@import url('font.css');

/* ==========================================================================
   AD TOOLS 2.0 — DESIGN SYSTEM & COMPONENT LIBRARY
   Modern, Ultra-responsive, 100% Client-side & Privacy-first Suite
   ========================================================================== */

:root {
  /* Colors - Light Theme */
  --bg-page: #f8fafc;
  --bg-subtle: #f1f5f9;
  --card-bg: #ffffff;
  --card-hover: #ffffff;
  --card-border: rgba(226, 232, 240, 0.85);
  --card-border-hover: rgba(99, 102, 241, 0.35);
  
  --ink: #0f172a;
  --ink-secondary: #334155;
  --muted: #64748b;
  --faint: #94a3b8;
  
  --accent: #5548e6;
  --accent-rgb: 85, 72, 230;
  --accent-press: #4336c9;
  --accent-soft: #f0effe;
  --accent-ink: #ffffff;
  --accent-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #a855f7 100%);
  --accent-glow: rgba(99, 102, 241, 0.25);
  
  --ok: #10b981;
  --ok-soft: #ecfdf5;
  --err: #ef4444;
  --err-soft: #fef2f2;
  --warn: #f59e0b;
  --warn-soft: #fffbeb;
  
  --nav-bg: rgba(255, 255, 255, 0.82);
  --nav-border: rgba(226, 232, 240, 0.8);
  
  /* Shadows */
  --shadow-xs: 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-sm: 0 2px 4px rgba(15, 23, 42, 0.04), 0 1px 2px rgba(15, 23, 42, 0.03);
  --shadow-card: 0 10px 30px -10px rgba(15, 23, 42, 0.06), 0 2px 8px -2px rgba(15, 23, 42, 0.03);
  --shadow-card-hover: 0 20px 40px -12px rgba(99, 102, 241, 0.18), 0 4px 12px -2px rgba(15, 23, 42, 0.04);
  --shadow-dropdown: 0 16px 36px -8px rgba(15, 23, 42, 0.12), 0 4px 12px rgba(15, 23, 42, 0.06);
  --shadow-modal: 0 25px 60px -15px rgba(15, 23, 42, 0.25);
  
  /* Radii */
  --radius-xs: 6px;
  --radius-sm: 10px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;

  /* Typography */
  --sans: 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --mono: 'JetBrains Mono', 'Fira Code', Menlo, Monaco, Consolas, monospace;
}

/* ==========================================================================
   Dark Mode Theme Overrides
   ========================================================================== */
html[data-theme="dark"] {
  --bg-page: #090d16;
  --bg-subtle: #0f1626;
  --card-bg: #121a2d;
  --card-hover: #172138;
  --card-border: rgba(255, 255, 255, 0.08);
  --card-border-hover: rgba(129, 140, 248, 0.4);
  
  --ink: #f8fafc;
  --ink-secondary: #cbd5e1;
  --muted: #94a3b8;
  --faint: #64748b;
  
  --accent: #6d61f2;
  --accent-rgb: 109, 97, 242;
  --accent-press: #5b4fe3;
  --accent-soft: rgba(109, 97, 242, 0.15);
  --accent-ink: #ffffff;
  --accent-gradient: linear-gradient(135deg, #6366f1 0%, #818cf8 50%, #c084fc 100%);
  --accent-glow: rgba(109, 97, 242, 0.35);
  
  --ok: #34d399;
  --ok-soft: rgba(16, 185, 129, 0.15);
  --err: #f87171;
  --err-soft: rgba(239, 68, 68, 0.15);
  --warn: #fbbf24;
  --warn-soft: rgba(245, 158, 11, 0.15);
  
  --nav-bg: rgba(9, 13, 22, 0.85);
  --nav-border: rgba(255, 255, 255, 0.08);
  
