/* Imperial Nocturne Theme - API Vault */
:root {
  --deep-navy: #0A192F;
  --dark-bg: #050B14;
  --surface: #112240;
  --surface-light: #1A2F4E;
  --gold-primary: #D4AF37;
  --soft-gold: #E5C100;
  --text-primary: #FFFFFF;
  --text-secondary: #8892B0;
  --text-muted: #5A6A8A;
  --border: #1E3A5F;
  --success: #64FFDA;
  --error: #FF6B6B;
  --warning: #FFD93D;
  --sidebar-width: 260px;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Noto Sans SC', sans-serif;
  background: var(--dark-bg);
  color: var(--text-primary);
  line-height: 1.6;
}

/* Loading */
.loading-screen {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100vh;
  background: var(--dark-bg);
}
.loading-logo { font-size: 64px; animation: pulse 1.5s infinite; }
.loading-text { font-size: 24px; color: var(--gold-primary); margin-top: 16px; font-weight: 600; }
@keyframes pulse { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.1); } }

/* Login */
.login-container {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: radial-gradient(ellipse at center, var(--surface) 0%, var(--dark-bg) 70%);
}
.login-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 48px;
  width: 100%;
  max-width: 400px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}
.login-logo { text-align: center; margin-bottom: 40px; }
.logo-icon { font-size: 72px; margin-bottom: 16px; }
.login-logo h1 { font-size: 28px; color: var(--gold-primary); font-weight: 700; }
.login-subtitle { color: var(--text-secondary); margin-top: 8px; }
.login-buttons { display: flex; flex-direction: column; gap: 16px; }
.login-hint { text-align: center; color: var(--text-muted); font-size: 12px; margin-top: 24px; }

/* Buttons */
.btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 14px 24px;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 500;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
}
.btn-github { background: #24292e; color: #fff; }
.btn-github:hover { background: #2f363d; transform: translateY(-1px); }
.btn-google { background: #fff; color: #333; border: 1px solid #ddd; }
.btn-google:hover { background: #f5f5f5; transform: translateY(-1px); }
.btn-primary { background: var(--gold-primary); color: var(--deep-navy); font-weight: 600; }
.btn-primary:hover { background: var(--soft-gold); }
.btn-secondary { background: var(--surface-light); color: var(--text-primary); }
.btn-secondary:hover { background: var(--border); }

/* Sidebar */
.sidebar {
  position: fixed;
  left: 0;
  top: 0;
  bottom: 0;
  width: var(--sidebar-width);
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  z-index: 100;
}
.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 24px 20px;
  border-bottom: 1px solid var(--border);
}
.logo-emoji { font-size: 32px; }
.logo-text { font-size: 20px; font-weight: 700; color: var(--gold-primary); }
.sidebar-nav { flex: 1; padding: 16px 12px; }
.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: 8px;
  color: var(--text-secondary);
  text-decoration: none;
  transition: all 0.2s;
  margin-bottom: 4px;
}
.nav-item:hover { background: var(--surface-light); color: var(--text-primary); }
.nav-item.active { background: var(--gold-primary); color: var(--deep-navy); font-weight: 600; }
.nav-icon { font-size: 18px; }
.sidebar-footer { padding: 16px 20px; border-top: 1px solid var(--border); }
.user-info { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.user-avatar { width: 32px; height: 32px; border-radius: 50%; }
#user-name { font-size: 14px; color: var(--text-secondary); }
.btn-logout {
  width: 100%;
  padding: 8px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 13px;
}
.btn-logout:hover { border-color: var(--error); color: var(--error); }

/* Main Content */
.main-content {
  margin-left: var(--sidebar-width);
  padding: 32px;
  min-height: 100vh;
}
.content-page { display: none; }
.content-page.active { display: block; }
.page-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 24px; }
h2 { font-size: 24px; font-weight: 600; }

/* Stats */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  margin-top: 24px;
}
.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  text-align: center;
  transition: transform 0.2s;
}
.stat-card:hover { transform: translateY(-2px); }
.stat-icon { font-size: 32px; margin-bottom: 8px; }
.stat-value { font-size: 36px; font-weight: 700; color: var(--gold-primary); }
.stat-label { color: var(--text-secondary); font-size: 14px; margin-top: 4px; }

/* Keys List */
.keys-list { display: flex; flex-direction: column; gap: 12px; }
.key-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  transition: border-color 0.2s;
}
.key-card:hover { border-color: var(--gold-primary); }
.key-provider-icon { font-size: 28px; }
.key-info { flex: 1; }
.key-name { font-weight: 600; font-size: 16px; }
.key-provider { color: var(--text-secondary); font-size: 13px; }
.key-actions { display: flex; gap: 8px; }
.key-status {
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 500;
}
.key-status.active { background: rgba(100,255,218,0.15); color: var(--success); }
.key-status.expired { background: rgba(255,107,107,0.15); color: var(--error); }
.btn-sm {
  padding: 6px 12px;
  font-size: 13px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
}
.btn-sm:hover { border-color: var(--gold-primary); color: var(--gold-primary); }
.btn-copy { border-color: var(--success); color: var(--success); }
.btn-copy:hover { background: var(--success); color: var(--deep-navy); }
.btn-delete { border-color: var(--error); color: var(--error); }
.btn-delete:hover { background: var(--error); color: #fff; }

/* Providers */
.providers-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 16px; }
.provider-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
}
.provider-name { font-weight: 600; font-size: 16px; margin-bottom: 4px; }
.provider-slug { color: var(--text-muted); font-size: 13px; }
.provider-category {
  display: inline-block;
  margin-top: 8px;
  padding: 2px 10px;
  border-radius: 12px;
  font-size: 12px;
  background: rgba(212,175,55,0.15);
  color: var(--gold-primary);
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}

/* Modal */
.modal {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
}
.modal-overlay {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.6);
}
.modal-content {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px;
  width: 100%;
  max-width: 480px;
  max-height: 90vh;
  overflow-y: auto;
}
.modal-content h3 { margin-bottom: 24px; color: var(--gold-primary); }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; margin-bottom: 6px; font-size: 14px; color: var(--text-secondary); }
.form-group input, .form-group select, .form-group textarea {
  width: 100%;
  padding: 10px 14px;
  background: var(--dark-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 14px;
  outline: none;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  border-color: var(--gold-primary);
}
.form-actions { display: flex; justify-content: flex-end; gap: 12px; margin-top: 24px; }

/* Toast */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  padding: 12px 24px;
  border-radius: 8px;
  font-size: 14px;
  z-index: 300;
  animation: slideIn 0.3s;
}
.toast.success { background: var(--success); color: var(--deep-navy); }
.toast.error { background: var(--error); color: #fff; }
@keyframes slideIn { from { transform: translateY(20px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }

/* Responsive */
@media (max-width: 768px) {
  .sidebar { width: 60px; }
  .sidebar .logo-text, .sidebar .nav-item span:not(.nav-icon), .sidebar-footer { display: none; }
  .main-content { margin-left: 60px; padding: 16px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}