/* =============================================
   PDF TOOLS - GLOBAL STYLES
   imransabqi.com | All rights reserved
   ============================================= */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --primary: #E8431A;
  --primary-dark: #C73610;
  --primary-light: #FF6B47;
  --primary-bg: #FFF4F1;
  --secondary: #1E293B;
  --accent: #F59E0B;
  --surface: #FFFFFF;
  --surface-2: #F8FAFC;
  --surface-3: #F1F5F9;
  --border: #E2E8F0;
  --border-light: #F1F5F9;
  --text-primary: #0F172A;
  --text-secondary: #475569;
  --text-muted: #94A3B8;
  --success: #10B981;
  --warning: #F59E0B;
  --error: #EF4444;
  --info: #3B82F6;
  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.04);
  --shadow: 0 4px 16px rgba(0,0,0,0.08), 0 2px 6px rgba(0,0,0,0.04);
  --shadow-lg: 0 16px 48px rgba(0,0,0,0.12), 0 4px 16px rgba(0,0,0,0.06);
  --shadow-primary: 0 8px 24px rgba(232,67,26,0.3);
  --font: 'Plus Jakarta Sans', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* RESET */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--surface-2);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; }
button { cursor: pointer; font-family: var(--font); }
img { max-width: 100%; }

/* ============ HEADER ============ */
.header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}
.header-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--primary);
  white-space: nowrap;
}
.logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1rem;
}
.logo span { color: var(--text-primary); }

.header-search {
  flex: 1;
  max-width: 400px;
  position: relative;
}
.header-search input {
  width: 100%;
  padding: 9px 16px 9px 40px;
  border: 1.5px solid var(--border);
  border-radius: 50px;
  font-size: 0.875rem;
  font-family: var(--font);
  background: var(--surface-2);
  color: var(--text-primary);
  transition: var(--transition);
  outline: none;
}
.header-search input:focus {
  border-color: var(--primary);
  background: var(--surface);
  box-shadow: 0 0 0 3px rgba(232,67,26,0.1);
}
.header-search .search-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 0.9rem;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-btn {
  padding: 8px 18px;
  border-radius: 50px;
  font-size: 0.875rem;
  font-weight: 600;
  border: none;
  transition: var(--transition);
}
.nav-btn-ghost {
  background: transparent;
  color: var(--text-secondary);
}
.nav-btn-ghost:hover { background: var(--surface-3); color: var(--text-primary); }
.nav-btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: white;
  box-shadow: var(--shadow-primary);
}
.nav-btn-primary:hover { transform: translateY(-1px); box-shadow: 0 10px 28px rgba(232,67,26,0.35); }

/* ============ HERO ============ */
.hero {
  background: linear-gradient(135deg, #0F172A 0%, #1E293B 50%, #0F172A 100%);
  color: white;
  padding: 72px 24px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 30% 50%, rgba(232,67,26,0.15) 0%, transparent 60%),
              radial-gradient(ellipse at 70% 50%, rgba(245,158,11,0.08) 0%, transparent 60%);
}
.hero-inner { position: relative; max-width: 700px; margin: 0 auto; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(232,67,26,0.15);
  border: 1px solid rgba(232,67,26,0.3);
  color: #FF6B47;
  padding: 6px 14px;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 24px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.hero h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}
.hero h1 span { color: var(--primary-light); }
.hero p {
  font-size: 1.1rem;
  color: #94A3B8;
  max-width: 500px;
  margin: 0 auto 36px;
}
.hero-stats {
  display: flex;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
}
.hero-stat { text-align: center; }
.hero-stat-num {
  font-size: 1.8rem;
  font-weight: 800;
  color: white;
  line-height: 1;
}
.hero-stat-label { font-size: 0.8rem; color: #64748B; margin-top: 4px; }

/* ============ MAIN CONTENT ============ */
.main { max-width: 1280px; margin: 0 auto; padding: 48px 24px 80px; }

