/* ============================================
   TOOLTEA — Master Stylesheet
   ============================================ */

/* --- CSS Variables / Design Tokens --- */
:root {
  --color-primary: #1A365D;
  --color-accent: #2E75B6;
  --color-success: #38A169;
  --color-warning: #DD6B20;
  --color-bg: #FFFFFF;
  --color-bg-alt: #F7FAFC;
  --color-text: #2D3748;
  --color-text-light: #718096;
  --color-border: #E2E8F0;
  --color-drop-zone: #EBF4FF;
  --font-heading: 'DM Sans', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --max-width: 1200px;
  --radius: 10px;
  --radius-sm: 6px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,.1);
  --shadow-lg: 0 8px 30px rgba(0,0,0,.12);
  --transition: .2s ease;
}

/* Dark mode */
[data-theme="dark"] {
  --color-primary: #90CDF4;
  --color-accent: #63B3ED;
  --color-bg: #1A202C;
  --color-bg-alt: #2D3748;
  --color-text: #E2E8F0;
  --color-text-light: #A0AEC0;
  --color-border: #4A5568;
  --color-drop-zone: #2A3A50;
}

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

/* --- Tea Cup Logo Steam Animation --- */
@keyframes steam-rise {
  0% { transform: translateY(0); opacity: 0; }
  15% { opacity: 0.6; }
  50% { opacity: 0.3; }
  100% { transform: translateY(-6px); opacity: 0; }
}
.tt-steam { animation: steam-rise 2.5s ease-in-out infinite; }
.tt-s1 { animation-delay: 0s; }
.tt-s2 { animation-delay: 0.6s; }
.tt-s3 { animation-delay: 1.2s; }

/* --- Smiley Logo --- */
.tt-smiley {
  font-family: 'Nunito', var(--font-heading), sans-serif !important;
  font-weight: 900 !important;
  font-size: 1.55rem !important;
  line-height: 1;
  text-decoration: none !important;
  display: inline-flex !important;
  align-items: baseline;
  gap: 0 !important;
}
.tt-smiley .tt-c1 { color: var(--color-primary); }
.tt-smiley .tt-c2 { color: var(--color-accent); }
.tt-smiley .tt-oo {
  position: relative;
  display: inline-block;
  color: var(--color-primary);
  padding-bottom: 6px;
}
.tt-smiley .tt-arc {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: -2px;
  width: 115%;
  height: 10px;
}
.tt-smiley:hover { opacity: .8; transition: opacity .2s; }
.tt-smiley-footer {
  font-family: 'Nunito', var(--font-heading), sans-serif !important;
  font-weight: 900 !important;
  font-size: 1.35rem !important;
  line-height: 1;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--color-accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-primary); }

img { max-width: 100%; display: block; }

/* --- Layout --- */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 20px; }

.tool-page-grid {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 30px;
  align-items: start;
}
@media (max-width: 960px) {
  .tool-page-grid { grid-template-columns: 1fr; }
}

/* --- Header --- */
.site-header {
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}
.site-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--color-primary);
}
.site-logo svg { width: 28px; height: 28px; }
.site-logo span { color: var(--color-accent); }

.header-nav { display: flex; align-items: center; gap: 20px; }
.header-nav a {
  font-size: .9rem;
  color: var(--color-text-light);
  font-weight: 500;
  transition: color var(--transition);
}
.header-nav a:hover { color: var(--color-accent); }

.theme-toggle {
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 6px 8px;
  cursor: pointer;
  color: var(--color-text);
  display: flex;
  align-items: center;
}

/* Mobile nav */
.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--color-text);
}
@media (max-width: 768px) {
  .mobile-menu-btn { display: block; }
  .header-nav { display: none; }
  .header-nav.active {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 60px;
    left: 0;
    right: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    padding: 15px 20px;
    gap: 12px;
    box-shadow: var(--shadow-md);
  }
}

/* --- Breadcrumbs --- */
.breadcrumbs {
  padding: 12px 0;
  font-size: .85rem;
  color: var(--color-text-light);
}
.breadcrumbs a { color: var(--color-text-light); }
.breadcrumbs a:hover { color: var(--color-accent); }
.breadcrumbs .sep { margin: 0 6px; opacity: .5; }