  --shadow-card: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
  --shadow-card-hover: 0 20px 45px -12px rgba(109, 97, 242, 0.3), 0 4px 16px rgba(0, 0, 0, 0.4);
  --shadow-dropdown: 0 16px 40px -8px rgba(0, 0, 0, 0.7);
  --shadow-modal: 0 30px 70px -15px rgba(0, 0, 0, 0.85);
}

/* ==========================================================================
   CSS Reset & Global Settings
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  min-height: 100vh;
  font-family: var(--sans);
  color: var(--ink);
  background-color: var(--bg-page);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  position: relative;
  background-image:
    radial-gradient(1200px 520px at 50% -80px, rgba(99, 102, 241, 0.12) 0%, rgba(99, 102, 241, 0) 70%),
    radial-gradient(800px 400px at 80% 20%, rgba(168, 85, 247, 0.06) 0%, rgba(168, 85, 247, 0) 65%);
  transition: background-color 0.25s ease, color 0.25s ease;
}

html[data-theme="dark"] body {
  background-image:
    radial-gradient(1200px 560px at 50% -100px, rgba(99, 102, 241, 0.18) 0%, rgba(99, 102, 241, 0) 70%),
    radial-gradient(900px 450px at 85% 15%, rgba(192, 132, 252, 0.08) 0%, rgba(192, 132, 242, 0) 65%);
}

/* Smooth Theme Switching Transitions */
body, .app-navbar, .card, .tool-card, .btn, .primary, .field, input, select, textarea {
  transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
}

/* ==========================================================================
   Universal Glassmorphic Top Navbar
   ========================================================================== */
.app-navbar {
  position: sticky;
  top: 0;
  z-index: 200;
  width: 100%;
  background: var(--nav-bg);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--nav-border);
  transition: all 0.2s ease;
}

.nav-container {
  max-width: 1220px;
  margin: 0 auto;
  padding: 0 20px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.nav-left {
  display: flex;
  align-items: center;
  gap: 14px;
  flex: none;
}

.brand-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--ink);
  font-weight: 800;
  font-size: 19px;
  letter-spacing: -0.02em;
  transition: opacity 0.15s ease, transform 0.15s ease;
}
.brand-link:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.brand-icon {
  width: 32px;
  height: 32px;
  border-radius: 10px;
  background: var(--accent-gradient);
  display: grid;
  place-items: center;
  color: #fff;
  box-shadow: 0 4px 12px var(--accent-glow);
  flex: none;
}
.brand-icon svg {
  width: 18px;
  height: 18px;
}

.brand-badge {
  font-size: 11px;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* Back Link (On individual tool pages) */
.nav-back-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 700;
  color: var(--ink);
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  text-decoration: none;
  box-shadow: var(--shadow-xs);
  transition: all 0.15s ease;
}
.nav-back-link:hover {
  background: var(--accent-soft);
  color: var(--accent);
  border-color: var(--accent);
  transform: translateX(-2px);
}
.nav-back-link svg {
  width: 14px;
  height: 14px;
  transition: transform 0.15s ease;
}
.nav-back-link:hover svg {
  transform: translateX(-2px);
}

/* Tool Switcher Dropdown */
.nav-center {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 1;
  position: relative;
}

.tool-switcher-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 16px;
  border-radius: var(--radius-full);
  font-family: var(--sans);
  font-size: 13.5px;
  font-weight: 700;
  color: var(--ink);
  background: var(--bg-subtle);
  border: 1px solid var(--card-border);
  cursor: pointer;
  transition: all 0.15s ease;
}
.tool-switcher-btn:hover {
  background: var(--card-bg);
  border-color: var(--accent);
  color: var(--accent);
  box-shadow: var(--shadow-sm);
}
.tool-switcher-btn svg.chevron {
  width: 13px;
  height: 13px;
  color: var(--muted);
  transition: transform 0.2s ease;
}
.tool-switcher-btn[aria-expanded="true"] svg.chevron {
  transform: rotate(180deg);
}

.tool-dropdown-menu {
  position: absolute;
  top: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  width: min(540px, 94vw);
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 14px;
  box-shadow: var(--shadow-dropdown);
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.2s;
  z-index: 300;
}
.tool-dropdown-menu.open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