/* ============ SECTION ============ */
.section { margin-bottom: 56px; }
.section-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
}
.section-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}
.section-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
}
.section-count {
  margin-left: auto;
  font-size: 0.8rem;
  color: var(--text-muted);
  background: var(--surface-3);
  padding: 3px 10px;
  border-radius: 50px;
}

/* ============ TOOL GRID ============ */
.tool-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
}

.tool-card {
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
  position: relative;
  overflow: hidden;
  text-decoration: none;
  color: inherit;
}
.tool-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--card-color, #E8431A) 0%, transparent 100%);
  opacity: 0;
  transition: var(--transition);
  border-radius: var(--radius-lg);
}
.tool-card:hover {
  border-color: var(--card-color, var(--primary));
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}
.tool-card:hover::after { opacity: 0.04; }

.tool-card-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  background: var(--card-bg, #FFF4F1);
  color: var(--card-color, var(--primary));
  flex-shrink: 0;
  transition: var(--transition);
}
.tool-card:hover .tool-card-icon { transform: scale(1.08); }

.tool-card-name {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.3;
}
.tool-card-desc {
  font-size: 0.775rem;
  color: var(--text-muted);
  line-height: 1.4;
}
.tool-card-badge {
  position: absolute;
  top: 10px;
  right: 10px;
  font-size: 0.65rem;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 50px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.badge-new { background: #DCFCE7; color: #166534; }
.badge-api { background: #FEF3C7; color: #92400E; }
.badge-hot { background: #FEE2E2; color: #991B1B; }

/* ============ SEARCH RESULTS ============ */
#search-results-section { display: none; }
#search-results-section.visible { display: block; }

/* ============ FOOTER ============ */
.footer {
  background: #0F172A;
  color: #94A3B8;
  padding: 56px 24px 32px;
}
.footer-inner {
  max-width: 1280px;
  margin: 0 auto;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer-brand { }
.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.2rem;
  font-weight: 800;
  color: white;
  margin-bottom: 16px;
}
.footer-logo-icon {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
}
.footer-desc { font-size: 0.875rem; line-height: 1.7; color: #64748B; }
.footer-col-title {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #CBD5E1;
  margin-bottom: 16px;
}
.footer-links { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-links a {
  font-size: 0.875rem;
  color: #64748B;
  transition: var(--transition);
}
.footer-links a:hover { color: var(--primary-light); }
.footer-bottom {
  border-top: 1px solid #1E293B;
  padding-top: 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.8rem;
}
.footer-bottom-right { display: flex; gap: 20px; }

/* ============ TOOL PAGE ============ */
.tool-page-header {
  background: linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
  padding: 48px 24px;
  color: white;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.tool-page-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 0%, var(--tool-color-glow, rgba(232,67,26,0.2)) 0%, transparent 70%);
}
.tool-page-header-inner { position: relative; max-width: 600px; margin: 0 auto; }
.tool-page-icon-wrap {
  width: 80px;
  height: 80px;
  background: var(--tool-color-bg, rgba(232,67,26,0.15));
  border: 1px solid var(--tool-color-border, rgba(232,67,26,0.3));
  border-radius: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  margin: 0 auto 20px;
}
.tool-page-title {
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 800;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}
.tool-page-desc { font-size: 1rem; color: #94A3B8; }

