:root {
  color-scheme: light;
  --bg-base: #f7f5f0;
  --bg-accent: #eef6f5;
  --surface: #ffffff;
  --text: #0f172a;
  --muted: #64748b;
  --accent: #0f766e;
  --accent-strong: #115e59;
  --accent-warm: #f59e0b;
  --border: rgba(15, 118, 110, 0.16);
  --shadow: 0 24px 60px rgba(15, 23, 42, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Space Grotesk", sans-serif;
  color: var(--text);
  background: radial-gradient(circle at top right, var(--bg-accent), var(--bg-base) 55%);
}

.page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding: 28px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 16px;
}

.brand-mark {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  background: linear-gradient(135deg, #0f766e, #14b8a6);
  color: white;
  display: grid;
  place-items: center;
  font-weight: 700;
  letter-spacing: 0.8px;
}

.brand h1 {
  margin: 0;
  font-size: 26px;
}

.brand p {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.user-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--muted);
}

.user {
  font-weight: 600;
  color: var(--text);
}

.user-admin {
  cursor: pointer;
  padding: 4px 10px;
  border-radius: 8px;
  transition: background 0.2s ease, color 0.2s ease;
}

.user-admin:hover {
  background: rgba(15, 118, 110, 0.1);
  color: var(--accent-strong);
}

.ghost-button,
.primary-button {
  border: none;
  border-radius: 12px;
  padding: 10px 16px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  font-family: inherit;
}

.primary-button {
  background: var(--accent);
  color: white;
  box-shadow: 0 12px 24px rgba(15, 118, 110, 0.2);
}

.primary-button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  box-shadow: none;
}

.ghost-button {
  background: transparent;
  color: var(--accent-strong);
  border: 1px solid var(--border);
}

.ghost-button:hover,
.primary-button:hover {
  transform: translateY(-1px);
}

.content {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 380px);
  gap: 24px;
}

.upload-card,
.link-card {
  background: var(--surface);
  border-radius: 24px;
  box-shadow: var(--shadow);
  padding: 24px;
  border: 1px solid rgba(15, 118, 110, 0.08);
}

.upload-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.upload-header h2 {
  margin: 0 0 6px;
  font-size: 20px;
}

.upload-header p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.toggle {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--muted);
  font-size: 13px;
}

.toggle-button {
  width: 44px;
  height: 24px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: #e2e8f0;
  position: relative;
  cursor: pointer;
}

.toggle-button::after {
  content: "";
  position: absolute;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: white;
  top: 2px;
  left: 2px;
  transition: transform 0.2s ease;
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.2);
}

.toggle-button.active {
  background: var(--accent);
}

.toggle-button.active::after {
  transform: translateX(20px);
}

.drop-zone {
  margin-top: 20px;
  border: 2px dashed rgba(15, 118, 110, 0.3);
  border-radius: 20px;
  padding: 28px;
  cursor: pointer;
  transition: border 0.2s ease, background 0.2s ease;
  background: rgba(15, 118, 110, 0.03);
}

.upload-card.drag-active .drop-zone {
  border-color: var(--accent);
  background: rgba(15, 118, 110, 0.08);
}

.drop-content {
  display: flex;
  align-items: center;
  gap: 16px;
}

.drop-icon {
  width: 48px;
  height: 48px;
  border-radius: 16px;
  background: rgba(15, 118, 110, 0.12);
  display: grid;
  place-items: center;
  font-size: 18px;
}

.drop-text strong {
  display: block;
  font-size: 16px;
}

.drop-text span {
  color: var(--muted);
  font-size: 13px;
}

.file-input {
  display: none;
}

.upload-list {
  margin-top: 20px;
  display: grid;
  gap: 12px;
}

.upload-item {
  border-radius: 14px;
  border: 1px solid rgba(15, 118, 110, 0.12);
  padding: 12px 14px;
  display: grid;
  gap: 8px;
}

.upload-item.done {
  border-color: rgba(15, 118, 110, 0.4);
}

.upload-item.error {
  border-color: rgba(239, 68, 68, 0.4);
}

.upload-meta {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  color: var(--muted);
}

.upload-progress {
  height: 6px;
  background: rgba(15, 118, 110, 0.1);
  border-radius: 999px;
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, #0f766e, #14b8a6);
  transition: width 0.2s ease;
}

.upload-status {
  font-size: 12px;
  color: var(--muted);
}

.link-card h3 {
  margin: 0;
  font-size: 18px;
}

.link-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.format-buttons {
  display: flex;
  gap: 8px;
}

.format-buttons button {
  border: 1px solid var(--border);
  background: transparent;
  border-radius: 10px;
  padding: 6px 12px;
  font-size: 12px;
  color: var(--muted);
  cursor: pointer;
}

.format-buttons button.active {
  background: rgba(15, 118, 110, 0.12);
  color: var(--accent-strong);
}

.link-card textarea {
  width: 100%;
  margin-top: 16px;
  min-height: 160px;
  border-radius: 12px;
  border: 1px solid rgba(15, 118, 110, 0.2);
  padding: 12px;
  font-size: 13px;
  font-family: "Space Grotesk", sans-serif;
  resize: vertical;
}

.link-actions {
  display: flex;
  gap: 12px;
  margin-top: 16px;
}

.empty {
  padding: 16px;
  text-align: center;
  color: var(--muted);
  background: rgba(15, 118, 110, 0.05);
  border-radius: 12px;
}

