/* ColorPick Global Styles */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600;700;900&display=swap');

:root {
  --bg: #0a0a0f;
  --surface: #14141f;
  --surface2: #1e1e2e;
  --text: #f0f0f5;
  --text2: #9999aa;
  --accent: #7c3aed;
  --accent2: #ec4899;
  --gradient: linear-gradient(135deg, #7c3aed, #ec4899, #f59e0b);
  --radius: 16px;
}

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

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }

/* Nav */
nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 2rem;
  background: rgba(10,10,15,0.8);
  backdrop-filter: blur(20px);
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.logo {
  font-size: 1.5rem;
  font-weight: 900;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

nav ul {
  display: flex;
  list-style: none;
  gap: 2rem;
}

nav ul a {
  color: var(--text2);
  font-weight: 600;
  transition: color 0.2s;
}

nav ul a:hover, nav ul a.active {
  color: var(--text);
}

/* Container */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2rem;
}

/* Hero */
.hero {
  text-align: center;
  padding: 5rem 2rem 3rem;
}

.hero h1 {
  font-size: 3.5rem;
  font-weight: 900;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 1rem;
}

.hero p {
  color: var(--text2);
  font-size: 1.2rem;
  max-width: 500px;
  margin: 0 auto;
}

/* Cards */
.card {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 2rem;
  border: 1px solid rgba(255,255,255,0.05);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: 12px;
  border: none;
  font-family: inherit;
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-primary {
  background: var(--gradient);
  color: #fff;
}

.btn-primary:hover { opacity: 0.9; transform: translateY(-1px); }

.btn-secondary {
  background: var(--surface2);
  color: var(--text);
  border: 1px solid rgba(255,255,255,0.1);
}

.btn-secondary:hover { background: #2a2a3e; }

/* Color swatch */
.swatch {
  border-radius: 12px;
  cursor: pointer;
  transition: transform 0.2s;
  position: relative;
}

.swatch:hover { transform: scale(1.05); }

/* Palette row */
.palette-row {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
}

.palette-row .swatch {
  width: 120px;
  height: 160px;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding-bottom: 12px;
  font-size: 0.85rem;
  font-weight: 700;
  color: #fff;
  text-shadow: 0 1px 4px rgba(0,0,0,0.5);
}

/* Input */
input[type="text"], input[type="color"], input[type="number"], input[type="range"], select {
  background: var(--surface2);
  border: 1px solid rgba(255,255,255,0.1);
  color: var(--text);
  padding: 0.6rem 1rem;
  border-radius: 10px;
  font-family: inherit;
  font-size: 1rem;
  outline: none;
}

input:focus, select:focus {
  border-color: var(--accent);
}

/* Tabs */
.tabs {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.tab {
  padding: 0.5rem 1.2rem;
  border-radius: 10px;
  background: var(--surface2);
  color: var(--text2);
  border: none;
  cursor: pointer;
  font-weight: 600;
  font-family: inherit;
  transition: all 0.2s;
}

.tab.active {
  background: var(--gradient);
  color: #fff;
}

/* Toast */
.toast {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--surface2);
  color: var(--text);
  padding: 0.8rem 1.5rem;
  border-radius: 12px;
  font-weight: 600;
  opacity: 0;
  transition: all 0.3s;
  z-index: 999;
  border: 1px solid rgba(255,255,255,0.1);
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* Footer */
footer {
  text-align: center;
  padding: 3rem 2rem;
  color: var(--text2);
  font-size: 0.9rem;
}

footer .tip-link {
  color: var(--accent2);
  font-weight: 600;
}

/* Grid */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }

/* Section title */
.section-title {
  font-size: 1.8rem;
  font-weight: 900;
  margin-bottom: 1.5rem;
  text-align: center;
}

/* Tools grid on home */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 3rem;
}

.tool-card {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 2rem;
  border: 1px solid rgba(255,255,255,0.05);
  transition: all 0.3s;
}

.tool-card:hover {
  border-color: rgba(124,58,237,0.3);
  transform: translateY(-4px);
}

.tool-card .icon { font-size: 2.5rem; margin-bottom: 1rem; }
.tool-card h3 { font-size: 1.2rem; margin-bottom: 0.5rem; }
.tool-card p { color: var(--text2); font-size: 0.95rem; }

/* Responsive */
@media (max-width: 768px) {
  .hero h1 { font-size: 2.2rem; }
  .grid-2 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr 1fr; }
  nav ul { gap: 1rem; font-size: 0.9rem; }
  .palette-row .swatch { width: 80px; height: 120px; }
}