.menu-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  color: var(--ink);
  transition: background 0.15s ease, transform 0.15s ease;
}
.menu-item:hover {
  background: var(--accent-soft);
  transform: translateX(2px);
}
.menu-item.active {
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 700;
}
.menu-icon {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  display: grid;
  place-items: center;
  color: #fff;
  flex: none;
}
.menu-text {
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.menu-text b {
  font-size: 13.5px;
  font-weight: 700;
  line-height: 1.25;
}
.menu-text span {
  font-size: 11.5px;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Nav Right Items */
.nav-right {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: none;
}

.privacy-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 700;
  background: var(--ok-soft);
  color: var(--ok);
  border: 1px solid rgba(16, 185, 129, 0.2);
}
.pulse-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--ok);
  box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.6);
  animation: pulseGreen 2s infinite;
}
@keyframes pulseGreen {
  0% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.6); }
  70% { box-shadow: 0 0 0 6px rgba(16, 185, 129, 0); }
  100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

/* Theme Toggle Button */
.theme-toggle-btn {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--bg-subtle);
  border: 1px solid var(--card-border);
  color: var(--ink-secondary);
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: all 0.2s ease;
  position: relative;
}
.theme-toggle-btn:hover {
  background: var(--card-bg);
  border-color: var(--accent);
  color: var(--accent);
  transform: scale(1.05);
}
.theme-toggle-btn svg {
  width: 19px;
  height: 19px;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.2s ease;
}
.theme-toggle-btn .ic-sun { display: none; }
.theme-toggle-btn .ic-moon { display: block; }
html[data-theme="dark"] .theme-toggle-btn .ic-sun { display: block; }
html[data-theme="dark"] .theme-toggle-btn .ic-moon { display: none; }
html[data-theme="dark"] .theme-toggle-btn svg { transform: rotate(360deg); }

/* Legacy Theme Button Fallback Support */
.theme-toggle {
  display: none !important;
}

/* ==========================================================================
   Global App Layout Containers
   ========================================================================== */
.app-container {
  max-width: 1220px;
  margin: 0 auto;
  padding: 40px 24px 80px;
}

/* Wrap backwards compatibility */
.wrap {
  max-width: 1140px;
  margin: 0 auto;
  padding: 24px 20px 80px;
}
.wrap.wide, .wrap.codew {
  max-width: 1240px;
}

/* ==========================================================================
   Hero Section & Filter Bar (Hub)
   ========================================================================== */
.hero {
  text-align: center;
  margin-bottom: 44px;
  position: relative;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 18px;
  border: 1px solid rgba(var(--accent-rgb), 0.15);
  animation: fadeInDown 0.5s ease;
}

.hero-title {
  font-size: clamp(32px, 5vw, 48px);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--ink);
  margin-bottom: 14px;
}
.hero-title .gradient-text {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  max-width: 580px;
  margin: 0 auto 24px;
  font-size: clamp(15px, 2vw, 17px);
  color: var(--muted);
  font-weight: 500;
  line-height: 1.6;
}

.hero-guarantee {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--muted);
  background: var(--card-bg);
  padding: 8px 18px;
  border-radius: var(--radius-full);
  border: 1px solid var(--card-border);
  box-shadow: var(--shadow-xs);
}
.hero-guarantee svg {
  width: 16px;
  height: 16px;
  color: var(--ok);
  flex: none;
}

/* Interactive Filter & Search Bar */
.hub-toolbar {
  max-width: 780px;
  margin: 32px auto 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.search-box {
  position: relative;
  width: 100%;
}
.search-icon {
  position: absolute;
  left: 18px;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  color: var(--faint);
  pointer-events: none;
}
.search-input {
  width: 100%;
  padding: 15px 48px 15px 48px;
  font-family: var(--sans);
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  outline: none;
  transition: all 0.2s ease;
}
.search-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft), var(--shadow-md);
}
.search-shortcut {
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  padding: 3px 8px;
  border-radius: 6px;
  background: var(--bg-subtle);
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  border: 1px solid var(--card-border);
  pointer-events: none;
}

