/* ==========================================================================
   Leo Tsai HR & IT Hub - Executive Design System (leotsai.me)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Noto+Sans+TC:wght@400;700&display=swap');

:root {
  --bg-dark: #090d16;
  --bg-card: rgba(17, 24, 39, 0.85);
  --bg-tertiary: #1f2937;
  --text-main: #f9fafb;
  --text-muted: #9ca3af;
  --text-dim: #6b7280;
  --accent-indigo: #6366f1;
  --accent-emerald: #10b981;
  --accent-cyan: #06b6d4;
  --border-color: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(99, 102, 241, 0.45);
  --font-sans: 'Inter', 'Noto Sans TC', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

[data-theme="light"] {
  --bg-dark: #f8fafc;
  --bg-card: rgba(255, 255, 255, 0.9);
  --bg-tertiary: #f1f5f9;
  --text-main: #0f172a;
  --text-muted: #475569;
  --text-dim: #94a3b8;
  --border-color: rgba(0, 0, 0, 0.08);
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.6;
  min-height: 100vh;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(20px);
  background: rgba(9, 13, 22, 0.85);
  border-bottom: 1px solid var(--border-color);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 72px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  font-weight: 700;
  text-decoration: none;
  color: white;
}

.brand-badge {
  background: linear-gradient(135deg, #6366f1, #ec4899);
  color: white;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
}

.brand-text {
  font-weight: 800;
  background: linear-gradient(135deg, #6366f1, #ec4899);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.domain-tag {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  background: rgba(6, 182, 212, 0.12);
  color: #06b6d4;
  padding: 0.2rem 0.65rem;
  border-radius: 20px;
  border: 1px solid rgba(6, 182, 212, 0.25);
}

.nav-controls {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.host-status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.85rem;
  border-radius: 20px;
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: #10b981;
  font-size: 0.8rem;
  font-weight: 600;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #10b981;
  box-shadow: 0 0 10px #10b981;
}

.theme-toggle-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--bg-tertiary);
  color: var(--text-main);
  border: 1px solid var(--border-color);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.hero {
  padding: 4rem 0 3rem;
  text-align: center;
}

.hero-title {
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 1.25rem;
}

.hero-title-gradient {
  background: linear-gradient(135deg, #6366f1, #ec4899);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--text-muted);
  margin-bottom: 2.5rem;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1.25rem;
  max-width: 900px;
  margin: 0 auto;
}

.metric-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 1.25rem;
  border-radius: 14px;
  text-align: center;
}

.metric-value {
  font-size: 1.6rem;
  font-weight: 800;
  color: #6366f1;
}

.metric-label {
  font-size: 0.825rem;
  color: var(--text-muted);
}

.search-filter-box {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 22px;
  padding: 1.75rem;
  margin-bottom: 2.5rem;
}

.search-input-wrapper {
  position: relative;
  margin-bottom: 1.25rem;
}

.search-input {
  width: 100%;
  padding: 0.95rem 1.25rem 0.95rem 3.25rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  color: var(--text-main);
  font-size: 1rem;
}

.search-input-icon {
  position: absolute;
  left: 1.15rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 1.25rem;
}

.filter-pills {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.filter-pill {
  padding: 0.45rem 1.1rem;
  border-radius: 20px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
}

.filter-pill.active {
  background: #6366f1;
  color: white;
  border-color: #6366f1;
}

.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 1.5rem;
  margin-bottom: 4rem;
}

.tool-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 22px;
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all 0.3s ease;
}

.tool-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-hover);
}

.tool-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1.25rem;
}

.tool-icon-box {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: rgba(99, 102, 241, 0.12);
  color: #6366f1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
}

.tool-badge {
  font-size: 0.725rem;
  font-weight: 600;
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  background: rgba(6, 182, 212, 0.12);
  color: #06b6d4;
  border: 1px solid rgba(6, 182, 212, 0.3);
}

.tool-title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--text-main);
}

.tool-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.55;
  margin-bottom: 1rem;
}

.tool-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border-color);
}

.tool-url-preview {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.btn-open-tool {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.5rem 1.1rem;
  border-radius: 8px;
  background: #6366f1;
  color: white;
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
}

.footer {
  border-top: 1px solid var(--border-color);
  padding: 2.5rem 0;
  color: var(--text-muted);
  font-size: 0.875rem;
  background: rgba(9, 13, 22, 0.6);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.25rem;
}

.footer-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.45rem 1.1rem;
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.25);
  border-radius: 20px;
  color: #6366f1;
  font-size: 0.85rem;
  font-weight: 600;
}