/**
 * TISIT Component Library v1.0
 * Reusable, mobile-first component styles
 *
 * Table of Contents:
 * 1. Cards
 * 2. Buttons
 * 3. Forms
 * 4. Badges
 * 5. Loading States
 * 6. Toasts
 * 7. Modals
 * 8. Navigation
 */

/* ========================================
   1. Cards
   ======================================== */

.card {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-base);
  color: var(--text-primary);
}

.card-hover:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.card-compact {
  padding: var(--spacing-md);
}

.card-header {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
}

.card-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
}

.card-subtitle {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
}

.card-body {
  color: var(--text-primary);
}

.card-footer {
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--border-color);
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

/* Card grid for responsive layouts */
.card-grid {
  display: grid;
  gap: var(--spacing-lg);
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .card-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .card-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ========================================
   2. Buttons
   ======================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  line-height: 1.5;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: var(--transition-base);
  text-decoration: none;
  white-space: nowrap;
  user-select: none;
}

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

/* Button sizes */
.btn-sm {
  padding: 0.375rem 0.75rem;
  font-size: var(--font-size-sm);
}

.btn-lg {
  padding: 0.875rem 2rem;
  font-size: var(--font-size-lg);
}

/* Button variants */
.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: var(--text-inverse);
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover:not(:disabled) {
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.btn-secondary {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover:not(:disabled) {
  background-color: var(--bg-secondary);
  border-color: var(--secondary);
}

.btn-success,
.btn.btn-success {
  background-color: var(--success) !important;
  border-color: var(--success) !important;
  color: white !important;
}

.btn-success:hover:not(:disabled),
.btn.btn-success:hover:not(:disabled) {
  background-color: var(--success) !important;
  border-color: var(--success) !important;
  filter: brightness(1.1);
}

.btn-danger,
.btn.btn-danger {
  background-color: var(--danger) !important;
  border-color: var(--danger) !important;
  color: white !important;
}

.btn-danger:hover:not(:disabled),
.btn.btn-danger:hover:not(:disabled) {
  background-color: var(--danger) !important;
  border-color: var(--danger) !important;
  filter: brightness(1.1);
}

.btn-ghost {
  background-color: transparent;
  color: var(--text-primary);
}

.btn-ghost:hover:not(:disabled) {
  background-color: var(--bg-tertiary);
}

/* Button with icon */
.btn-icon {
  padding: var(--spacing-sm);
  aspect-ratio: 1;
}

/* Full width button */
.btn-block {
  width: 100%;
  display: flex;
}

/* ========================================
   3. Forms
   ======================================== */

.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--text-primary);
  margin-bottom: var(--spacing-xs);
}

.form-label-required::after {
  content: " *";
  color: var(--danger);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-base);
  font-family: var(--font-family-base);
  color: var(--text-primary);
  background-color: var(--bg-primary);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  transition: var(--transition-base);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(26, 71, 42, 0.15);
}

.form-input:disabled,
.form-textarea:disabled,
.form-select:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  background-color: var(--bg-secondary);
}

.form-input-lg {
  padding: 0.875rem var(--spacing-lg);
  font-size: var(--font-size-lg);
}

.form-textarea {
  min-height: 100px;
  resize: vertical;
}

.form-help-text {
  display: block;
  margin-top: var(--spacing-xs);
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
}

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

.form-input-error {
  border-color: var(--danger);
}

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

/* Checkbox and radio */
.form-checkbox,
.form-radio {
  width: 1.25rem;
  height: 1.25rem;
  margin-right: var(--spacing-sm);
  cursor: pointer;
}

.form-check-label {
  display: inline-flex;
  align-items: center;
  font-size: var(--font-size-base);
  color: var(--text-primary);
  cursor: pointer;
}

/* ========================================
   4. Badges
   ======================================== */

.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.625rem;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.badge-primary {
  background-color: var(--primary-light);
  color: var(--primary-dark);
}

.badge-success {
  background-color: #D1FAE5;
  color: #065F46;
}

.badge-warning {
  background-color: #FEF3C7;
  color: #92400E;
}

.badge-danger {
  background-color: #FEE2E2;
  color: #991B1B;
}

.badge-info {
  background-color: #CFFAFE;
  color: #155E75;
}

.badge-secondary {
  background-color: var(--bg-tertiary);
  color: var(--text-secondary);
}

/* Dark theme badge adjustments */
[data-theme="dark"] .badge-primary {
  background-color: rgba(74, 222, 128, 0.2);
  color: var(--primary-light);
}

