/* =============================================
   CV VIEWER — style.css
   Aesthetic: Editorial · Ink & Parchment
   ============================================= */

/* ── Variables ─────────────────────────────── */
:root {
  --ink:        #0f0e0c;
  --ink-muted:  #4a4640;
  --ink-light:  #8a8480;
  --parchment:  #f5f2ec;
  --cream:      #faf8f4;
  --warm-white: #fffdf9;
  --accent:     #c8390a;
  --accent-dim: #e8a090;
  --border:     #ddd9d1;
  --border-dark:#bbb5ac;
  --shadow-sm:  0 2px 8px rgba(15,14,12,.08);
  --shadow-md:  0 8px 32px rgba(15,14,12,.12);
  --shadow-lg:  0 20px 60px rgba(15,14,12,.18);
  --radius:     6px;
  --radius-lg:  12px;
  --font-display: 'DM Serif Display', Georgia, serif;
  --font-body:    'DM Sans', system-ui, sans-serif;
  --font-mono:    'DM Mono', 'Courier New', monospace;
  --transition:   0.22s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--parchment);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

/* ── Grain Texture ─────────────────────────── */
.grain {
  pointer-events: none;
  position: fixed;
  inset: -50%;
  width: 200%;
  height: 200%;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 512 512' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='1'/%3E%3C/svg%3E");
  opacity: 0.04;
  z-index: 1000;
  animation: grain-move 8s steps(10) infinite;
}

@keyframes grain-move {
  0%, 100% { transform: translate(0, 0); }
  10% { transform: translate(-2%, -3%); }
  20% { transform: translate(3%, 1%); }
  30% { transform: translate(-1%, 4%); }
  40% { transform: translate(2%, -2%); }
  50% { transform: translate(-3%, 2%); }
  60% { transform: translate(1%, -4%); }
  70% { transform: translate(3%, 3%); }
  80% { transform: translate(-2%, 1%); }
  90% { transform: translate(2%, -1%); }
}

/* ── Header ────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(245, 242, 236, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  display: flex;
  align-items: center;
  gap: 2px;
}

.logo-bracket {
  color: var(--accent);
}

.logo-text {
  color: var(--ink);
}

.logo-text em {
  font-style: italic;
  font-family: var(--font-display);
  font-size: 1.05em;
}

.nav-tag {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ink-light);
  letter-spacing: 0.05em;
}

/* ── Main Content ──────────────────────────── */
.main-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  min-height: calc(100vh - 120px);
}

/* ── Upload Section ────────────────────────── */
.upload-section {
  padding: 5rem 0 4rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3rem;
  animation: fade-up 0.7s ease both;
}

@keyframes fade-up {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

.upload-hero {
  text-align: center;
  max-width: 600px;
}

.upload-label {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.15em;
  color: var(--accent);
  text-transform: lowercase;
  margin-bottom: 1.2rem;
}

.upload-title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 7vw, 5rem);
  line-height: 1.05;
  color: var(--ink);
  margin-bottom: 1.2rem;
}

.upload-title em {
  color: var(--accent);
}

.upload-subtitle {
  font-size: 1rem;
  color: var(--ink-muted);
  line-height: 1.7;
  max-width: 440px;
  margin: 0 auto;
}

/* ── Drop Zone ─────────────────────────────── */
.drop-zone {
  width: 100%;
  max-width: 560px;
  border: 2px dashed var(--border-dark);
  border-radius: var(--radius-lg);
  background: var(--warm-white);
  transition: border-color var(--transition), background var(--transition), transform var(--transition);
  cursor: pointer;
}

.drop-zone:hover,
.drop-zone.drag-over {
  border-color: var(--accent);
  background: #fff9f7;
  transform: translateY(-2px);
}

.drop-zone.drag-over {
  box-shadow: 0 0 0 4px rgba(200, 57, 10, 0.12);
}

.drop-zone-inner {
  padding: 3rem 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

.drop-icon {
  width: 64px;
  height: 64px;
  color: var(--ink-light);
  margin-bottom: 0.5rem;
  transition: color var(--transition);
}

.drop-zone:hover .drop-icon,
.drop-zone.drag-over .drop-icon {
  color: var(--accent);
}

.drop-text {
  font-size: 1rem;
  font-weight: 500;
  color: var(--ink);
}

.drop-sub {
  font-size: 0.85rem;
  color: var(--ink-light);
}

.drop-info {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--ink-light);
  letter-spacing: 0.04em;
  margin-top: 0.25rem;
}

/* ── Upload Button ─────────────────────────── */
.btn-upload {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1.6rem;
  background: var(--ink);
  color: var(--parchment);
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
  user-select: none;
}

.btn-upload:hover {
  background: var(--accent);
  transform: translateY(-1px);
}