.category-chips {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
}

.cat-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 15px;
  border-radius: var(--radius-full);
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 700;
  color: var(--muted);
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  cursor: pointer;
  transition: all 0.15s ease;
}
.cat-chip:hover {
  color: var(--ink);
  border-color: var(--faint);
  transform: translateY(-1px);
}
.cat-chip.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  box-shadow: 0 4px 12px var(--accent-glow);
}

/* ==========================================================================
   Tools Grid & Cards
   ========================================================================== */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(330px, 1fr));
  gap: 22px;
  margin-top: 36px;
}

.tool-card {
  display: flex;
  flex-direction: column;
  position: relative;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-xl);
  padding: 26px;
  text-decoration: none;
  color: inherit;
  box-shadow: var(--shadow-card);
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow 0.25s cubic-bezier(0.16, 1, 0.3, 1),
              border-color 0.25s ease;
  overflow: hidden;
  animation: cardEnter 0.5s ease both;
}

.tool-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-card-hover);
  border-color: var(--card-border-hover);
}

.tool-card:active {
  transform: translateY(-2px) scale(0.99);
}

.tool-card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.tool-icon-box {
  width: 58px;
  height: 58px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  color: #fff;
  flex: none;
  box-shadow: 0 10px 22px -6px rgba(0,0,0,0.2);
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.tool-card:hover .tool-icon-box {
  transform: scale(1.08) rotate(2deg);
}
.tool-icon-box svg {
  width: 28px;
  height: 28px;
}

/* Unique Icon Gradients per category */
.icon-conv { background: linear-gradient(135deg, #6366f1, #8b5cf6); box-shadow: 0 10px 22px -6px rgba(99, 102, 241, 0.45); }
.icon-pdf  { background: linear-gradient(135deg, #f43f5e, #e11d48); box-shadow: 0 10px 22px -6px rgba(244, 63, 94, 0.45); }
.icon-qr   { background: linear-gradient(135deg, #10b981, #059669); box-shadow: 0 10px 22px -6px rgba(16, 185, 129, 0.45); }
.icon-ocr  { background: linear-gradient(135deg, #f59e0b, #d97706); box-shadow: 0 10px 22px -6px rgba(245, 158, 11, 0.45); }
.icon-stt  { background: linear-gradient(135deg, #06b6d4, #0284c7); box-shadow: 0 10px 22px -6px rgba(6, 182, 212, 0.45); }
.icon-html { background: linear-gradient(135deg, #8b5cf6, #d946ef); box-shadow: 0 10px 22px -6px rgba(139, 92, 246, 0.45); }

.tool-badge-pill {
  font-size: 11.5px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  background: var(--bg-subtle);
  color: var(--muted);
  border: 1px solid var(--card-border);
  letter-spacing: 0.02em;
}

.tool-card-body {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.tool-card-title {
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin-bottom: 8px;
  line-height: 1.25;
}

.tool-card-desc {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.5;
  margin-bottom: 20px;
  flex: 1;
}

.tool-card-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  border-top: 1px solid var(--card-border);
  gap: 12px;
}

.tool-tags {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.tag-mini {
  font-size: 11px;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 6px;
  background: var(--bg-subtle);
  color: var(--muted);
}

.tool-card-action {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13.5px;
  font-weight: 800;
  color: var(--accent);
  transition: transform 0.2s ease;
  white-space: nowrap;
}
.tool-card:hover .tool-card-action {
  transform: translateX(4px);
}
.tool-card-action svg {
  width: 16px;
  height: 16px;
}

