/**
 * OutRank — Global Styles
 * 
 * Dark theme, modern SaaS dashboard aesthetic.
 * Clean, professional, built for productivity.
 */

/* ─── Reset & Variables ──────────────────────────── */

:root {
  /* Colors — Dark theme */
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-tertiary: #1a1a2e;
  --bg-card: #16162a;
  --bg-hover: #1e1e3a;

  --text-primary: #e8e8f0;
  --text-secondary: #8888a0;
  --text-muted: #555570;

  --accent: #6c5ce7;
  --accent-hover: #7d6ef0;
  --accent-glow: rgba(108, 92, 231, 0.3);

  --success: #00d2a0;
  --warning: #fdcb6e;
  --danger: #ff6b6b;
  --info: #74b9ff;

  --border: #2a2a40;
  --border-light: #35355a;

  /* Typography */
  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Spacing */
  --sidebar-width: 240px;
  --topbar-height: 64px;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
}

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

html, body {
  height: 100%;
  font-family: var(--font-main);
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* ─── Layout ─────────────────────────────────────── */

#app {
  display: flex;
  height: 100vh;
  overflow: hidden;
}

/* ─── Sidebar ────────────────────────────────────── */

.sidebar {
  width: var(--sidebar-width);
  background: var(--bg-secondary);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
}

.sidebar-header {
  padding: 24px 20px;
  border-bottom: 1px solid var(--border);
}

.logo {
  font-size: 22px;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -0.5px;
}

.logo-sub {
  display: block;
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 2px;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.nav-menu {
  list-style: none;
  padding: 12px 8px;
  flex: 1;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  margin-bottom: 2px;
  border-radius: 8px;
  cursor: pointer;
  color: var(--text-secondary);
  transition: var(--transition-fast);
  font-size: 13px;
  font-weight: 500;
}

.nav-item:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.nav-item.active {
  background: var(--accent);
  color: white;
  box-shadow: 0 2px 12px var(--accent-glow);
}

.nav-icon {
  font-size: 16px;
  width: 20px;
  text-align: center;
}

/* ─── Main Content ───────────────────────────────── */

.main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* ─── Top Bar ────────────────────────────────────── */

.topbar {
  height: var(--topbar-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-secondary);
  flex-shrink: 0;
}

.page-title {
  font-size: 18px;
  font-weight: 700;
}

/* ─── Content Area ───────────────────────────────── */

.content-area {
  flex: 1;
  overflow-y: auto;
  padding: 24px 28px;
}

.view {
  display: none;
}

.view.active {
  display: block;
}

/* ─── Stats Grid ─────────────────────────────────── */

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  transition: var(--transition-fast);
}

.stat-card:hover {
  border-color: var(--border-light);
  transform: translateY(-1px);
}

.stat-card.accent {
  border-color: var(--accent);
  box-shadow: 0 0 20px var(--accent-glow);
}

.stat-value {
  font-size: 32px;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.stat-label {
  font-size: 12px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ─── Panels ─────────────────────────────────────── */

.panel {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  margin-bottom: 20px;
}

.panel-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.panel-header h3 {
  font-size: 14px;
  font-weight: 600;
}

.panel-body {
  padding: 20px;
}

/* ─── Buttons ────────────────────────────────────── */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border: none;
  border-radius: 8px;
  font-family: var(--font-main);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-fast);
}

.btn-primary {
  background: var(--accent);
  color: white;
  box-shadow: 0 2px 8px var(--accent-glow);
}

.btn-primary:hover {
  background: var(--accent-hover);
  box-shadow: 0 4px 16px var(--accent-glow);
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  background: var(--bg-hover);
  border-color: var(--border-light);
}

/* ─── Empty State ────────────────────────────────── */

.empty-state {
  text-align: center;
  padding: 40px 20px;
  color: var(--text-secondary);
}

.empty-state p {
  margin-bottom: 16px;
  font-size: 14px;
}

/* ─── Scrollbar ──────────────────────────────────── */

::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--border-light);
}