/* --- Ad Slots --- */
.ad-slot {
  background: var(--color-bg-alt);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-light);
  font-size: .75rem;
  text-transform: uppercase;
  letter-spacing: .05em;
  min-height: 90px;
  margin: 16px 0;
  overflow: hidden;
}
.ad-slot[data-slot="slot-1"] { min-height: 90px; max-height: 100px; }
.ad-slot[data-slot="slot-2"] { min-height: 250px; max-width: 336px; margin-left: auto; margin-right: auto; }
.ad-slot[data-slot="slot-3"] { min-height: 250px; max-width: 336px; }
.ad-slot[data-slot="slot-4"] {
  min-height: 600px;
  position: sticky;
  top: 80px;
}
.ad-slot[data-slot="slot-5"] {
  display: none; /* mobile only */
}
@media (max-width: 768px) {
  .ad-slot[data-slot="slot-4"] { display: none; }
  .ad-slot[data-slot="slot-5"] {
    display: flex;
    position: fixed;
    bottom: 0; left: 0; right: 0;
    z-index: 90;
    min-height: 50px;
    border-radius: 0;
    margin: 0;
    background: var(--color-bg);
    border-top: 1px solid var(--color-border);
  }
}

/* --- Tool Page Heading --- */
.tool-heading {
  text-align: center;
  padding: 10px 0 20px;
}
.tool-heading h1 {
  font-family: var(--font-heading);
  font-size: 1.85rem;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.3;
  margin-bottom: 8px;
}
.tool-heading .subtitle {
  font-size: 1rem;
  color: var(--color-text-light);
}

/* --- Privacy Badge (small inline) --- */
.privacy-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #EBF8F0;
  color: var(--color-success);
  font-size: .82rem;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 20px;
  margin-top: 10px;
}
[data-theme="dark"] .privacy-badge { background: #1C3D2E; }
.privacy-badge svg { width: 16px; height: 16px; }

/* --- Privacy Trust Card (prominent, above tool) --- */
.trust-card {
  background: linear-gradient(135deg, #EBF8F0 0%, #F0FFF4 100%);
  border: 1px solid #C6F6D5;
  border-radius: var(--radius);
  padding: 16px 20px;
  margin-bottom: 20px;
  display: flex;
  align-items: flex-start;
  gap: 14px;
}
[data-theme="dark"] .trust-card { background: linear-gradient(135deg, #1C3D2E 0%, #1A332A 100%); border-color: #2F5F45; }
.trust-card-icon {
  width: 40px;
  height: 40px;
  min-width: 40px;
  background: var(--color-success);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.trust-card-icon svg { width: 20px; height: 20px; color: #fff; }
.trust-card-content { flex: 1; }
.trust-card-title {
  font-weight: 700;
  font-size: .95rem;
  color: var(--color-success);
  margin-bottom: 4px;
}
[data-theme="dark"] .trust-card-title { color: #86EFAC; }
.trust-card-points {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
  font-size: .82rem;
  color: var(--color-text-light);
  line-height: 1.5;
}
.trust-card-points span { display: inline-flex; align-items: center; gap: 4px; }
.trust-card-points span::before { content: '✓'; color: var(--color-success); font-weight: 700; }

/* --- Tool Widget Card --- */
.tool-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 30px;
  box-shadow: var(--shadow-sm);
}

/* --- Drop Zone --- */
.drop-zone {
  border: 2px dashed var(--color-accent);
  border-radius: var(--radius);
  padding: 50px 30px;
  text-align: center;
  cursor: pointer;
  background: var(--color-drop-zone);
  transition: all var(--transition);
}
.drop-zone:hover, .drop-zone.drag-over {
  border-color: var(--color-success);
  background: #EBF8F0;
  transform: scale(1.01);
}
[data-theme="dark"] .drop-zone:hover,
[data-theme="dark"] .drop-zone.drag-over { background: #1C3D2E; }
.drop-zone-icon {
  font-size: 2.5rem;
  margin-bottom: 10px;
  color: var(--color-accent);
}
.drop-zone-text { font-size: 1rem; color: var(--color-text-light); }
.drop-zone-text strong { color: var(--color-accent); }
.drop-zone input[type="file"] { display: none; }

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-body);
  font-size: .95rem;
  font-weight: 600;
  padding: 12px 28px;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
}
.btn:disabled { opacity: .5; cursor: not-allowed; }

.btn-primary { background: var(--color-accent); color: #fff; }
.btn-primary:hover:not(:disabled) { background: #2563A8; transform: translateY(-1px); box-shadow: var(--shadow-md); }

.btn-success { background: var(--color-success); color: #fff; }
.btn-success:hover:not(:disabled) { background: #2F8F5B; transform: translateY(-1px); box-shadow: var(--shadow-md); }

.btn-outline { background: transparent; border: 2px solid var(--color-accent); color: var(--color-accent); }
.btn-outline:hover:not(:disabled) { background: var(--color-accent); color: #fff; }

.btn-lg { padding: 16px 36px; font-size: 1.05rem; border-radius: var(--radius); }

