/* Word Page Orientation — client-only SPA */

:root {
  --bg: #0f0f12;
  --surface: #18181c;
  --border: #2a2a30;
  --text: #e4e4e7;
  --text-muted: #a1a1aa;
  --accent: #7c3aed;
  --accent-hover: #8b5cf6;
  --success: #22c55e;
  --success-hover: #4ade80;
  --radius: 10px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "DM Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.5;
}

.app {
  max-width: 1400px;
  margin: 0 auto;
  padding: 2rem;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.hidden {
  display: none !important;
}

/* Header */
.header {
  text-align: center;
  margin-bottom: 2rem;
}

.header h1 {
  font-size: 1.75rem;
  font-weight: 700;
  margin: 0 0 0.5rem;
  letter-spacing: -0.02em;
}

.tagline {
  color: var(--text-muted);
  margin: 0;
  font-size: 0.95rem;
}

/* Main */
.main {
  flex: 1;
}

/* Upload */
.upload-section {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 320px;
}

.upload-zone {
  width: 100%;
  max-width: 420px;
  padding: 3rem 2rem;
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
}

.upload-zone:hover,
.upload-zone.dragover {
  border-color: var(--accent);
  background: rgba(124, 58, 237, 0.06);
}

.upload-content {
  text-align: center;
}

.upload-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 1rem;
  display: block;
  color: var(--accent);
}

.upload-content p {
  margin: 0 0 0.25rem;
  color: var(--text);
}

.upload-hint {
  font-size: 0.8rem;
  color: var(--text-muted) !important;
}

/* Workspace */
.workspace {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  min-height: 60vh;
}

.workspace-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
}

.toolbar-actions {
  display: flex;
  gap: 0.75rem;
  margin-left: auto;
}

.page-instruction {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin: 0;
}

.pages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 1.25rem;
  align-items: start;
  max-width: 100%;
}

.page-thumbnail {
  position: relative;
  max-width: 240px;
  justify-self: start;
  background: var(--surface);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  transition: border-color 0.2s, box-shadow 0.2s;
  box-shadow: var(--shadow);
}

.page-thumbnail:hover {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(124, 58, 237, 0.2);
}

.page-thumbnail.selected {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.4);
}

.page-thumbnail.selected .page-thumbnail-label::after {
  content: " · Landscape";
  opacity: 0.9;
}

.page-thumbnail-label {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  padding: 0.35rem 0.5rem;
  background: rgba(0, 0, 0, 0.6);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 500;
  z-index: 1;
}

/* A4 portrait proportion: 210 / 297 */
.page-thumbnail-content {
  width: 100%;
  aspect-ratio: 210 / 297;
  overflow: hidden;
  background: #fff;
  color: #1a1a1a;
  transform-origin: top left;
  display: block;
  position: relative;
}

.page-thumbnail-content section {
  pointer-events: none;
  height: 877px !important;
  min-height: 877px !important;
  max-height: 877px !important;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.6rem 1.2rem;
  font-size: 0.95rem;
  font-weight: 500;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.2s, transform 0.1s;
}

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

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.btn-primary {
  background: var(--accent);
  color: white;
}

.btn-primary:hover:not(:disabled) {
  background: var(--accent-hover);
}

.btn-success {
  background: var(--success);
  color: white;
}

.btn-success:hover:not(:disabled) {
  background: var(--success-hover);
}

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

.btn-secondary:hover:not(:disabled) {
  background: var(--border);
}

/* Hidden preview container used only for initial render before moving sections */
.preview-container {
  position: absolute;
  left: -9999px;
  top: 0;
  width: 624px;
  padding: 0;
  overflow: hidden;
}

.preview-container .docx-wrapper {
  font-family: Georgia, "Times New Roman", serif;
  padding: 0;
}

/* Thumbnail page content: scale down the docx section to fit card */
.page-thumbnail-content .docx-wrapper {
  padding: 0;
}

/* Footer */
.footer {
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer p {
  margin: 0;
}