/* ── File Info Bar ─────────────────────────── */
.file-info-bar {
  width: 100%;
  max-width: 560px;
  background: var(--warm-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1rem 1.25rem;
  box-shadow: var(--shadow-sm);
  animation: fade-up 0.4s ease both;
}

.file-info-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.file-meta {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  min-width: 0;
}

.file-icon { font-size: 1.5rem; flex-shrink: 0; }

.file-name {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--ink);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 260px;
}

.file-size {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--ink-light);
}

.file-actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-shrink: 0;
}

.btn-view {
  padding: 0.5rem 1.2rem;
  background: var(--accent);
  color: #fff;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
  letter-spacing: 0.02em;
}

.btn-view:hover {
  background: #a62d07;
  transform: translateY(-1px);
}

.btn-remove {
  width: 32px;
  height: 32px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--ink-light);
  font-size: 0.85rem;
  cursor: pointer;
  transition: all var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn-remove:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* ── Hidden utility ────────────────────────── */
.hidden { display: none !important; }

/* ── Viewer Section ────────────────────────── */
.viewer-section {
  padding: 2rem 0 4rem;
  animation: fade-up 0.5s ease both;
}

/* Toolbar */
.viewer-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--warm-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  padding: 0.75rem 1.25rem;
  gap: 1rem;
  flex-wrap: wrap;
}

.viewer-file-info {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  min-width: 0;
}

.viewer-file-icon { font-size: 1.1rem; }

.viewer-file-name {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--ink);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 260px;
}

.viewer-controls {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  flex-wrap: wrap;
}

.ctrl-btn {
  width: 34px;
  height: 34px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--ink-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}

.ctrl-btn svg { width: 16px; height: 16px; }

.ctrl-btn:hover {
  border-color: var(--ink);
  color: var(--ink);
  background: var(--parchment);
}

.ctrl-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.ctrl-close:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.page-indicator,
.zoom-label {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ink-muted);
  padding: 0 0.4rem;
  min-width: 60px;
  text-align: center;
}

.ctrl-divider {
  width: 1px;
  height: 20px;
  background: var(--border);
  margin: 0 0.2rem;
}

/* Canvas wrapper */
.viewer-canvas-wrapper {
  position: relative;
  background: #e8e4dc;
  border-left: 1px solid var(--border);
  border-right: 1px solid var(--border);
  min-height: 600px;
  display: flex;
  align-items: flex-start;
  justify-content: center;
}

.canvas-scroll {
  width: 100%;
  overflow: auto;
  display: flex;
  justify-content: center;
  padding: 2rem;
}

.canvas-shadow {
  box-shadow: var(--shadow-lg);
  border-radius: 2px;
  overflow: hidden;
  transition: transform var(--transition);
  line-height: 0;
}

#pdf-canvas {
  display: block;
  max-width: 100%;
  height: auto;
}

/* Loading Spinner */
.viewer-loading {
  position: absolute;
  inset: 0;
  background: rgba(232, 228, 220, 0.85);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  backdrop-filter: blur(4px);
  z-index: 10;
}

.viewer-loading.hidden { display: none !important; }

.viewer-loading p {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--ink-muted);
  letter-spacing: 0.06em;
}

.spinner {
  width: 36px;
  height: 36px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

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

/* Thumbnails panel */
.thumbnails-panel {
  background: var(--warm-white);
  border: 1px solid var(--border);
  border-top: none;
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  padding: 1rem 1.25rem;
  overflow-x: auto;
}

.thumbnails-list {
  display: flex;
  gap: 0.75rem;
  align-items: flex-end;
}

.thumb-item {
  flex-shrink: 0;
  cursor: pointer;
  border-radius: 4px;
  overflow: hidden;
  border: 2px solid transparent;
  transition: border-color var(--transition), transform var(--transition);
  position: relative;
}

.thumb-item:hover { transform: translateY(-2px); }

.thumb-item.active { border-color: var(--accent); }

.thumb-item canvas {
  display: block;
  width: 70px;
  height: auto;
}

.thumb-label {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(15,14,12,0.55);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  text-align: center;
  padding: 2px 0;
}

/* ── Footer ────────────────────────────────── */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 1.25rem 2rem;
  text-align: center;
}

.site-footer p {
  font-size: 0.82rem;
  color: var(--ink-light);
}

.footer-mono {
  font-family: var(--font-mono);
  color: var(--ink-muted);
}

/* ── Responsive ────────────────────────────── */
@media (max-width: 640px) {
  .upload-section { padding: 3rem 0 2.5rem; }
  .upload-title { font-size: 2.5rem; }
  .viewer-toolbar { justify-content: center; }
  .viewer-file-info { display: none; }
  .canvas-scroll { padding: 1rem; }
  .thumb-item canvas { width: 52px; }
}