.tool-workspace { max-width: 800px; margin: 0 auto; padding: 40px 24px 80px; }

/* DROP ZONE */
.drop-zone {
  border: 2px dashed var(--border);
  border-radius: var(--radius-xl);
  padding: 60px 24px;
  text-align: center;
  background: var(--surface);
  cursor: pointer;
  transition: var(--transition);
  position: relative;
}
.drop-zone:hover, .drop-zone.drag-over {
  border-color: var(--primary);
  background: var(--primary-bg);
}
.drop-zone input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
  width: 100%;
  height: 100%;
}
.drop-icon {
  width: 72px;
  height: 72px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  margin: 0 auto 20px;
  box-shadow: var(--shadow-primary);
}
.drop-title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 8px;
}
.drop-subtitle { color: var(--text-muted); font-size: 0.9rem; margin-bottom: 20px; }
.drop-btn {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: white;
  border: none;
  padding: 12px 28px;
  border-radius: 50px;
  font-size: 0.9rem;
  font-weight: 700;
  transition: var(--transition);
  box-shadow: var(--shadow-primary);
}
.drop-btn:hover { transform: translateY(-2px); box-shadow: 0 12px 32px rgba(232,67,26,0.35); }
.drop-meta { margin-top: 16px; font-size: 0.8rem; color: var(--text-muted); }

/* FILE LIST */
.file-list { margin-top: 24px; display: flex; flex-direction: column; gap: 10px; }
.file-item {
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.file-item-icon {
  width: 40px;
  height: 40px;
  background: #FFF4F1;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 1rem;
  flex-shrink: 0;
}
.file-item-info { flex: 1; min-width: 0; }
.file-item-name {
  font-size: 0.875rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.file-item-size { font-size: 0.75rem; color: var(--text-muted); }
.file-item-remove {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1rem;
  padding: 4px;
  border-radius: 6px;
  transition: var(--transition);
}
.file-item-remove:hover { background: #FEE2E2; color: var(--error); }

/* OPTIONS PANEL */
.options-panel {
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-top: 24px;
}
.options-title {
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.78rem;
}
.option-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
  border-bottom: 1px solid var(--border-light);
  gap: 16px;
}
.option-row:last-child { border-bottom: none; padding-bottom: 0; }
.option-label { font-size: 0.875rem; font-weight: 600; color: var(--text-primary); }
.option-desc { font-size: 0.775rem; color: var(--text-muted); margin-top: 2px; }

/* FORM CONTROLS */
select, input[type="text"], input[type="number"], input[type="password"], textarea {
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  font-family: var(--font);
  font-size: 0.875rem;
  color: var(--text-primary);
  background: var(--surface);
  outline: none;
  transition: var(--transition);
}
select:focus, input:focus, textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(232,67,26,0.1);
}

/* TOGGLE */
.toggle {
  position: relative;
  width: 44px;
  height: 24px;
  flex-shrink: 0;
}
.toggle input { opacity: 0; width: 0; height: 0; }
.toggle-slider {
  position: absolute;
  inset: 0;
  background: var(--border);
  border-radius: 50px;
  cursor: pointer;
  transition: var(--transition);
}
.toggle-slider::before {
  content: '';
  position: absolute;
  width: 18px;
  height: 18px;
  left: 3px;
  top: 3px;
  background: white;
  border-radius: 50%;
  transition: var(--transition);
  box-shadow: 0 1px 4px rgba(0,0,0,0.15);
}
.toggle input:checked + .toggle-slider { background: var(--primary); }
.toggle input:checked + .toggle-slider::before { transform: translateX(20px); }

/* ACTION BAR */
.action-bar {
  display: flex;
  gap: 12px;
  margin-top: 28px;
  align-items: center;
}
.btn-process {
  flex: 1;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: white;
  border: none;
  padding: 15px 32px;
  border-radius: 50px;
  font-size: 1rem;
  font-weight: 700;
  transition: var(--transition);
  box-shadow: var(--shadow-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.btn-process:hover:not(:disabled) { transform: translateY(-2px); box-shadow: 0 12px 32px rgba(232,67,26,0.35); }
.btn-process:disabled { opacity: 0.6; cursor: not-allowed; }
.btn-secondary {
  background: var(--surface);
  border: 1.5px solid var(--border);
  color: var(--text-secondary);
  padding: 14px 24px;
  border-radius: 50px;
  font-size: 0.9rem;
  font-weight: 600;
  transition: var(--transition);
}
.btn-secondary:hover { border-color: var(--primary); color: var(--primary); }

