/* ============================================================
   components.css — Buttons, Cards, Modals, Tables, Forms
   ============================================================ */

/* ===================
   BUTTONS
   =================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.625rem var(--space-5);
  border-radius: var(--radius-md);
  font-family: var(--font-family);
  font-size: var(--text-sm);
  font-weight: var(--font-weight-semibold);
  line-height: 1;
  cursor: pointer;
  border: 2px solid transparent;
  transition: var(--transition);
  white-space: nowrap;
  text-decoration: none;
  letter-spacing: 0.01em;
}
.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--gold-gradient, linear-gradient(135deg, #F4D068 0%, #D4AF37 50%, #B38B27 100%));
  color: #071F18;
  border-color: #D4AF37;
  font-weight: var(--font-weight-bold);
  box-shadow: 0 4px 12px rgba(212, 175, 55, 0.25);
}
.btn-primary:hover {
  background: linear-gradient(135deg, #FFE082 0%, #E6C148 50%, #C59A2B 100%);
  border-color: #F4D068;
  color: #071F18;
  transform: translateY(-1px);
  box-shadow: var(--shadow-gold);
}

.btn-secondary {
  background: #1B5645;
  color: #FAFAFA;
  border-color: rgba(212, 175, 55, 0.3);
}
.btn-secondary:hover {
  background: #236E59;
  border-color: var(--gold-primary);
  color: #FAFAFA;
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  color: var(--gold-primary);
  border-color: var(--gold-primary);
}
.btn-outline:hover {
  background: rgba(212, 175, 55, 0.15);
  color: var(--gold-bright);
  border-color: var(--gold-bright);
  box-shadow: 0 0 12px rgba(212, 175, 55, 0.2);
}

.btn-outline-secondary {
  background: transparent;
  color: var(--text-secondary);
  border-color: var(--border);
}
.btn-outline-secondary:hover {
  background: var(--surface-hover);
  border-color: var(--border-strong);
  color: var(--text-primary);
}

.btn-danger {
  background: var(--danger);
  color: #fff;
  border-color: var(--danger);
}
.btn-danger:hover {
  background: #DC2626;
  transform: translateY(-1px);
  color: #fff;
}

.btn-success {
  background: var(--success);
  color: #fff;
  border-color: var(--success);
}
.btn-success:hover {
  background: #059669;
  transform: translateY(-1px);
  color: #fff;
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border-color: transparent;
}
.btn-ghost:hover {
  background: rgba(212, 175, 55, 0.12);
  color: var(--gold-primary);
}

/* Sizes */
.btn-sm {
  padding: 0.375rem var(--space-3);
  font-size: var(--text-xs);
  border-radius: var(--radius-sm);
}
.btn-lg {
  padding: 0.875rem var(--space-8);
  font-size: var(--text-base);
  border-radius: var(--radius-lg);
}

/* Icon button */
.btn-icon {
  width: 36px;
  height: 36px;
  padding: 0;
  border-radius: var(--radius-md);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.btn-icon.btn-sm { width: 28px; height: 28px; }
.btn-icon.btn-lg { width: 44px; height: 44px; }

/* ===================
   CARDS
   =================== */
.card {
  background: #123E32;
  border: 1px solid rgba(212, 175, 55, 0.25);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  overflow: hidden;
}
.card:hover {
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4), 0 0 15px rgba(212, 175, 55, 0.15);
  border-color: rgba(212, 175, 55, 0.45);
}
.card-body {
  padding: var(--space-6);
}
.card-header {
  padding: var(--space-4) var(--space-6);
  border-bottom: 1px solid rgba(212, 175, 55, 0.25);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}
.card-header h3, .card-header h4 {
  font-size: var(--text-base);
  font-weight: var(--font-weight-semibold);
  color: var(--gold-primary);
  margin: 0;
}
.card-footer {
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid rgba(212, 175, 55, 0.2);
  background: #0B2B22;
}

/* Stat Card */
.stat-card {
  background: #123E32;
  border: 1px solid rgba(212, 175, 55, 0.25);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--primary);
}
.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-purple);
}
.stat-card.success::before { background: var(--success); }
.stat-card.warning::before { background: var(--warning); }
.stat-card.danger::before  { background: var(--danger); }
.stat-card.gold::before    { background: var(--secondary); }