[data-theme="dark"] .badge-success {
  background-color: rgba(16, 185, 129, 0.2);
  color: #6EE7B7;
}

[data-theme="dark"] .badge-warning {
  background-color: rgba(245, 158, 11, 0.2);
  color: #FCD34D;
}

[data-theme="dark"] .badge-danger {
  background-color: rgba(239, 68, 68, 0.2);
  color: #FCA5A5;
}

[data-theme="dark"] .badge-info {
  background-color: rgba(6, 182, 212, 0.2);
  color: #67E8F9;
}

/* ========================================
   5. Loading States
   ======================================== */

/* Spinner */
.spinner {
  display: inline-block;
  width: 1.5rem;
  height: 1.5rem;
  border: 2px solid var(--border-color);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

.spinner-sm {
  width: 1rem;
  height: 1rem;
  border-width: 1.5px;
}

.spinner-lg {
  width: 2.5rem;
  height: 2.5rem;
  border-width: 3px;
}

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

/* Skeleton screens */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--bg-secondary) 0%,
    var(--bg-tertiary) 50%,
    var(--bg-secondary) 100%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-md);
}

.skeleton-text {
  height: 1rem;
  margin-bottom: var(--spacing-xs);
}

.skeleton-title {
  height: 1.5rem;
  width: 60%;
  margin-bottom: var(--spacing-md);
}

.skeleton-card {
  height: 200px;
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

/* Loading overlay */
.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
}

/* ========================================
   6. Toasts (Notifications)
   ======================================== */

.toast-container {
  position: fixed;
  top: var(--spacing-lg);
  right: var(--spacing-lg);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  max-width: 400px;
}

@media (max-width: 768px) {
  .toast-container {
    left: var(--spacing-md);
    right: var(--spacing-md);
    max-width: none;
  }
}

.toast {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  padding: var(--spacing-md) var(--spacing-lg);
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-left: 4px solid var(--primary);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  animation: slideIn 0.3s ease-out;
}

.toast-success {
  border-left-color: var(--success);
}

.toast-warning {
  border-left-color: var(--warning);
}

.toast-danger {
  border-left-color: var(--danger);
}

.toast-info {
  border-left-color: var(--info);
}

.toast-icon {
  flex-shrink: 0;
  font-size: var(--font-size-xl);
}

.toast-content {
  flex: 1;
}

.toast-title {
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-xs);
  color: var(--text-primary);
}

.toast-message {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

.toast-close {
  flex-shrink: 0;
  padding: 0;
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  font-size: var(--font-size-lg);
  line-height: 1;
}

.toast-close:hover {
  color: var(--text-primary);
}

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

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

.toast-exit {
  animation: slideOut 0.3s ease-in forwards;
}

/* ========================================
   7. Modals
   ======================================== */

/* Custom modal backdrop (non-Bootstrap) - use .custom-modal-backdrop instead */
.custom-modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9998;
  padding: var(--spacing-lg);
  animation: fadeIn 0.2s ease-out;
}

/* Only apply flex layout when modal is actually shown by Bootstrap */
.modal.show .modal-dialog .modal-content,
.modal-dialog .modal-content {
  background-color: var(--bg-primary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
}

/* Custom modal styling (non-Bootstrap) */
.custom-modal {
  background-color: var(--bg-primary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 500px;
  max-height: 90vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  animation: scaleIn 0.3s ease-out;
}

.modal-header {
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
}

.modal-close {
  background: none;
  border: none;
  font-size: var(--font-size-xl);
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0;
  line-height: 1;
}

.modal-close:hover {
  color: var(--text-primary);
}

.modal-body {
  padding: var(--spacing-lg);
  overflow-y: auto;
  flex: 1;
}

.modal-footer {
  padding: var(--spacing-lg);
  border-top: 1px solid var(--border-color);
  display: flex;
  gap: var(--spacing-md);
  justify-content: flex-end;
}

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

@keyframes scaleIn {
  from {
    transform: scale(0.9);
    opacity: 0;
  }
  to {
    transform: scale(1);
    opacity: 1;
  }
}

/* ========================================
   8. Navigation
   ======================================== */

/* Mobile menu */
.mobile-menu {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--bg-primary);
  z-index: 9997;
  transform: translateX(-100%);
  transition: transform 0.3s ease-in-out;
  overflow-y: auto;
}

