY FILTERS --- */

.gallery-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 1rem 0;
  padding: 0 4px;
}

.filter-btn {
  padding: 6px 14px;
  border: 1px solid var(--color-border);
  border-radius: 20px;
  background: var(--color-surface);
  color: var(--color-text-light);
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 400;
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
}

.filter-btn:hover {
  border-color: var(--color-primary-light);
  color: var(--color-text);
}

.filter-btn.active {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

/* --- GALLERY --- */

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
  margin: 1rem 0;
}

.gallery-item {
  aspect-ratio: 1;
  cursor: pointer;
  overflow: hidden;
  border-radius: 4px;
}

.gallery-item-inner {
  width: 100%;
  height: 100%;
  position: relative;
}

.gallery-item-inner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.2s, filter 0.3s, opacity 0.3s;
}

.gallery-item-inner img.loading {
  filter: blur(8px);
  opacity: 0.6;
}

.gallery-item:hover .gallery-item-inner img {
  transform: scale(1.05);
}

.gallery-video {
  background: var(--color-accent);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.video-play-icon {
  font-size: 2rem;
  color: var(--color-primary);
}

.gallery-item-label {
  font-size: 0.75rem;
  color: var(--color-text-light);
  margin-top: 4px;
}

/* Gallery States */

.gallery-loading,
.gallery-empty {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--color-text-light);
}

.gallery-empty svg {
  color: var(--color-primary-light);
  margin-bottom: 1rem;
}

.gallery-empty .hint {
  font-size: 0.85rem;
  margin-top: 0.3rem;
}

.spinner {
  width: 32px;
  height: 32px;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto 1rem;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* --- LIGHTBOX --- */

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(0, 0, 0, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 44px;
  height: 44px;
  border: none;
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
  font-size: 1.8rem;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1001;
}

.lightbox-content {
  max-width: 95vw;
  max-height: 90vh;
}

.lightbox-content img,
.lightbox-content iframe {
  max-width: 100%;
  max-height: 90vh;
  object-fit: contain;
  border-radius: 4px;
  transition: filter 0.3s;
}

.lightbox-content iframe {
  width: 90vw;
  height: 80vh;
  border: none;
}

.lightbox-content img.loading {
  filter: blur(10px);
}

/* --- RESPONSIVE --- */

@media (max-width: 480px) {
  .couple-names {
    font-size: 2rem;
  }

  .upload-zone {
    padding: 2rem 1.5rem;
  }

  .gallery-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 2px;
  }
}

@media (min-width: 768px) {
  .gallery-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 6px;
  }

  .gallery-item {
    border-radius: 6px;
  }
}