.stat-card__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  margin-bottom: var(--space-4);
  background: var(--primary-lighter);
  color: var(--primary);
}
.stat-card.success .stat-card__icon { background: var(--success-light); color: var(--success); }
.stat-card.warning .stat-card__icon { background: var(--warning-light); color: var(--warning); }
.stat-card.danger  .stat-card__icon { background: var(--danger-light);  color: var(--danger); }
.stat-card.gold    .stat-card__icon { background: #FEF9EE; color: var(--secondary); }

.stat-card__label {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  font-weight: var(--font-weight-medium);
  margin-bottom: var(--space-1);
}
.stat-card__value {
  font-size: var(--text-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  line-height: 1.2;
  margin-bottom: var(--space-2);
}
.stat-card__trend {
  font-size: var(--text-xs);
  font-weight: var(--font-weight-medium);
  display: flex;
  align-items: center;
  gap: 4px;
}
.stat-card__trend.up   { color: var(--success); }
.stat-card__trend.down { color: var(--danger); }

/* ===================
   TABLE
   =================== */
.table-container {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}
.table {
  width: 100%;
  border-collapse: collapse;
  background: var(--surface);
  font-size: var(--text-sm);
}
.table thead th {
  background: var(--bg-light);
  color: var(--text-secondary);
  font-weight: var(--font-weight-semibold);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
  text-align: left;
}
.table thead th:first-child { border-radius: var(--radius-lg) 0 0 0; }
.table thead th:last-child  { border-radius: 0 var(--radius-lg) 0 0; }

.table tbody td {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--border);
  color: var(--text-primary);
  vertical-align: middle;
}
.table tbody tr:last-child td { border-bottom: none; }
.table tbody tr {
  transition: var(--transition-fast);
}
.table tbody tr:hover {
  background: var(--surface-hover);
}

/* Table actions */
.table-actions {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

/* Sortable header */
.table thead th.sortable {
  cursor: pointer;
  user-select: none;
}
.table thead th.sortable:hover { color: var(--primary); }

/* ===================
   FORMS
   =================== */
.form-group {
  margin-bottom: var(--space-5);
}
.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: var(--font-weight-medium);
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}
.form-label .required {
  color: var(--danger);
  margin-left: 2px;
}
.form-control {
  width: 100%;
  padding: 0.625rem var(--space-4);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface);
  color: var(--text-primary);
  font-family: var(--font-family);
  font-size: var(--text-sm);
  transition: var(--transition-fast);
  outline: none;
}
.form-control::placeholder { color: var(--text-muted); }
.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(124,58,237,0.12);
}
.form-control:disabled {
  background: var(--bg-light);
  cursor: not-allowed;
  opacity: 0.7;
}
.form-control.is-invalid {
  border-color: var(--danger);
  box-shadow: 0 0 0 3px rgba(239,68,68,0.12);
}
.form-control.is-valid {
  border-color: var(--success);
  box-shadow: 0 0 0 3px rgba(16,185,129,0.12);
}

select.form-control {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236B6B8D' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}
textarea.form-control {
  resize: vertical;
  min-height: 100px;
}

.form-hint {
  font-size: var(--text-xs);
  color: var(--text-muted);
  margin-top: var(--space-1);
}
.form-error {
  font-size: var(--text-xs);
  color: var(--danger);
  margin-top: var(--space-1);
  display: flex;
  align-items: center;
  gap: 4px;
}

/* Form row */
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
}
.form-row-3 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: var(--space-5);
}
@media (max-width: 768px) {
  .form-row, .form-row-3 { grid-template-columns: 1fr; }
}

/* Checkbox & Radio */
.form-check {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  cursor: pointer;
  font-size: var(--text-sm);
  color: var(--text-primary);
}
.form-check input[type="checkbox"],
.form-check input[type="radio"] {
  width: 16px;
  height: 16px;
  accent-color: var(--primary);
  cursor: pointer;
  flex-shrink: 0;
}

/* Input with icon */
.input-group {
  position: relative;
  display: flex;
  align-items: center;
}
.input-group .form-control {
  padding-left: 40px;
}
.input-group .input-icon {
  position: absolute;
  left: 12px;
  color: var(--text-muted);
  pointer-events: none;
  font-size: 0.9rem;
}
.input-group .input-icon-right {
  position: absolute;
  right: 12px;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 0.9rem;
  padding: 4px;
}
.input-group .form-control.has-icon-right {
  padding-right: 40px;
}