.toast-stack {
  position: fixed;
  right: 24px;
  bottom: 24px;
  display: grid;
  gap: 10px;
  z-index: 999;
}

.toast {
  background: var(--surface);
  border-radius: 12px;
  padding: 10px 14px;
  box-shadow: var(--shadow);
  font-size: 13px;
  border: 1px solid rgba(15, 118, 110, 0.1);
}

.toast.success {
  border-color: rgba(34, 197, 94, 0.4);
}

.toast.error {
  border-color: rgba(239, 68, 68, 0.4);
}

.toast.info {
  border-color: rgba(59, 130, 246, 0.4);
}

/* ============ Admin View ============ */

.admin-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  background: var(--surface);
  border-radius: 18px;
  padding: 16px 20px;
  border: 1px solid rgba(15, 118, 110, 0.1);
  box-shadow: var(--shadow);
}

.stats {
  display: flex;
  gap: 16px;
  color: var(--muted);
  font-size: 14px;
}

.actions {
  display: flex;
  gap: 10px;
  align-items: center;
}

.danger-button {
  border: none;
  border-radius: 12px;
  padding: 10px 16px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  font-family: inherit;
  background: #dc2626;
  color: white;
  box-shadow: 0 12px 24px rgba(220, 38, 38, 0.2);
}

.danger-button:hover {
  transform: translateY(-1px);
}

.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
  margin-top: 24px;
}

.media-card {
  background: var(--surface);
  border-radius: 18px;
  border: 1px solid rgba(15, 118, 110, 0.1);
  box-shadow: var(--shadow);
  overflow: hidden;
  position: relative;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.media-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 24px 50px rgba(15, 23, 42, 0.16);
}

.media-card.selected {
  border: 2px solid var(--accent);
}

.media-type {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(15, 118, 110, 0.9);
  color: white;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 11px;
  letter-spacing: 0.4px;
  z-index: 2;
}

.media-preview {
  position: relative;
  aspect-ratio: 1 / 1;
  display: grid;
  place-items: center;
  background: rgba(15, 118, 110, 0.03);
}

.media-image,
.media-video {
  width: 100%;
  height: 100%;
  object-fit: contain;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.media-image.loaded,
.media-video.loaded {
  opacity: 1;
}

.media-file {
  font-size: 42px;
}

.skeleton {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, #f0f1f3 25%, #e5e7eb 50%, #f0f1f3 75%);
  background-size: 200% 100%;
  animation: shimmer 1.4s infinite;
}

.skeleton.hidden {
  display: none;
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

.media-meta {
  display: flex;
  flex-direction: column;
  gap: 4px;
  align-items: flex-start;
  padding: 12px 14px;
  font-size: 12px;
  color: var(--muted);
}

.media-meta span {
  display: block;
  width: 100%;
  line-height: 1.35;
  word-break: break-word;
}

.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
  margin-top: 24px;
  margin-bottom: 24px;
}

.dropdown {
  position: relative;
}

.dropdown-content {
  position: absolute;
  right: 0;
  top: calc(100% + 8px);
  background: var(--surface);
  border-radius: 12px;
  border: 1px solid rgba(15, 118, 110, 0.15);
  box-shadow: var(--shadow);
  display: grid;
  min-width: 140px;
  overflow: hidden;
  z-index: 5;
}

.dropdown-content button {
  border: none;
  background: transparent;
  padding: 10px 12px;
  text-align: left;
  cursor: pointer;
  font-size: 13px;
  color: var(--text);
}

.dropdown-content button:hover {
  background: rgba(15, 118, 110, 0.08);
}

.loading {
  padding: 24px;
  text-align: center;
  color: var(--muted);
  background: rgba(15, 118, 110, 0.05);
  border-radius: 16px;
  grid-column: 1 / -1;
}

@media (max-width: 980px) {
  .content {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .page {
    padding: 20px;
  }
  .topbar {
    flex-direction: column;
    align-items: flex-start;
  }
  .link-actions {
    flex-direction: column;
  }
  .admin-toolbar {
    flex-direction: column;
    align-items: flex-start;
  }
  .actions {
    width: 100%;
    flex-wrap: wrap;
  }
  .gallery {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
}

.file-drop-zone:hover {
  border-color: #764ba2 !important;
  background: rgba(102, 126, 234, 0.1) !important;
}

.file-drop-zone-title {
  color: #667eea !important;
  font-weight: 500 !important;
}

.btn-danger, .fileinput-remove {
  border-radius: 8px !important;
  font-weight: 500 !important;
  transition: all 0.3s ease !important;
}

.btn-danger:hover, .fileinput-remove:hover {
  transform: translateY(-2px);
}

.btn-danger:active, .fileinput-remove:active {
  transform: translateY(0);
}

.btn-light {
  border-radius: 8px !important;
  font-weight: 500 !important;
  transition: all 0.3s ease !important;
}

.btn-light:hover {
  transform: translateY(-2px);
}

.btn-light:active {
  transform: translateY(0);
}

@media (max-width: 768px) {
  .card {
    width: 95%;
    max-width: 100%;
    padding: 20px;
    border-radius: 12px;
  }

  .title {
    font-size: 24px;
  }

  #viewCacheBtn, #compressionToggleBtn {
    font-size: 20px;
  }

  .btn-primary, .btn-danger, .btn-light {
    min-height: 44px;
    min-width: 44px;
  }

  .cache-item {
    padding: 15px;
  }
}