/* IWantFreeColorTools.com -- Global Styles */

:root {
  --bg: #fafafa;
  --white: #ffffff;
  --primary: #7c3aed;
  --primary-hover: #6d28d9;
  --secondary: #06b6d4;
  --success: #10b981;
  --danger: #ef4444;
  --text: #18181b;
  --muted: #71717a;
  --border: #e4e4e7;
  --radius: 10px;
  --radius-lg: 16px;
  --shadow: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.05);
  --shadow-lg: 0 10px 15px rgba(0,0,0,0.07), 0 4px 6px rgba(0,0,0,0.04);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

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

/* ── Header ── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo {
  display: flex;
  align-items: baseline;
  gap: 0;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.1rem;
  white-space: nowrap;
}
.logo-iwantfree { color: var(--text); }
.logo-color { color: var(--primary); }
.logo-dot { color: var(--muted); font-weight: 400; font-size: 0.9rem; }

.site-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}
.site-nav a {
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 6px 12px;
  border-radius: 6px;
  transition: color 0.15s, background 0.15s;
}
.site-nav a:hover { color: var(--text); background: var(--bg); }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 18px;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.15s;
  font-family: inherit;
  white-space: nowrap;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
}
.btn-primary:hover { background: var(--primary-hover); }

.btn-secondary {
  background: var(--bg);
  color: var(--text);
  border: 1.5px solid var(--border);
}
.btn-secondary:hover { border-color: var(--primary); color: var(--primary); background: #f5f3ff; }

.btn-icon {
  padding: 8px 12px;
  font-size: 0.8rem;
  border-radius: 6px;
  background: var(--bg);
  border: 1.5px solid var(--border);
  color: var(--muted);
  cursor: pointer;
  font-family: inherit;
  font-weight: 500;
  transition: all 0.15s;
}
.btn-icon:hover { border-color: var(--primary); color: var(--primary); background: #f5f3ff; }
.btn-icon.copied { background: #ecfdf5; border-color: var(--success); color: var(--success); }

/* ── Hero ── */
.hero {
  background: linear-gradient(135deg, #f5f3ff 0%, #e0f2fe 50%, #f0fdf4 100%);
  padding: 72px 24px;
  text-align: center;
}

.hero-inner { max-width: 700px; margin: 0 auto; }

.hero h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text);
  margin-bottom: 16px;
}
.hero h1 span { color: var(--primary); }

.hero-sub {
  font-size: 1.1rem;
  color: var(--muted);
  max-width: 560px;
  margin: 0 auto 28px;
  line-height: 1.7;
}

.trust-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-bottom: 8px;
}
.trust-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,255,255,0.85);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 6px 14px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text);
}

/* ── Container ── */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Section titles ── */
.section { padding: 64px 0; }
.section-title {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}
.section-sub {
  color: var(--muted);
  margin-bottom: 40px;
}

/* ── Tool cards ── */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
}

.tool-card {
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: all 0.2s;
  text-decoration: none;
  color: var(--text);
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.tool-card:hover {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(124,58,237,0.08);
  transform: translateY(-2px);
  color: var(--text);
}
.tool-card.coming-soon {
  opacity: 0.6;
  cursor: default;
  pointer-events: none;
}

.tool-emoji { font-size: 2rem; line-height: 1; }
.tool-name {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
}
.tool-desc {
  font-size: 0.85rem;
  color: var(--muted);
  line-height: 1.5;
}
.tool-badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 2px 8px;
  border-radius: 4px;
  background: #f5f3ff;
  color: var(--primary);
  width: fit-content;
}
.tool-badge.soon {
  background: #f4f4f5;
  color: var(--muted);
}

/* ── Inspiration palettes ── */
.palettes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
}
.palette-card {
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.palette-swatches {
  display: flex;
  height: 72px;
}
.palette-swatches span { flex: 1; }
.palette-label {
  padding: 12px 14px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
}

/* ── Tool page layout ── */
.tool-page { max-width: 900px; margin: 0 auto; padding: 40px 24px 80px; }

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 24px;
}
.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb-sep { color: var(--border); }

.tool-page h1 {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 6px;
}
.tool-tagline {
  color: var(--muted);
  margin-bottom: 32px;
  font-size: 1rem;
}

/* ── Tool panels ── */
.tool-panel {
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  margin-bottom: 24px;
  box-shadow: var(--shadow);
}

/* ── Color value rows ── */
.color-value-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
}
.color-value-row:last-child { border-bottom: none; }

.color-value-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
  width: 48px;
  flex-shrink: 0;
}

.color-value-text {
  flex: 1;
  font-family: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;
  font-size: 0.9rem;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px 12px;
  cursor: default;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ── Color swatch preview ── */
.color-preview-swatch {
  width: 100%;
  height: 160px;
  border-radius: var(--radius-lg);
  border: 1.5px solid var(--border);
  margin-bottom: 20px;
  transition: background 0.1s;
}