/* ===================
   MODAL
   =================== */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(30,18,69,0.6);
  backdrop-filter: blur(4px);
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}
.modal-backdrop.active {
  opacity: 1;
  visibility: visible;
}
.modal {
  background: var(--surface);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  width: 100%;
  max-width: 560px;
  max-height: 90vh;
  overflow-y: auto;
  transform: scale(0.95) translateY(-10px);
  transition: var(--transition);
}
.modal-backdrop.active .modal {
  transform: scale(1) translateY(0);
}
.modal-lg { max-width: 760px; }
.modal-sm { max-width: 400px; }

.modal-header {
  padding: var(--space-6);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}
.modal-header h3 {
  font-size: var(--text-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin: 0;
}
.modal-body { padding: var(--space-6); }
.modal-footer {
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-3);
}

.btn-close {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition-fast);
  background: none;
  border: none;
  font-size: 1.25rem;
}
.btn-close:hover {
  background: var(--bg-light);
  color: var(--text-primary);
}

/* ===================
   TOAST NOTIFICATIONS
   =================== */
.toast-container {
  position: fixed;
  top: var(--space-6);
  right: var(--space-6);
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  max-width: 380px;
}
.toast {
  background: var(--surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
  padding: var(--space-4) var(--space-5);
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  transform: translateX(100%);
  opacity: 0;
  transition: var(--transition);
  border-left: 4px solid var(--primary);
}
.toast.show {
  transform: translateX(0);
  opacity: 1;
}
.toast.hide {
  transform: translateX(100%);
  opacity: 0;
}
.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 {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  margin-top: 1px;
}
.toast-success .toast__icon { color: var(--success); }
.toast-warning .toast__icon { color: var(--warning); }
.toast-danger  .toast__icon { color: var(--danger); }
.toast-info    .toast__icon { color: var(--info); }

.toast__content { flex: 1; }
.toast__title {
  font-weight: var(--font-weight-semibold);
  font-size: var(--text-sm);
  color: var(--text-primary);
  margin-bottom: 2px;
}
.toast__message {
  font-size: var(--text-xs);
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ===================
   PAGINATION
   =================== */
.pagination {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  flex-wrap: wrap;
}
.page-item {
  display: flex;
}
.page-link {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-sm);
  font-weight: var(--font-weight-medium);
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition-fast);
  border: 1px solid var(--border);
  background: var(--surface);
}
.page-link:hover {
  background: var(--primary-lighter);
  color: var(--primary);
  border-color: var(--primary-light);
}
.page-item.active .page-link {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}
.page-item.disabled .page-link {
  opacity: 0.4;
  cursor: not-allowed;
}

/* ===================
   STEPPER
   =================== */
.stepper {
  display: flex;
  align-items: flex-start;
  gap: 0;
  margin-bottom: var(--space-8);
  overflow-x: auto;
  padding-bottom: var(--space-2);
}
.step {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex: 1;
  position: relative;
  min-width: 80px;
}
.step:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 18px;
  left: 50%;
  width: 100%;
  height: 2px;
  background: var(--border);
  transition: var(--transition);
}
.step.completed:not(:last-child)::after,
.step.active:not(:last-child)::after {
  background: linear-gradient(90deg, var(--primary) 0%, var(--border) 100%);
}
.step.completed:not(:last-child)::after { background: var(--primary); }

.step__dot {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 2px solid var(--border);
  background: var(--surface);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--text-muted);
  position: relative;
  z-index: 1;
  transition: var(--transition);
}
.step.active .step__dot {
  border-color: var(--primary);
  background: var(--primary);
  color: #fff;
  box-shadow: 0 0 0 4px var(--primary-lighter);
}
.step.completed .step__dot {
  border-color: var(--success);
  background: var(--success);
  color: #fff;
}

.step__label {
  font-size: var(--text-xs);
  font-weight: var(--font-weight-medium);
  color: var(--text-muted);
  margin-top: var(--space-2);
  text-align: center;
  max-width: 80px;
}
.step.active .step__label   { color: var(--primary); font-weight: var(--font-weight-semibold); }
.step.completed .step__label { color: var(--success); }

