/* ===== CSS Variables (Design System) ===== */
:root {
  /* --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-900: #1e3a8a; */

  /* primary ramp */
  /* --primary-50: #ede9fe;
  --primary-100: #ddd6fe;
  --primary-200: #c4b5fd;
  --primary-300: #a78bfa;
  --primary-400: #8b5cf6;
  --primary-500: #7c3aed;
  --primary-600: #6d28d9;
  --primary-700: #5b21b6;
  --primary-800: #4c1d95;
  --primary-900: #2e1065;

  --info-500: #06b6d4;
  --info-600: #0891b2; */

  /* SET 2: Emerald × Charcoal — Fresh, grounded, productivity-first */
  --primary-50: #ecfdf5;
  --primary-100: #d1fae5;
  --primary-200: #a7f3d0;
  --primary-300: #6ee7b7;
  --primary-400: #34d399;
  --primary-500: #10b981;
  --primary-600: #059669;
  --primary-700: #047857;
  --primary-800: #065f46;
  --primary-900: #064e3b;

  --info-500: #3b82f6;
  --info-600: #2563eb;

  /* SET 3: Rose × Indigo — Bold, energetic, startup creative */
  /* --primary-50: #fff1f2;
  --primary-100: #ffe4e6;
  --primary-200: #fecdd3;
  --primary-300: #fda4af;
  --primary-400: #fb7185;
  --primary-500: #f43f5e;
  --primary-600: #e11d48;
  --primary-700: #be123c;
  --primary-800: #9f1239;
  --primary-900: #881337;

  --info-500: #6366f1;
  --info-600: #4f46e5; */

  /* SET 4: Amber × Deep Navy — Warm, confident, boutique executive */

  /* --primary-50: #fffbeb;
  --primary-100: #fef3c7;
  --primary-200: #fde68a;
  --primary-300: #fcd34d;
  --primary-400: #fbbf24;
  --primary-500: #f59e0b;
  --primary-600: #d97706;
  --primary-700: #b45309;
  --primary-800: #92400e;
  --primary-900: #78350f;

  --info-500: #0ea5e9;
  --info-600: #0284c7; */

  /* Neutral Colors */
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;

  /* Semantic Colors */
  --success-500: #22c55e;
  --success-600: #16a34a;
  --warning-500: #f59e0b;
  --warning-600: #d97706;
  --danger-500: #ef4444;
  --danger-600: #dc2626;

  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;

  /* Typography */
  --font-family:
    'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen,
    Ubuntu, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;

  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.5rem;
  --radius-xl: 0.75rem;
  --radius-2xl: 1rem;
  --radius-full: 9999px;

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

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 200ms ease;
  --transition-slow: 300ms ease;

  /* Layout */
  --sidebar-width: 260px;
  --sidebar-collapsed-width: 70px;
  --navbar-height: 64px;
}

/* ===== Reset & Base Styles ===== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--gray-800);
  background-color: var(--gray-50);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: var(--primary-600);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--primary-700);
}

img {
  max-width: 100%;
  height: auto;
}

/* ===== Typography ===== */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 600;
  line-height: 1.3;
  color: var(--gray-900);
}

h1 {
  font-size: var(--font-size-4xl);
}
h2 {
  font-size: var(--font-size-3xl);
}
h3 {
  font-size: var(--font-size-2xl);
}
h4 {
  font-size: var(--font-size-xl);
}
h5 {
  font-size: var(--font-size-lg);
}
h6 {
  font-size: var(--font-size-base);
}

.container-lg {
  max-width: 1360px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1rem;
  padding-right: 1rem;
}

.text-muted {
  color: var(--gray-500);
}

.text-small {
  font-size: var(--font-size-sm);
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: 0.625rem 1.25rem;
  font-size: var(--font-size-sm);
  font-weight: 500;
  line-height: 1.5;
  border: 1px solid transparent;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  text-align: center;
}

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

.btn-primary {
  background-color: var(--primary-600);
  color: white;
}

/* .btn-primary:hover:not(:disabled) {
  background-color: var(--primary-700);
} */

.btn-secondary {
  background-color: var(--gray-100);
  color: var(--gray-700);
  border-color: var(--gray-300);
}

/* .btn-secondary:hover:not(:disabled) {
  background-color: var(--gray-200);
} */

.btn-outline {
  background-color: transparent;
  color: var(--primary-600);
  border-color: var(--primary-600);
}

