/* Design System & Premium UI Stylesheet (Glassmorphism, Vibrant Gradients, Animations) */

:root {
  --color-primary: #6366f1;
  --color-primary-hover: #4f46e5;
  --color-secondary: #ec4899;
  --color-accent: #38bdf8;
  --color-bg-dark: #0b0f19;
  --color-surface: #111827;
  --color-surface-card: #1e293b;
  --color-border: #334155;
  --color-border-glow: rgba(99, 102, 241, 0.4);
  --color-text: #f8fafc;
  --color-text-muted: #94a3b8;
  --border-radius-lg: 12px;
  --border-radius-md: 8px;
  --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  background-color: var(--color-bg-dark);
  color: var(--color-text);
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
}

/* Glassmorphism utility */
.glass-panel {
  background: rgba(17, 24, 39, 0.75);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius-lg);
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.4);
}

/* Header & Navigation Bar */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  width: 100%;
  padding: 0.85rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--color-text);
}

.brand-icon {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 1.1rem;
  color: #fff;
  box-shadow: 0 0 15px rgba(99, 102, 241, 0.5);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  list-style: none;
}

.nav-link {
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.nav-link:hover, .nav-link.active {
  color: #fff;
  text-shadow: 0 0 8px rgba(255, 255, 255, 0.3);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Buttons */
.btn {
  background: var(--color-primary);
  color: #fff;
  padding: 0.6rem 1.3rem;
  text-decoration: none;
  border-radius: var(--border-radius-md);
  border: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.9rem;
  transition: var(--transition-fast);
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.35);
}

.btn:hover {
  background: var(--color-primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.5);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  color: var(--color-text);
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: none;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.25);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.btn-sm {
  padding: 0.4rem 0.85rem;
  font-size: 0.825rem;
}

/* Vibrant Gradient Text */
.gradient-text {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Micro-animations & Interactive States */
.hover-lift {
  transition: var(--transition-fast);
}

.hover-lift:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px -10px rgba(99, 102, 241, 0.5);
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
  background: rgba(52, 211, 153, 0.15);
  color: #34d399;
  border: 1px solid rgba(52, 211, 153, 0.3);
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #34d399;
  box-shadow: 0 0 8px #34d399;
}

/* Modal Overlay & Card */
.modal-overlay,
.modal {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(6, 3, 14, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: none;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.modal-overlay.active,
.modal.active {
  display: flex !important;
  opacity: 1 !important;
  pointer-events: auto !important;
}

.modal-card,
.modal .modal-content {
  width: 100%;
  max-width: 680px;
  background: #0e091f;
  border: 1px solid rgba(244, 63, 94, 0.4);
  border-radius: 16px;
  padding: 2rem;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.8), 0 0 30px rgba(244, 63, 94, 0.25);
  position: relative;
  max-height: 90vh;
  overflow-y: auto;
}

.modal-card {
  width: 100%;
  max-width: 480px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: 2rem;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
  position: relative;
}

.modal-close {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  background: transparent;
  border: none;
  color: var(--color-text-muted);
  font-size: 1.25rem;
  cursor: pointer;
}

.modal-close:hover {
  color: #fff;
}

.login-options {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 1.5rem;
}

.role-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem;
  background: var(--color-surface-card);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  cursor: pointer;
  transition: var(--transition-fast);
}

.role-card:hover {
  border-color: var(--color-primary);
  background: rgba(99, 102, 241, 0.1);
  transform: translateX(4px);
}

.role-info h4 {
  font-size: 0.95rem;
  font-weight: 600;
  color: #fff;
}

.role-info p {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

/* Footer */
footer {
  border-top: 1px solid var(--color-border);
  background: #070a12;
  padding: 3rem 2rem 2rem;
  margin-top: 5rem;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: 2.5rem;
}

.footer-col h5 {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--color-text-muted);
  margin-bottom: 1rem;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-col a {
  color: #cbd5e1;
  text-decoration: none;
  font-size: 0.875rem;
  transition: var(--transition-fast);
}

.footer-col a:hover {
  color: var(--color-primary);
}

.footer-bottom {
  max-width: 1200px;
  margin: 2.5rem auto 0;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}