/* --- Input & Textarea --- */
.input, .textarea {
  width: 100%;
  padding: 12px 16px;
  font-family: var(--font-body);
  font-size: .95rem;
  color: var(--color-text);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition);
}
.input:focus, .textarea:focus { outline: none; border-color: var(--color-accent); box-shadow: 0 0 0 3px rgba(46,117,182,.15); }
.textarea { min-height: 180px; resize: vertical; font-family: var(--font-mono); font-size: .88rem; line-height: 1.5; }

/* --- Progress Bar --- */
.progress-bar-wrap {
  background: var(--color-bg-alt);
  border-radius: 20px;
  overflow: hidden;
  height: 10px;
  margin: 16px 0;
}
.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--color-accent), var(--color-success));
  border-radius: 20px;
  transition: width .4s ease;
  width: 0%;
}

/* --- Result Area --- */
.result-area {
  display: none;
  text-align: center;
  padding: 20px 0;
}
.result-area.active { display: block; }
.result-info { font-size: .9rem; color: var(--color-text-light); margin: 10px 0 16px; }
.result-preview { margin: 16px auto; max-width: 400px; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); }
.result-preview img { width: 100%; }

/* --- Download Page / Overlay --- */
.download-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.55);
  z-index: 200;
  align-items: center;
  justify-content: center;
}
.download-overlay.active { display: flex; }
.download-modal {
  background: var(--color-bg);
  border-radius: var(--radius);
  padding: 40px 30px;
  max-width: 520px;
  width: 90%;
  text-align: center;
  box-shadow: var(--shadow-lg);
  position: relative;
}
.download-modal h2 { font-size: 1.3rem; color: var(--color-primary); margin-bottom: 8px; }
.download-modal .dl-subtitle { color: var(--color-text-light); font-size: .9rem; margin-bottom: 20px; }

/* Spinner */
.spinner {
  width: 48px; height: 48px;
  border: 4px solid var(--color-border);
  border-top-color: var(--color-accent);
  border-radius: 50%;
  animation: spin .8s linear infinite;
  margin: 0 auto 16px;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Countdown */
.countdown { font-size: 2rem; font-weight: 700; color: var(--color-accent); margin: 12px 0; }
.download-ready { display: none; }
.download-ready.active { display: block; }

.dl-ad-slot {
  background: var(--color-bg-alt);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-sm);
  min-height: 90px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-light);
  font-size: .75rem;
  text-transform: uppercase;
  margin: 16px 0;
}

.close-modal {
  position: absolute;
  top: 12px; right: 12px;
  background: none;
  border: none;
  font-size: 1.4rem;
  cursor: pointer;
  color: var(--color-text-light);
}

/* --- SEO Content --- */
.seo-content {
  padding: 40px 0;
}
.seo-content h2 {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  color: var(--color-primary);
  margin-bottom: 12px;
  margin-top: 30px;
}
.seo-content h2:first-child { margin-top: 0; }
.seo-content p { margin-bottom: 14px; color: var(--color-text); line-height: 1.7; }
.seo-content ul, .seo-content ol { margin-bottom: 14px; padding-left: 22px; }
.seo-content li { margin-bottom: 6px; line-height: 1.6; }

/* --- FAQ --- */
.faq-section { padding: 10px 0 30px; }
.faq-item {
  border-bottom: 1px solid var(--color-border);
}
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-family: var(--font-body);
}
.faq-question .faq-icon { transition: transform var(--transition); font-size: 1.2rem; color: var(--color-accent); }
.faq-question.active .faq-icon { transform: rotate(45deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .3s ease;
  color: var(--color-text-light);
  line-height: 1.6;
  font-size: .93rem;
}
.faq-answer.active { max-height: 500px; padding-bottom: 16px; }

/* --- Related Tools Grid --- */
.related-tools { padding: 30px 0 50px; }
.related-tools h2 {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  color: var(--color-primary);
  margin-bottom: 20px;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
  gap: 16px;
}
.related-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 20px 12px;
  background: var(--color-bg-alt);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  text-align: center;
  transition: all var(--transition);
  text-decoration: none;
  color: var(--color-text);
}
.related-card:hover { border-color: var(--color-accent); transform: translateY(-3px); box-shadow: var(--shadow-md); color: var(--color-accent); }
.related-card-icon { font-size: 1.8rem; }
.related-card-title { font-size: .85rem; font-weight: 600; }

/* --- Sibling Tools (same-category links bar) --- */
.sibling-tools {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 16px 20px;
  margin-top: 24px;
}
.sibling-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}
.sibling-label {
  font-weight: 700;
  font-size: .95rem;
  color: var(--color-primary);
}
.sibling-all {
  font-size: .82rem;
  font-weight: 600;
  color: var(--color-accent);
}
.sibling-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.sibling-link {
  display: inline-block;
  padding: 6px 14px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 20px;
  font-size: .82rem;
  font-weight: 500;
  color: var(--color-text);
  text-decoration: none;
  transition: all var(--transition);
  white-space: nowrap;
}
.sibling-link:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: var(--color-drop-zone);
}

