/* ==============================================================================
   VIDYAPANT ACADEMY — DESIGN SYSTEM TOKENS & UTILITIES
   Theme: Professional Academy Blue, Minimalist, High-Contrast, Mobile-First
   ============================================================================== */

:root {
  /* Brand Palette */
  --primary-50: #eff6ff;
  --primary-100: #dbeafe;
  --primary-200: #bfdbfe;
  --primary-300: #93c5fd;
  --primary-400: #60a5fa;
  --primary-500: #3b82f6;
  --primary-600: #2563eb;
  --primary-700: #1d4ed8;
  --primary-800: #1e40af; /* Primary Brand Blue */
  --primary-900: #1e3a8a;

  /* Secondary / Accent */
  --accent-500: #0ea5e9;
  --accent-600: #0284c7;

  /* Neutrals */
  --slate-50: #f8fafc;
  --slate-100: #f1f5f9;
  --slate-200: #e2e8f0;
  --slate-300: #cbd5e1;
  --slate-400: #94a3b8;
  --slate-500: #64748b;
  --slate-600: #475569;
  --slate-700: #334155;
  --slate-800: #1e293b;
  --slate-900: #0f172a;

  /* Semantic Alerts */
  --success-bg: #ecfdf5;
  --success-border: #a7f3d0;
  --success-text: #065f46;
  --success-primary: #10b981;

  --warning-bg: #fffbeb;
  --warning-border: #fde68a;
  --warning-text: #92400e;
  --warning-primary: #f59e0b;

  --danger-bg: #fef2f2;
  --danger-border: #fecaca;
  --danger-text: #991b1b;
  --danger-primary: #ef4444;

  --info-bg: #eff6ff;
  --info-border: #bfdbfe;
  --info-text: #1e40af;
  --info-primary: #3b82f6;

  /* Surfaces & Shadows */
  --bg-body: #f8fafc;
  --bg-card: #ffffff;
  --bg-card-subtle: #f1f5f9;
  --border-color: #e2e8f0;
  --border-focus: #3b82f6;

  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.07), 0 2px 4px -2px rgb(0 0 0 / 0.05);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.08), 0 4px 6px -4px rgb(0 0 0 / 0.05);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.05);

  /* Radii */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;

  /* Typography */
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  /* Layout */
  --sidebar-width: 260px;
  --header-height: 64px;
  --bottom-bar-height: 64px;
}

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

body {
  font-family: var(--font-family);
  background-color: var(--bg-body);
  color: var(--slate-800);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  padding-bottom: env(safe-area-inset-bottom);
}

/* Typography Helpers */
h1, h2, h3, h4, h5, h6 {
  color: var(--slate-900);
  font-weight: 600;
  line-height: 1.25;
}

a {
  color: var(--primary-600);
  text-decoration: none;
  transition: color 0.15s ease;
}
a:hover {
  color: var(--primary-800);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.625rem 1.25rem;
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.15s ease-in-out;
  text-align: center;
  user-select: none;
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--primary-800);
  color: #ffffff;
}
.btn-primary:hover {
  background-color: var(--primary-900);
  box-shadow: var(--shadow-sm);
}

.btn-secondary {
  background-color: #ffffff;
  color: var(--slate-700);
  border-color: var(--slate-300);
}
.btn-secondary:hover {
  background-color: var(--slate-50);
  border-color: var(--slate-400);
}

.btn-danger {
  background-color: var(--danger-primary);
  color: #ffffff;
}
.btn-danger:hover {
  background-color: #dc2626;
}

.btn-sm {
  padding: 0.375rem 0.75rem;
  font-size: 0.75rem;
}

.btn-lg {
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
}

.btn-block {
  width: 100%;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* Form Inputs */
.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--slate-700);
  margin-bottom: 0.375rem;
}

.form-control {
  width: 100%;
  padding: 0.625rem 0.875rem;
  font-size: 0.9375rem;
  font-family: inherit;
  color: var(--slate-800);
  background-color: #ffffff;
  border: 1px solid var(--slate-300);
  border-radius: var(--radius-sm);
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-control:focus {
  border-color: var(--primary-600);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.form-control::placeholder {
  color: var(--slate-400);
}

.form-help {
  font-size: 0.75rem;
  color: var(--slate-500);
  margin-top: 0.25rem;
}

/* Status Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.25rem 0.625rem;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  text-transform: capitalize;
}

.badge-active {
  background-color: var(--success-bg);
  color: var(--success-text);
  border: 1px solid var(--success-border);
}

.badge-inactive {
  background-color: var(--slate-100);
  color: var(--slate-600);
  border: 1px solid var(--slate-300);
}

.badge-archived {
  background-color: var(--warning-bg);
  color: var(--warning-text);
  border: 1px solid var(--warning-border);
}

.badge-suspended {
  background-color: var(--danger-bg);
  color: var(--danger-text);
  border: 1px solid var(--danger-border);
}

.badge-role {
  background-color: var(--primary-100);
  color: var(--primary-800);
  border: 1px solid var(--primary-200);
  text-transform: uppercase;
  font-size: 0.7rem;
  letter-spacing: 0.05em;
}

/* Dev Badge */
.dev-banner {
  background: linear-gradient(90deg, #f59e0b, #d97706);
  color: #ffffff;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  padding: 0.25rem 1rem;
  text-align: center;
  position: sticky;
  top: 0;
  z-index: 9999;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.75rem;
}