/* Empty State */
.tools-empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 60px 20px;
  background: var(--card-bg);
  border: 1px dashed var(--card-border);
  border-radius: var(--radius-xl);
}
.empty-icon {
  width: 52px;
  height: 52px;
  margin: 0 auto 16px;
  color: var(--faint);
}
.empty-title {
  font-size: 18px;
  font-weight: 800;
  color: var(--ink);
  margin-bottom: 6px;
}
.empty-sub {
  font-size: 14px;
  color: var(--muted);
}

/* ==========================================================================
   Hub Footer & Modal Dialogs
   ========================================================================== */
.hub-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--card-border);
  flex-wrap: wrap;
  gap: 16px;
}

.hub-foot-left {
  font-size: 13.5px;
  color: var(--muted);
  font-weight: 500;
}
.hub-foot-left b {
  color: var(--ink);
}

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

.foot-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  cursor: pointer;
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 700;
  color: var(--ink-secondary);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-xs);
  transition: all 0.15s ease;
}
.foot-btn:hover {
  color: var(--accent);
  background: var(--accent-soft);
  border-color: var(--accent);
  transform: translateY(-1px);
}
.foot-btn svg {
  width: 15px;
  height: 15px;
}

/* Modals */
.modal {
  position: fixed;
  inset: 0;
  z-index: 500;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(10, 15, 26, 0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  animation: fadeIn 0.2s ease;
}
.modal[hidden] {
  display: none;
}

.modal-card {
  position: relative;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-xl);
  padding: 32px 30px;
  width: min(520px, 100%);
  box-shadow: var(--shadow-modal);
  max-height: 90vh;
  overflow-y: auto;
  animation: popIn 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-x {
  position: absolute;
  top: 18px;
  right: 18px;
  border: none;
  background: var(--bg-subtle);
  font-size: 20px;
  line-height: 1;
  color: var(--muted);
  cursor: pointer;
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  display: grid;
  place-items: center;
  transition: all 0.15s ease;
}
.modal-x:hover {
  background: var(--accent-soft);
  color: var(--accent);
  transform: rotate(90deg);
}

.modal-title {
  margin: 0 0 10px;
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.modal-sub {
  margin: 0 0 20px;
  font-size: 14px;
  color: var(--muted);
  line-height: 1.5;
}

.modal-body p {
  margin: 0 0 14px;
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--ink-secondary);
}

.modal-sign {
  margin: 20px 0 0;
  font-size: 14px;
  font-weight: 800;
  color: var(--accent);
}

/* Rating Stars */
.stars {
  display: flex;
  gap: 8px;
  margin-bottom: 18px;
}
.star {
  border: none;
  background: none;
  cursor: pointer;
  font-size: 34px;
  line-height: 1;
  color: var(--card-border);
  transition: transform 0.15s ease, color 0.15s ease;
  padding: 0;
}
.star:hover, .star.on {
  color: #fbbf24;
  transform: scale(1.15);
}

.rate-comment {
  width: 100%;
  min-height: 110px;
  resize: vertical;
  font-family: var(--sans);
  font-size: 14px;
  color: var(--ink);
  background: var(--bg-subtle);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  outline: none;
  margin-bottom: 18px;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.rate-comment:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.modal-note {
  margin: 14px 0 0;
  font-size: 12.5px;
  color: var(--faint);
  line-height: 1.5;
}

/* ==========================================================================
   Tool Pages Modern Component Styles
   ========================================================================== */

/* Masthead inside tools */
.masthead {
  text-align: center;
  margin-bottom: 36px;
}
.masthead .logo {
  font-weight: 800;
  font-size: 28px;
  letter-spacing: -0.02em;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}
.masthead .logo .mark {
  width: 36px;
  height: 36px;
  border-radius: 12px;
  flex: none;
  display: grid;
  place-items: center;
  background: var(--accent-gradient);
  color: #fff;
  box-shadow: 0 8px 18px -4px var(--accent-glow);
}
.masthead .logo .mark svg {
  width: 20px;
  height: 20px;
}
.masthead .logo .tagpill {
  font-size: 13px;
  font-weight: 700;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 3px 10px;
  border-radius: var(--radius-full);
}
.masthead .lead {
  margin: 10px auto 0;
  max-width: 34rem;
  color: var(--muted);
  font-size: 15.5px;
  font-weight: 500;
}
.masthead .assure {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-top: 12px;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--muted);
  background: var(--card-bg);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  border: 1px solid var(--card-border);
}
.masthead .assure svg {
  width: 14px;
  height: 14px;
  color: var(--ok);
  flex: none;
}

