:root {
  --bg-primary: #0a0c10;
  --bg-secondary: #12161f;
  --bg-tertiary: #1a202c;
  --bg-card: rgba(22, 27, 34, 0.85);
  --border-color: rgba(255, 255, 255, 0.1);
  --border-hover: rgba(255, 255, 255, 0.2);
  
  --accent-primary: #3b82f6;
  --accent-primary-hover: #2563eb;
  --accent-glow: rgba(59, 130, 246, 0.25);
  
  --success: #10b981;
  --success-bg: rgba(16, 185, 129, 0.15);
  --warning: #f59e0b;
  --warning-bg: rgba(245, 158, 11, 0.15);
  --danger: #ef4444;
  --danger-bg: rgba(239, 68, 68, 0.15);
  --info: #06b6d4;
  --info-bg: rgba(6, 182, 212, 0.15);

  --text-main: #f1f5f9;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.6);
  --font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
}

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

body {
  font-family: var(--font-family);
  background-color: var(--bg-primary);
  color: var(--text-main);
  min-height: 100vh;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* Utilities */
.hidden {
  display: none !important;
}

/* Glassmorphism utility */
.glass {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
}

/* Common Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 500;
  font-size: 0.95rem;
  padding: 10px 18px;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.2s ease;
  user-select: none;
  text-decoration: none;
}

.btn-primary {
  background-color: var(--accent-primary);
  color: #fff;
  box-shadow: 0 2px 10px var(--accent-glow);
}
.btn-primary:hover {
  background-color: var(--accent-primary-hover);
  transform: translateY(-1px);
}
.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background-color: var(--bg-tertiary);
  color: var(--text-main);
  border-color: var(--border-color);
}
.btn-secondary:hover {
  background-color: #242c3d;
  border-color: var(--border-hover);
}

.btn-danger {
  background-color: var(--danger-bg);
  color: var(--danger);
  border-color: rgba(239, 68, 68, 0.3);
}
.btn-danger:hover {
  background-color: var(--danger);
  color: #fff;
}

.btn-warning {
  background-color: var(--warning-bg);
  color: var(--warning);
  border-color: rgba(245, 158, 11, 0.3);
}
.btn-warning:hover {
  background-color: var(--warning);
  color: #fff;
}

.btn-sm {
  padding: 6px 12px;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
}

.btn-lg {
  padding: 14px 28px;
  font-size: 1.1rem;
}

/* Inputs */
input[type="text"],
input[type="password"],
input[type="url"],
input[type="number"],
select,
textarea {
  width: 100%;
  padding: 10px 14px;
  background-color: rgba(10, 12, 16, 0.8);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-main);
  font-size: 0.95rem;
  font-family: inherit;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 8px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.badge-success { background: var(--success-bg); color: var(--success); border: 1px solid rgba(16, 185, 129, 0.3); }
.badge-warning { background: var(--warning-bg); color: var(--warning); border: 1px solid rgba(245, 158, 11, 0.3); }
.badge-danger { background: var(--danger-bg); color: var(--danger); border: 1px solid rgba(239, 68, 68, 0.3); }
.badge-info { background: var(--info-bg); color: var(--info); border: 1px solid rgba(6, 182, 212, 0.3); }

/* Modal overlay */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  opacity: 1;
  transition: opacity 0.2s ease;
}

.modal-backdrop.hidden {
  opacity: 0;
  pointer-events: none;
  visibility: hidden;
}

.modal-dialog {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 32px;
  width: 90%;
  max-width: 440px;
  box-shadow: var(--shadow-lg);
  transform: translateY(0);
  transition: transform 0.2s ease;
}

.modal-backdrop.hidden .modal-dialog {
  transform: translateY(20px);
}

/* Notification Container & Toasts */
#notification-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 10000;
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 420px;
  pointer-events: none;
}

.toast {
  pointer-events: auto;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 18px;
  border-radius: var(--radius-md);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-lg);
  color: var(--text-main);
  animation: slideInRight 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.toast.removing {
  opacity: 0;
  transform: translateX(100%);
}

.toast-info {
  border-left: 4px solid var(--info);
}
.toast-warning {
  border-left: 4px solid var(--warning);
}
.toast-alert {
  border-left: 4px solid var(--danger);
  box-shadow: 0 0 20px rgba(239, 68, 68, 0.3);
}

.toast-icon {
  font-size: 1.3rem;
  line-height: 1;
}

.toast-content {
  flex: 1;
}

.toast-title {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 2px;
  color: var(--text-muted);
}

.toast-message {
  font-size: 0.95rem;
  color: #fff;
  word-break: break-word;
}

.toast-close {
  background: transparent;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  font-size: 1.1rem;
  line-height: 1;
  padding: 2px;
}
.toast-close:hover {
  color: var(--text-main);
}

.toast-progress {
  position: absolute;
  bottom: 0;
  left: 0;
  height: 3px;
  background: var(--accent-primary);
  width: 100%;
  animation: toastTimer linear forwards;
}

/* Banner Notification */
#banner-container {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 9990;
  pointer-events: none;
}

.sticky-banner {
  pointer-events: auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 12px 24px;
  background: linear-gradient(90deg, #1e3a8a 0%, #3b82f6 50%, #1e3a8a 100%);
  color: #fff;
  font-weight: 600;
  font-size: 1rem;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.5);
  animation: slideDown 0.3s ease-out;
  text-align: center;
}

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(100%); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-100%); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes pulseGlow {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.7; transform: scale(1.05); }
}