/* ── Color info cards ── */
.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 12px;
  margin-top: 16px;
}
.info-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 14px;
}
.info-card-label {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
  margin-bottom: 4px;
}
.info-card-value {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
}

/* ── Color input (native picker + hex) ── */
.color-input-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
}
.color-input-wrap input[type="color"] {
  width: 44px;
  height: 44px;
  border: 2px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  padding: 2px;
  background: none;
  flex-shrink: 0;
}
.color-input-wrap input[type="text"] {
  font-family: monospace;
  font-size: 0.9rem;
  padding: 10px 12px;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  width: 110px;
  color: var(--text);
  background: var(--white);
  text-transform: uppercase;
}
.color-input-wrap input[type="text"]:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(124,58,237,0.1);
}

/* ── Palette swatches (tool) ── */
.palette-strip {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}
.palette-swatch {
  flex: 1;
  min-width: 0;
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
  cursor: pointer;
  border: 1.5px solid transparent;
  transition: border-color 0.15s;
}
.palette-swatch:hover { border-color: rgba(0,0,0,0.2); }
.palette-swatch-color {
  height: 100px;
  width: 100%;
  transition: background 0.2s;
}
.palette-swatch-info {
  background: var(--white);
  border-top: 1px solid var(--border);
  padding: 8px 6px 6px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}
.palette-swatch-hex {
  font-family: monospace;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text);
  text-align: center;
}
.lock-btn {
  background: none;
  border: none;
  font-size: 0.8rem;
  cursor: pointer;
  padding: 2px 4px;
  border-radius: 4px;
  line-height: 1;
  color: var(--muted);
  transition: background 0.15s;
}
.lock-btn:hover { background: var(--bg); }
.lock-btn.locked { color: #f59e0b; }

/* ── Gradient preview ── */
.gradient-preview {
  width: 100%;
  height: 180px;
  border-radius: var(--radius-lg);
  border: 1.5px solid var(--border);
  margin-bottom: 20px;
  transition: background 0.1s;
}

.gradient-stop {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}
.gradient-stop:last-child { border-bottom: none; }

/* ── Contrast checker ── */
.contrast-pickers {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 16px;
  align-items: center;
  margin-bottom: 24px;
}
.contrast-ratio-display {
  text-align: center;
  padding: 24px;
  border-radius: var(--radius-lg);
  border: 2px solid var(--border);
  background: var(--bg);
}
.ratio-number {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1;
}
.ratio-label { font-size: 0.8rem; color: var(--muted); margin-top: 4px; }

.contrast-preview {
  border-radius: var(--radius-lg);
  padding: 28px;
  margin-bottom: 20px;
  border: 1.5px solid var(--border);
}
.preview-normal { font-size: 1rem; margin-bottom: 8px; }
.preview-large { font-size: 1.5rem; font-weight: 700; }

.wcag-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}
.wcag-table th, .wcag-table td {
  padding: 10px 14px;
  text-align: center;
  border: 1px solid var(--border);
}
.wcag-table th {
  background: var(--bg);
  font-weight: 600;
  color: var(--muted);
  font-size: 0.8rem;
  text-transform: uppercase;
}
.wcag-table td:first-child { text-align: left; font-weight: 600; }
.pass { color: var(--success); font-weight: 700; }
.fail { color: var(--danger); font-weight: 700; }

.swap-btn {
  background: var(--bg);
  border: 1.5px solid var(--border);
  border-radius: 50%;
  width: 40px;
  height: 40px;
  font-size: 1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s;
  margin: 0 auto;
}
.swap-btn:hover { border-color: var(--primary); color: var(--primary); background: #f5f3ff; }

/* ── Type inputs (hex-to-rgb tool) ── */
.converter-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
}
.converter-row:last-child { border-bottom: none; }
.converter-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
  width: 48px;
  flex-shrink: 0;
}
.converter-input {
  flex: 1;
  font-family: monospace;
  font-size: 0.9rem;
  padding: 10px 12px;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  background: var(--bg);
  transition: border-color 0.15s;
}
.converter-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(124,58,237,0.1);
  background: var(--white);
}
.converter-input.error { border-color: var(--danger); }

/* ── Code block ── */
.code-block {
  background: #18181b;
  color: #e4e4e7;
  border-radius: var(--radius);
  padding: 16px 20px;
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 0.85rem;
  line-height: 1.6;
  position: relative;
  overflow: auto;
}
.code-block .copy-code-btn {
  position: absolute;
  top: 10px;
  right: 10px;
  padding: 4px 10px;
  font-size: 0.75rem;
  border-radius: 5px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  color: #e4e4e7;
  cursor: pointer;
  font-family: inherit;
  transition: background 0.15s;
}
.code-block .copy-code-btn:hover { background: rgba(255,255,255,0.2); }
.code-block .copy-code-btn.copied { background: rgba(16,185,129,0.3); border-color: var(--success); color: #6ee7b7; }