/* Dropzone (Conversion, PDF, OCR) */
.drop {
  display: block;
  position: relative;
  margin-top: 10px;
  border-radius: var(--radius-xl);
  background: var(--card-bg);
  border: 2px dashed var(--card-border);
  padding: 48px 28px;
  text-align: center;
  cursor: pointer;
  box-shadow: var(--shadow-card);
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}
.drop:hover, .drop.hot {
  border-color: var(--accent);
  background: var(--accent-soft);
  transform: translateY(-3px);
  box-shadow: var(--shadow-card-hover);
}
.drop .ico {
  width: 64px;
  height: 64px;
  margin: 0 auto 18px;
  border-radius: 20px;
  display: grid;
  place-items: center;
  background: var(--accent-gradient);
  color: #fff;
  box-shadow: 0 12px 24px -6px var(--accent-glow);
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.drop:hover .ico {
  transform: scale(1.1) rotate(4deg);
}
.drop .ico svg {
  width: 30px;
  height: 30px;
}
.drop h2 {
  margin: 0 0 6px;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--ink);
}
.drop p {
  margin: 0;
  color: var(--muted);
  font-size: 14.5px;
}
.browse {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 22px;
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  background: var(--accent);
  border-radius: var(--radius-sm);
  padding: 12px 26px;
  box-shadow: 0 8px 20px -4px var(--accent-glow);
  transition: all 0.15s ease;
}
.drop:hover .browse {
  background: var(--accent-press);
  transform: translateY(-1px);
}
.drop .formats {
  margin-top: 18px;
  color: var(--faint);
  font-size: 12.5px;
  font-weight: 600;
}
input[type="file"] {
  display: none;
}

/* Buttons */
.primary {
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 700;
  color: var(--accent-ink);
  background: var(--accent);
  border: none;
  border-radius: var(--radius-sm);
  padding: 12px 24px;
  cursor: pointer;
  box-shadow: 0 8px 18px -4px var(--accent-glow);
  transition: all 0.15s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.primary:hover:not(:disabled) {
  background: var(--accent-press);
  transform: translateY(-2px);
  box-shadow: 0 12px 24px -4px var(--accent-glow);
}
.primary:active:not(:disabled) {
  transform: translateY(0);
}
.primary:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  box-shadow: none;
}
.primary.ghost {
  background: var(--card-bg);
  color: var(--accent);
  border: 1px solid var(--accent);
  box-shadow: none;
}
.primary.ghost:hover:not(:disabled) {
  background: var(--accent-soft);
}

/* Cards across tools */
.card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-xl);
  padding: 24px;
  box-shadow: var(--shadow-card);
}

/* Pills & Badges */
.pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.pill {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  font-family: var(--sans);
  font-size: 13.5px;
  font-weight: 700;
  color: var(--muted);
  background: var(--bg-subtle);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-sm);
  padding: 8px 16px;
  cursor: pointer;
  transition: all 0.15s ease;
}
.pill .ext {
  font-size: 11px;
  font-weight: 600;
  color: var(--faint);
}
.pill:hover {
  background: var(--accent-soft);
  color: var(--ink);
  border-color: var(--accent);
}
.pill.on {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  box-shadow: 0 4px 12px var(--accent-glow);
}
.pill.on .ext {
  color: rgba(255, 255, 255, 0.8);
}