/* .btn-outline:hover:not(:disabled) {
  background-color: var(--primary-50);
} */

.btn-danger {
  background-color: var(--danger-500);
  color: white;
  border-color: var(--danger-500);
}

/* .btn-danger:hover:not(:disabled) {
  background-color: var(--danger-600);
} */

.btn-danger-outline {
  background-color: transparent;
  color: var(--danger-500);
  border-color: var(--danger-300);
}

/* .btn-danger-outline:hover:not(:disabled) {
  background-color: #fee2e2;
  border-color: var(--danger-500);
} */

.btn-ghost {
  background-color: transparent;
  color: var(--gray-600);
  border-color: transparent;
}

/* .btn-ghost:hover:not(:disabled) {
  background-color: var(--gray-100);
} */

.btn-lg {
  padding: 0.75rem 1.5rem;
  font-size: var(--font-size-base);
}

.btn-sm {
  padding: 0.375rem 0.75rem;
  font-size: var(--font-size-xs);
}

.btn-full {
  width: 100%;
}

/* ===== Form Elements ===== */
.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-label {
  display: block;
  margin-bottom: var(--spacing-sm);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--gray-700);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.625rem 0.875rem;
  font-size: var(--font-size-base);
  font-family: inherit;
  color: var(--gray-900);
  background-color: white;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-lg);
  transition:
    border-color var(--transition-fast),
    box-shadow var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--primary-500);
  box-shadow: 0 0 0 3px var(--primary-100);
}

.form-input::placeholder {
  color: var(--gray-400);
}

.form-input.is-invalid {
  border-color: var(--danger-500);
}

.form-input.is-invalid:focus {
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.form-error {
  margin-top: var(--spacing-xs);
  font-size: var(--font-size-sm);
  color: var(--danger-500);
}

.form-hint {
  margin-top: var(--spacing-xs);
  font-size: var(--font-size-sm);
  color: var(--gray-500);
}

.form-checkbox {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.form-checkbox input[type='checkbox'] {
  width: 1rem;
  height: 1rem;
  accent-color: var(--primary-600);
}

/* Input with icon */
.input-group {
  position: relative;
}

.input-group .form-input {
  padding-left: 2.75rem;
}

.input-group-icon {
  position: absolute;
  left: 0.875rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--gray-400);
  pointer-events: none;
}

.input-group-action {
  position: absolute;
  right: 0.5rem;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--gray-400);
  cursor: pointer;
  padding: 0.25rem;
}

.input-group-action:hover {
  color: var(--gray-600);
}

/* ===== Cards ===== */
.card {
  background-color: white;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
}

.card-header {
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--gray-200);
}

.card-body {
  padding: var(--spacing-lg);
}

.card-footer {
  padding: var(--spacing-lg);
  border-top: 1px solid var(--gray-200);
}

/* ===== Alerts ===== */
.alert {
  padding: var(--spacing-md);
  border-radius: var(--radius-lg);
  font-size: var(--font-size-sm);
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
}

.alert-success {
  background-color: #dcfce7;
  color: #166534;
  border: 1px solid #bbf7d0;
}

.alert-danger {
  background-color: #fee2e2;
  color: #991b1b;
  border: 1px solid #fecaca;
}

.alert-warning {
  background-color: #fef3c7;
  color: #92400e;
  border: 1px solid #fde68a;
}

.alert-info {
  background-color: #dbeafe;
  color: #1e40af;
  border: 1px solid #bfdbfe;
}

/* ===== Badges ===== */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.125rem 0.5rem;
  font-size: var(--font-size-xs);
  font-weight: 500;
  border-radius: var(--radius-full);
}

.badge-primary {
  background-color: var(--primary-100);
  color: var(--primary-700);
}

.badge-success {
  background-color: #dcfce7;
  color: #166534;
}

.badge-warning {
  background-color: #fef3c7;
  color: #92400e;
}

.badge-danger {
  background-color: #fee2e2;
  color: #991b1b;
}

/* ===== Avatar ===== */
.avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  background-color: var(--primary-100);
  color: var(--primary-700);
  font-weight: 600;
  overflow: hidden;
}

.avatar-sm {
  width: 32px;
  height: 32px;
  font-size: var(--font-size-sm);
}

.avatar-md {
  width: 40px;
  height: 40px;
  font-size: var(--font-size-base);
}