/* ── FAQ ── */
.faq-section { margin-top: 48px; }
.faq-section h2 { font-size: 1.3rem; font-weight: 700; margin-bottom: 16px; }
.faq-item {
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 10px;
  overflow: hidden;
}
.faq-q {
  width: 100%;
  background: var(--white);
  border: none;
  padding: 16px 20px;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  text-align: left;
  font-family: inherit;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}
.faq-q:hover { background: var(--bg); }
.faq-icon {
  font-size: 1.2rem;
  color: var(--primary);
  flex-shrink: 0;
  transition: transform 0.2s;
}
.faq-a {
  display: none;
  padding: 0 20px 16px;
  background: var(--white);
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.7;
}
.faq-item.open .faq-a { display: block; }
.faq-item.open .faq-icon { transform: rotate(45deg); }

/* ── How to use ── */
.how-to {
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 32px;
  margin-bottom: 24px;
}
.how-to h2 { font-size: 1.15rem; font-weight: 700; margin-bottom: 12px; }
.how-to p { color: var(--muted); font-size: 0.9rem; line-height: 1.75; margin-bottom: 10px; }
.how-to p:last-child { margin-bottom: 0; }

/* ── Related tools ── */
.related-tools {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 8px;
}
.related-tool-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text);
  text-decoration: none;
  transition: all 0.15s;
}
.related-tool-link:hover { border-color: var(--primary); color: var(--primary); background: #f5f3ff; }

/* ── Gradient controls ── */
.gradient-type-btns {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.gradient-type-btn {
  padding: 8px 16px;
  border-radius: 8px;
  border: 1.5px solid var(--border);
  background: var(--bg);
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  transition: all 0.15s;
}
.gradient-type-btn.active, .gradient-type-btn:hover {
  border-color: var(--primary);
  background: #f5f3ff;
  color: var(--primary);
}

.preset-btns {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px;
}
.preset-btn {
  padding: 6px 14px;
  border-radius: 8px;
  border: 1.5px solid var(--border);
  background: var(--white);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  transition: all 0.15s;
  color: var(--text);
}
.preset-btn:hover { border-color: var(--primary); color: var(--primary); background: #f5f3ff; }

/* ── Palette type selector ── */
.palette-type-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}
.palette-type-btn {
  padding: 7px 14px;
  border-radius: 8px;
  border: 1.5px solid var(--border);
  background: var(--bg);
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  transition: all 0.15s;
}
.palette-type-btn.active, .palette-type-btn:hover {
  border-color: var(--primary);
  background: #f5f3ff;
  color: var(--primary);
}

/* ── Range inputs ── */
input[type="range"] {
  -webkit-appearance: none;
  width: 100%;
  height: 6px;
  border-radius: 3px;
  background: var(--border);
  outline: none;
  cursor: pointer;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--primary);
  cursor: pointer;
  border: 2px solid white;
  box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}

/* ── Footer ── */
.site-footer {
  background: var(--text);
  color: rgba(255,255,255,0.7);
  padding: 40px 24px 24px;
  margin-top: 80px;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
}
.footer-more {
  font-size: 0.82rem;
  margin-bottom: 20px;
  line-height: 1.8;
}
.footer-more span { color: rgba(255,255,255,0.4); }
.footer-more a { color: rgba(255,255,255,0.6); margin: 0 4px; }
.footer-more a:hover { color: #fff; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: space-between;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.4);
}
.footer-bottom a { color: rgba(255,255,255,0.4); }
.footer-bottom a:hover { color: rgba(255,255,255,0.7); }

/* ── Utility ── */
.label-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}
.label-sm {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.flex { display: flex; }
.flex-wrap { flex-wrap: wrap; }
.gap-8 { gap: 8px; }
.gap-12 { gap: 12px; }
.items-center { align-items: center; }

/* ── Responsive ── */
@media (max-width: 640px) {
  .header-inner { padding: 0 16px; }
  .site-nav { display: none; }
  .hero { padding: 48px 16px; }
  .hero h1 { font-size: 1.75rem; }
  .tool-page { padding: 24px 16px 60px; }
  .tool-panel { padding: 20px; }
  .contrast-pickers { grid-template-columns: 1fr; }
  .palette-strip { flex-direction: column; }
  .palette-swatch-color { height: 60px; }
  .how-to { padding: 20px; }
  .picker-inner-grid { grid-template-columns: 1fr !important; }
  .tools-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); }
  .info-grid { grid-template-columns: repeat(2, 1fr); }
  .gradient-type-btns { gap: 6px; }
  .preset-btns { gap: 6px; }
  .palette-type-row { gap: 6px; }
}