/* Segmented controls (e.g. in QR code) */
.seg {
  display: flex;
  background: var(--bg-subtle);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 4px;
  gap: 4px;
}
.seg-btn {
  flex: 1;
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 700;
  color: var(--muted);
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  padding: 9px 12px;
  cursor: pointer;
  transition: all 0.15s ease;
}
.seg-btn:hover {
  color: var(--ink);
}
.seg-btn.on {
  background: var(--card-bg);
  color: var(--accent);
  box-shadow: var(--shadow-sm);
}

/* Fields & Inputs */
.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 14px;
}
.field label {
  font-size: 12.5px;
  font-weight: 700;
  color: var(--ink-secondary);
}
.field input, .field select, .field textarea {
  width: 100%;
  font-family: var(--sans);
  font-size: 14px;
  color: var(--ink);
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-sm);
  padding: 11px 14px;
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.field input:focus, .field select:focus, .field textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

/* HTML Editor Layout (html.html) */
.split {
  display: flex;
  gap: 16px;
  min-height: 520px;
  margin-top: 18px;
}
.pane {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}
.pane-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 18px;
  background: var(--bg-subtle);
  border-bottom: 1px solid var(--card-border);
}
.pane-label {
  font-size: 13px;
  font-weight: 800;
  color: var(--ink);
}
.pane-meta {
  font-size: 12px;
  color: var(--muted);
}
.pane-act {
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 700;
  color: var(--accent);
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-xs);
  padding: 4px 10px;
  cursor: pointer;
  transition: all 0.15s ease;
}
.pane-act:hover {
  background: var(--accent-soft);
}
#code {
  flex: 1;
  width: 100%;
  font-family: var(--mono);
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--card-bg);
  border: none;
  padding: 18px;
  outline: none;
  resize: none;
}
#preview {
  flex: 1;
  width: 100%;
  border: none;
  background: #fff;
}
.resizer {
  width: 8px;
  cursor: col-resize;
  background: transparent;
  transition: background 0.2s ease;
  border-radius: 4px;
}
.resizer:hover, .resizer.dragging {
  background: var(--accent);
}
.code-tools {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 18px;
  flex-wrap: wrap;
}
.linkbtn {
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 700;
  color: var(--muted);
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-sm);
  padding: 7px 14px;
  cursor: pointer;
  transition: all 0.15s ease;
}
.linkbtn:hover {
  color: var(--ink);
  border-color: var(--faint);
  background: var(--bg-subtle);
}
.spacer {
  flex: 1;
}

/* ==========================================================================
   Animations
   ========================================================================== */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes cardEnter {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes popIn {
  from { opacity: 0; transform: scale(0.96) translateY(10px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

/* Staggered card entrance */
.tools-grid .tool-card:nth-child(1) { animation-delay: 0.04s; }
.tools-grid .tool-card:nth-child(2) { animation-delay: 0.08s; }
.tools-grid .tool-card:nth-child(3) { animation-delay: 0.12s; }
.tools-grid .tool-card:nth-child(4) { animation-delay: 0.16s; }
.tools-grid .tool-card:nth-child(5) { animation-delay: 0.20s; }
.tools-grid .tool-card:nth-child(6) { animation-delay: 0.24s; }

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */
@media (max-width: 900px) {
  .split {
    flex-direction: column;
    height: auto;
  }
  .resizer {
    display: none;
  }
  .pane {
    min-height: 380px;
  }
  .qr-grid {
    grid-template-columns: 1fr !important;
  }
}

@media (max-width: 680px) {
  .nav-container {
    height: 58px;
    padding: 0 16px;
  }
  .brand-badge {
    display: none;
  }
  .privacy-pill {
    display: none;
  }
  .tool-switcher-btn span.name {
    max-width: 110px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  .tool-dropdown-menu {
    grid-template-columns: 1fr;
    width: 92vw;
  }
  .hero-title {
    font-size: 28px;
  }
  .tools-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .tool-card {
    padding: 20px;
  }
  .hub-foot {
    flex-direction: column;
    align-items: stretch;
    text-align: center;
  }
  .hub-foot-actions {
    justify-content: center;
  }
}