/* =============================================
   CB1 - Global Styles
   ============================================= */

:root {
  --primary: #f59e0b;
  --primary-dark: #d97706;
  --secondary: #3b82f6;
  --danger: #ef4444;
  --success: #10b981;
  --bg: #0f172a;
  --bg-card: #1e293b;
  --bg-nav: #1e293b;
  --text: #f1f5f9;
  --text-muted: #94a3b8;
  --border: #334155;
  --radius: 12px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ---- Header & Nav ---- */
header {
  background: var(--bg-nav);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(10px);
}

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

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -0.5px;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 8px;
  align-items: center;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  transition: all 0.2s ease;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text);
  background: rgba(255, 255, 255, 0.08);
}

.nav-links a.active {
  color: var(--primary);
}

/* ---- Main ---- */
main {
  flex: 1;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
}

/* ---- Hero Section ---- */
.hero {
  text-align: center;
  padding: 80px 0 60px;
}

.hero h1 {
  font-size: 3rem;
  font-weight: 800;
  margin-bottom: 16px;
  background: linear-gradient(135deg, var(--primary), #fb923c);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.2rem;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto 32px;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: all 0.2s ease;
}

.btn-primary {
  background: var(--primary);
  color: #000;
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(245, 158, 11, 0.4);
}

.btn-secondary {
  background: var(--border);
  color: var(--text);
}

.btn-secondary:hover {
  background: #475569;
  transform: translateY(-2px);
}

.btn-danger {
  background: rgba(239, 68, 68, 0.15);
  color: var(--danger);
  border: 1px solid var(--danger);
}

.btn-danger:hover {
  background: var(--danger);
  color: #fff;
  transform: translateY(-2px);
}

.btn-full {
  width: 100%;
  justify-content: center;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

/* ---- Features ---- */
.features {
  padding: 40px 0 80px;
}

.features h2 {
  text-align: center;
  font-size: 2rem;
  margin-bottom: 40px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 24px;
  transition: all 0.2s ease;
}

.feature-card:hover {
  border-color: var(--primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.feature-card h3 {
  font-size: 1.2rem;
  margin-bottom: 12px;
  color: var(--primary);
}

.feature-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* ---- Auth Section ---- */
.auth-section {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: calc(100vh - 64px - 80px);
  padding: 40px 0;
}

.auth-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
  width: 100%;
  max-width: 420px;
  box-shadow: var(--shadow);
}

.auth-card h2 {
  text-align: center;
  margin-bottom: 32px;
  font-size: 1.8rem;
}

.auth-switch {
  text-align: center;
  margin-top: 20px;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.auth-switch a {
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
}

.auth-switch a:hover {
  text-decoration: underline;
}

/* ---- Forms ---- */
.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text);
}

.form-group input[type="text"],
.form-group input[type="password"],
.form-group input[type="email"] {
  width: 100%;
  padding: 12px 16px;
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 1rem;
  transition: border-color 0.2s;
}

.form-group input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.1);
}

.form-group small {
  display: block;
  margin-top: 6px;
  color: var(--text-muted);
  font-size: 0.8rem;
}

.form-group-check {
  display: flex;
  align-items: center;
  gap: 10px;
}

.form-group-check input {
  width: 18px;
  height: 18px;
  cursor: pointer;
  accent-color: var(--primary);
}

.form-group-check label {
  margin-bottom: 0;
  cursor: pointer;
}

.form-error {
  color: var(--danger);
  font-size: 0.9rem;
  margin-bottom: 16px;
  padding: 10px 14px;
  background: rgba(239, 68, 68, 0.1);
  border-radius: 6px;
  border: 1px solid rgba(239, 68, 68, 0.3);
  display: none;
}

.form-error.show {
  display: block;
}

.form-success {
  color: var(--success);
  font-size: 0.9rem;
  margin-bottom: 16px;
  padding: 10px 14px;
  background: rgba(16, 185, 129, 0.1);
  border-radius: 6px;
  border: 1px solid rgba(16, 185, 129, 0.3);
  display: none;
}

.form-success.show {
  display: block;
}

/* ---- Dashboard ---- */
.dashboard-section {
  padding: 60px 0;
}

.dashboard-header {
  margin-bottom: 40px;
}

.dashboard-header h1 {
  font-size: 2.2rem;
  margin-bottom: 8px;
}

.dashboard-header p {
  color: var(--text-muted);
}

.dashboard-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin-bottom: 40px;
}

.dash-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  display: flex;
  gap: 20px;
  align-items: flex-start;
  transition: all 0.2s;
}

.dash-card:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
}

.dash-card-icon {
  font-size: 2.5rem;
  flex-shrink: 0;
}

.dash-card-info h3 {
  font-size: 1rem;
  margin-bottom: 8px;
  color: var(--text);
}

.dash-card-info p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 4px;
}

.dash-card-meta {
  font-size: 0.8rem !important;
  color: var(--text-muted) !important;
  word-break: break-all;
}

.dashboard-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* ---- Footer ---- */
footer {
  text-align: center;
  padding: 24px;
  color: var(--text-muted);
  font-size: 0.85rem;
  border-top: 1px solid var(--border);
  margin-top: auto;
}

/* ---- Loading Spinner ---- */
.spinner {
  display: inline-block;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(0,0,0,0.3);
  border-top-color: currentColor;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  vertical-align: middle;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ---- Toast ---- */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  padding: 14px 20px;
  border-radius: 8px;
  color: #fff;
  font-weight: 500;
  z-index: 9999;
  animation: slideIn 0.3s ease;
  max-width: 320px;
}

.toast-success { background: var(--success); }
.toast-error { background: var(--danger); }

@keyframes slideIn {
  from { transform: translateX(120%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* ---- Responsive ---- */
@media (max-width: 640px) {
  .hero h1 { font-size: 2rem; }
  .hero { padding: 48px 0 40px; }
  .auth-card { padding: 28px 20px; }
  .nav-links li:nth-child(n+4) { display: none; }
}