/* PROGRESS */
.progress-wrap {
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  text-align: center;
  display: none;
  margin-top: 20px;
}
.progress-wrap.visible { display: block; }
.progress-bar-track {
  background: var(--surface-3);
  border-radius: 50px;
  height: 8px;
  overflow: hidden;
  margin: 16px 0;
}
.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--primary-light));
  border-radius: 50px;
  transition: width 0.3s ease;
  width: 0%;
}
.progress-label { font-size: 0.875rem; color: var(--text-secondary); font-weight: 600; }

/* RESULT */
.result-panel {
  background: var(--surface);
  border: 2px solid var(--success);
  border-radius: var(--radius-lg);
  padding: 32px;
  text-align: center;
  display: none;
  margin-top: 20px;
}
.result-panel.visible { display: block; }
.result-icon {
  font-size: 3rem;
  margin-bottom: 16px;
}
.result-title { font-size: 1.3rem; font-weight: 800; margin-bottom: 8px; }
.result-desc { color: var(--text-muted); margin-bottom: 24px; }
.btn-download {
  background: linear-gradient(135deg, var(--success), #059669);
  color: white;
  border: none;
  padding: 14px 36px;
  border-radius: 50px;
  font-size: 0.95rem;
  font-weight: 700;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 8px 24px rgba(16,185,129,0.3);
}
.btn-download:hover { transform: translateY(-2px); box-shadow: 0 12px 32px rgba(16,185,129,0.4); }
.btn-new-file {
  background: none;
  border: none;
  color: var(--primary);
  font-size: 0.875rem;
  font-weight: 600;
  margin-top: 16px;
  display: block;
  width: 100%;
  padding: 8px;
}
.btn-new-file:hover { text-decoration: underline; }

/* PAGE THUMBNAILS (for split/organize) */
.pages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 12px;
  margin-top: 20px;
}
.page-thumb {
  background: var(--surface);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  padding: 8px;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
}
.page-thumb:hover { border-color: var(--primary); }
.page-thumb.selected { border-color: var(--primary); background: var(--primary-bg); }
.page-thumb canvas { width: 100% !important; height: auto !important; border-radius: 6px; }
.page-thumb-num {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-top: 6px;
}
.page-thumb-check {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 22px;
  height: 22px;
  background: var(--primary);
  color: white;
  border-radius: 50%;
  font-size: 0.7rem;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition);
}
.page-thumb.selected .page-thumb-check { opacity: 1; }

/* TOAST */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  padding: 14px 20px;
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: var(--shadow-lg);
  z-index: 999;
  transform: translateY(80px);
  opacity: 0;
  transition: 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.toast.show { transform: translateY(0); opacity: 1; }
.toast-success { background: #DCFCE7; color: #166534; border: 1px solid #86EFAC; }
.toast-error { background: #FEE2E2; color: #991B1B; border: 1px solid #FECACA; }
.toast-info { background: #EFF6FF; color: #1E40AF; border: 1px solid #BFDBFE; }

/* BREADCRUMB */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  color: var(--text-muted);
  max-width: 800px;
  margin: 20px auto 0;
  padding: 0 24px;
}
.breadcrumb a { color: var(--primary); }
.breadcrumb a:hover { text-decoration: underline; }

/* UTILS */
.hidden { display: none !important; }
.text-center { text-align: center; }
.mt-4 { margin-top: 16px; }
.mt-6 { margin-top: 24px; }

/* RESPONSIVE */
@media (max-width: 768px) {
  .hero { padding: 48px 16px; }
  .hero-stats { gap: 24px; }
  .header-search { display: none; }
  .tool-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .action-bar { flex-direction: column; }
  .btn-process, .btn-secondary { width: 100%; }
}
@media (max-width: 480px) {
  .header-inner { padding: 0 16px; }
  .main { padding: 32px 16px 60px; }
  .tool-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
}