/* --- Footer --- */
.site-footer {
  background: var(--color-primary);
  color: #CBD5E0;
  padding: 40px 0 24px;
  margin-top: 40px;
}
[data-theme="dark"] .site-footer { background: #0D1B2A; }
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 30px;
  margin-bottom: 30px;
}
@media (max-width: 768px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 480px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-brand { font-size: .9rem; line-height: 1.6; }
.footer-brand .site-logo { color: #fff; margin-bottom: 10px; }
.footer-heading { font-weight: 700; color: #fff; font-size: .85rem; text-transform: uppercase; letter-spacing: .05em; margin-bottom: 12px; }
.footer-links { list-style: none; }
.footer-links li { margin-bottom: 8px; }
.footer-links a { color: #CBD5E0; font-size: .88rem; }
.footer-links a:hover { color: #fff; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.15);
  padding-top: 20px;
  text-align: center;
  font-size: .82rem;
  opacity: .7;
}

/* --- Homepage --- */
.hero {
  text-align: center;
  padding: 50px 0 30px;
}
.hero h1 { font-family: var(--font-heading); font-size: 2.2rem; color: var(--color-primary); margin-bottom: 10px; }
.hero p { font-size: 1.1rem; color: var(--color-text-light); max-width: 600px; margin: 0 auto 24px; }

.search-box {
  max-width: 500px;
  margin: 0 auto 16px;
  position: relative;
}
.search-box input {
  width: 100%;
  padding: 14px 20px 14px 44px;
  border: 2px solid var(--color-border);
  border-radius: 30px;
  font-size: 1rem;
  background: var(--color-bg);
  color: var(--color-text);
  transition: border-color var(--transition);
}
.search-box input:focus { outline: none; border-color: var(--color-accent); }
.search-box .search-icon {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-light);
}

.category-tabs {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  padding: 10px 0 30px;
}
.cat-tab {
  padding: 8px 18px;
  border-radius: 20px;
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  color: var(--color-text-light);
  font-size: .88rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
  font-family: var(--font-body);
}
.cat-tab:hover, .cat-tab.active { background: var(--color-accent); color: #fff; border-color: var(--color-accent); }

.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
  padding-bottom: 40px;
}
.tool-grid-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 24px 16px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  text-align: center;
  transition: all var(--transition);
  text-decoration: none;
  color: var(--color-text);
}
.tool-grid-card:hover { border-color: var(--color-accent); transform: translateY(-3px); box-shadow: var(--shadow-md); }
.tool-grid-card .tg-icon { font-size: 2rem; margin-bottom: 4px; }
.tool-grid-card .tg-name { font-weight: 600; font-size: .92rem; }
.tool-grid-card .tg-desc { font-size: .78rem; color: var(--color-text-light); }

/* --- Utility --- */
.text-center { text-align: center; }
.mt-20 { margin-top: 20px; }
.mb-20 { margin-bottom: 20px; }
.hidden { display: none !important; }
.flex-center { display: flex; align-items: center; justify-content: center; }

/* --- Stats Row --- */
.stats-row {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin: 16px 0;
}
.stat-chip {
  background: var(--color-bg-alt);
  border-radius: var(--radius-sm);
  padding: 8px 16px;
  font-size: .85rem;
  display: flex;
  align-items: center;
  gap: 6px;
}
.stat-chip strong { color: var(--color-success); }

/* --- Tab Switcher --- */
.tab-group { display: flex; gap: 4px; background: var(--color-bg-alt); border-radius: var(--radius-sm); padding: 4px; margin-bottom: 16px; }
.tab-btn {
  flex: 1;
  padding: 8px 16px;
  border: none;
  border-radius: var(--radius-sm);
  background: transparent;
  font-family: var(--font-body);
  font-size: .88rem;
  font-weight: 500;
  color: var(--color-text-light);
  cursor: pointer;
  transition: all var(--transition);
}
.tab-btn.active { background: var(--color-bg); color: var(--color-accent); box-shadow: var(--shadow-sm); }

/* --- Most Popular Tools Sidebar (Level 3 linking) --- */
.popular-tools-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 16px;
}
.popular-tools-title {
  font-weight: 700;
  font-size: .95rem;
  color: var(--color-primary);
  margin-bottom: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--color-border);
}
.popular-tool-link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 0;
  font-size: .85rem;
  color: var(--color-text);
  text-decoration: none;
  transition: color var(--transition);
  border-bottom: 1px solid var(--color-border);
}
.popular-tool-link:last-child { border-bottom: none; }
.popular-tool-link:hover { color: var(--color-accent); }
.popular-tool-link span:first-child { font-size: 1.1rem; min-width: 24px; text-align: center; }