.mobile-menu.active {
  transform: translateX(0);
}

.mobile-menu-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--border-color);
}

.mobile-menu-close {
  background: none;
  border: none;
  font-size: var(--font-size-2xl);
  color: var(--text-primary);
  cursor: pointer;
  padding: 0;
  line-height: 1;
}

.mobile-menu-nav {
  padding: var(--spacing-lg);
}

.mobile-menu-item {
  display: block;
  padding: var(--spacing-md);
  color: var(--text-primary);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: var(--transition-base);
}

.mobile-menu-item:hover {
  background-color: var(--bg-tertiary);
}

.mobile-menu-item.active {
  background-color: var(--primary);
  color: var(--text-inverse);
}

/* Hamburger icon */
.hamburger {
  display: inline-flex;
  flex-direction: column;
  gap: 4px;
  cursor: pointer;
  padding: var(--spacing-xs);
}

.hamburger-line {
  width: 24px;
  height: 2px;
  background-color: var(--text-primary);
  transition: var(--transition-base);
}

.hamburger.active .hamburger-line:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
}

.hamburger.active .hamburger-line:nth-child(2) {
  opacity: 0;
}

.hamburger.active .hamburger-line:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

/* ========================================
   9. Floating Action Button (FAB)
   ======================================== */

.fab {
  position: fixed;
  bottom: var(--spacing-xl);
  right: var(--spacing-xl);
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: var(--text-inverse);
  border: none;
  box-shadow: var(--shadow-lg);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-xl);
  transition: var(--transition-base);
  z-index: 100;
}

.fab:hover {
  transform: scale(1.1);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

@media (max-width: 768px) {
  .fab {
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    width: 48px;
    height: 48px;
  }
}

/* ========================================
   Bootstrap Form Controls - Dark Mode
   ======================================== */

/* Dark mode input styling */
[data-theme="dark"] .form-control {
  background-color: #1F2937 !important;
  border-color: #374151 !important;
  color: #F9FAFB !important;
}

[data-theme="dark"] .form-control:focus {
  background-color: #1F2937 !important;
  border-color: var(--primary) !important;
  color: #F9FAFB !important;
  box-shadow: 0 0 0 0.2rem rgba(74, 222, 128, 0.25) !important;
}

[data-theme="dark"] .form-control::placeholder {
  color: #9CA3AF !important;
  opacity: 1 !important;
}

[data-theme="dark"] input.form-control {
  background-color: #1F2937 !important;
  border-color: #374151 !important;
  color: #F9FAFB !important;
}

[data-theme="dark"] input.form-control:focus {
  background-color: #1F2937 !important;
  border-color: var(--primary) !important;
  color: #F9FAFB !important;
}

/* Dark mode input group styling */
[data-theme="dark"] .input-group {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  width: 100%;
}

[data-theme="dark"] .input-group > .form-control,
[data-theme="dark"] .input-group > .input-group-text {
  position: relative;
  flex: 1 1 auto;
  width: 1%;
  min-width: 0;
}

[data-theme="dark"] .input-group-text {
  display: flex;
  align-items: center;
  padding: 0.375rem 0.75rem;
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.5;
  text-align: center;
  white-space: nowrap;
  background-color: #1F2937 !important;
  border: 1px solid #374151 !important;
  border-radius: 0.375rem;
  color: #9CA3AF !important;
}

[data-theme="dark"] .input-group > :not(:last-child):not(.dropdown-toggle):not(.dropdown-menu) {
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
}

[data-theme="dark"] .input-group > :not(:first-child):not(.dropdown-menu) {
  margin-left: -1px;
  border-top-left-radius: 0;
  border-bottom-left-radius: 0;
}

/* Dark mode select styling */
[data-theme="dark"] .form-select {
  background-color: #1F2937;
  border-color: #374151;
  color: #F9FAFB;
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%239CA3AF' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m2 5 6 6 6-6'/%3e%3c/svg%3e");
}

[data-theme="dark"] .form-select:focus {
  background-color: #1F2937;
  border-color: var(--primary);
  color: #F9FAFB;
  box-shadow: 0 0 0 0.2rem rgba(74, 222, 128, 0.25);
}

/* Dark mode textarea styling */
[data-theme="dark"] textarea.form-control {
  background-color: #1F2937;
  border-color: #374151;
  color: #F9FAFB;
}

[data-theme="dark"] textarea.form-control:focus {
  background-color: #1F2937;
  border-color: var(--primary);
  color: #F9FAFB;
}