.avatar-lg {
  width: 48px;
  height: 48px;
  font-size: var(--font-size-lg);
}

.avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ===== Modal ===== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md);
  z-index: 5000;
  animation: fadeIn 0.15s ease;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* .modal-content: same card shell (many pages use this instead of .modal) */
.modal,
.modal-content {
  background-color: white;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--gray-200);
  width: 100%;
  max-height: 90vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  animation: slideUp 0.2s ease;
}

@media (min-width: 561px) {
  .modal,
  .modal-content {
    max-width: 560px;
  }
}
@media (max-width: 560px) {
  .modal,
  .modal-content {
    max-width: calc(100% - 30px);
  }
}

.modal-content-sm {
  max-width: 440px;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-md);
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--gray-200);
  background-color: white;
  flex-shrink: 0;
}

.modal-header h3 {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--gray-900);
  margin: 0;
  flex: 1;
  text-align: left;
}

.modal-close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border: none;
  background: none;
  color: var(--gray-400);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.modal-close:hover {
  background-color: var(--gray-100);
  color: var(--gray-600);
}

.modal-body {
  padding: var(--spacing-lg);
  overflow-y: auto;
  background-color: white;
  flex: 1;
  min-height: 0;
}

.modal-body p {
  font-size: var(--font-size-sm);
  color: var(--gray-600);
  line-height: 1.6;
  margin: 0 0 var(--spacing-md) 0;
}

.modal-body p:last-child {
  margin-bottom: 0;
}

.modal-body .form-input,
.modal-body select.form-input {
  display: block;
  width: 100%;
  box-sizing: border-box;
  margin-top: var(--spacing-sm);
  padding: 0.625rem 0.75rem;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  background-color: white;
  color: var(--gray-900);
}

.modal-body select.form-input:focus {
  outline: none;
  border-color: var(--primary-400);
  box-shadow: 0 0 0 3px var(--primary-50);
}

.modal-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-md);
}

.modal-icon.danger {
  background-color: #fee2e2;
  color: var(--danger-600);
}

.modal-icon.success {
  background-color: #dcfce7;
  color: var(--success-600);
}

.modal-icon.warning {
  background-color: #fef3c7;
  color: var(--warning-600);
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-lg);
  border-top: 1px solid var(--gray-200);
  background-color: var(--gray-50);
  flex-shrink: 0;
}

/* ===== Divider ===== */
.divider {
  display: flex;
  align-items: center;
  text-align: center;
  margin: var(--spacing-lg) 0;
}

.divider::before,
.divider::after {
  content: '';
  flex: 1;
  border-bottom: 1px solid var(--gray-200);
}

.divider span {
  padding: 0 var(--spacing-md);
  font-size: var(--font-size-sm);
  color: var(--gray-500);
}

/* ===== Loading Spinner ===== */
.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid transparent;
  border-top-color: currentColor;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

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

/* ===== Utilities ===== */
.flex {
  display: flex;
}
.flex-col {
  flex-direction: column;
}
.items-center {
  align-items: center;
}
.justify-center {
  justify-content: center;
}
.justify-between {
  justify-content: space-between;
}
.gap-1 {
  gap: var(--spacing-xs);
}
.gap-2 {
  gap: var(--spacing-sm);
}
.gap-3 {
  gap: var(--spacing-md);
}
.gap-4 {
  gap: var(--spacing-lg);
}

.mt-1 {
  margin-top: var(--spacing-xs);
}
.mt-2 {
  margin-top: var(--spacing-sm);
}
.mt-3 {
  margin-top: var(--spacing-md);
}
.mt-4 {
  margin-top: var(--spacing-lg);
}
.mb-1 {
  margin-bottom: var(--spacing-xs);
}
.mb-2 {
  margin-bottom: var(--spacing-sm);
}
.mb-3 {
  margin-bottom: var(--spacing-md);
}
.mb-4 {
  margin-bottom: var(--spacing-lg);
}

.text-center {
  text-align: center;
}
.text-right {
  text-align: right;
}

.w-full {
  width: 100%;
}
.h-full {
  height: 100%;
}

.hidden {
  display: none;
}

/* ===== Blazor Error UI ===== */
#blazor-error-ui {
  background: var(--danger-500);
  color: white;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--spacing-md);
  text-align: center;
  display: none;
  z-index: 9999;
}

#blazor-error-ui .reload {
  color: white;
  text-decoration: underline;
  margin-left: var(--spacing-sm);
}

#blazor-error-ui .dismiss {
  cursor: pointer;
  position: absolute;
  right: var(--spacing-md);
}