/* ===================
   UPLOAD ZONE
   =================== */
.upload-zone {
  border: 2px dashed var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  text-align: center;
  background: var(--bg-light);
  cursor: pointer;
  transition: var(--transition);
}
.upload-zone:hover,
.upload-zone.dragover {
  border-color: var(--primary);
  background: var(--primary-lighter);
}
.upload-zone__icon {
  font-size: 2.5rem;
  color: var(--primary-light);
  margin-bottom: var(--space-3);
}
.upload-zone__text {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  margin-bottom: var(--space-2);
}
.upload-zone__hint {
  font-size: var(--text-xs);
  color: var(--text-muted);
}
.upload-zone input[type="file"] { display: none; }

.upload-preview {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: var(--success-light);
  border: 1px solid #A7F3D0;
  border-radius: var(--radius-md);
  margin-top: var(--space-3);
}
.upload-preview__icon { color: var(--success); font-size: 1.25rem; }
.upload-preview__name {
  flex: 1;
  font-size: var(--text-sm);
  color: #065F46;
  font-weight: var(--font-weight-medium);
}
.upload-preview__remove {
  color: var(--danger);
  cursor: pointer;
  font-size: 1rem;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
}
.upload-preview__remove:hover { background: var(--danger-light); }

/* ===================
   DROPDOWN
   =================== */
.dropdown {
  position: relative;
  display: inline-flex;
}
.dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  min-width: 180px;
  z-index: var(--z-dropdown);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: var(--transition-fast);
  overflow: hidden;
}
.dropdown.open .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.dropdown-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  color: var(--text-primary);
  cursor: pointer;
  transition: var(--transition-fast);
  text-decoration: none;
}
.dropdown-item:hover {
  background: var(--primary-lighter);
  color: var(--primary);
}
.dropdown-item.danger:hover {
  background: var(--danger-light);
  color: var(--danger);
}
.dropdown-divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: var(--space-1) 0;
}

/* ===================
   ALERT INLINE
   =================== */
.alert {
  padding: var(--space-4);
  border-radius: var(--radius-md);
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
  font-size: var(--text-sm);
  border: 1px solid transparent;
}
.alert-success { background: var(--success-light); border-color: #A7F3D0; color: #065F46; }
.alert-warning { background: var(--warning-light); border-color: #FDE68A; color: #92400E; }
.alert-danger  { background: var(--danger-light);  border-color: #FECACA; color: #991B1B; }
.alert-info    { background: var(--info-light);    border-color: #A5F3FC; color: #0E7490; }
.alert-primary { background: var(--primary-lighter); border-color: var(--primary-light); color: var(--primary-dark); }

/* ===================
   EMPTY STATE
   =================== */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-16) var(--space-8);
  text-align: center;
}
.empty-state__icon {
  font-size: 3rem;
  color: var(--text-muted);
  margin-bottom: var(--space-4);
  opacity: 0.5;
}
.empty-state__title {
  font-size: var(--text-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--text-secondary);
  margin-bottom: var(--space-2);
}
.empty-state__desc {
  font-size: var(--text-sm);
  color: var(--text-muted);
  max-width: 320px;
  margin-bottom: var(--space-6);
}

/* ===================
   LOADING SPINNER
   =================== */
.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid rgba(124,58,237,0.2);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}
.spinner-sm { width: 14px; height: 14px; border-width: 2px; }
.spinner-lg { width: 32px; height: 32px; border-width: 3px; }

/* ===================
   KANBAN BOARD
   =================== */
.kanban-board {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
  overflow-x: auto;
  padding-bottom: var(--space-4);
}
.kanban-col {
  background: var(--bg-light);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  min-height: 400px;
}
.kanban-col__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 2px solid var(--border);
}
.kanban-col__title {
  font-size: var(--text-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
}
.kanban-col__count {
  background: var(--primary-lighter);
  color: var(--primary);
  border-radius: var(--radius-full);
  padding: 2px 8px;
  font-size: var(--text-xs);
  font-weight: var(--font-weight-bold);
}
.kanban-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  margin-bottom: var(--space-3);
  box-shadow: var(--shadow-sm);
  cursor: grab;
  transition: var(--transition);
}
.kanban-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--primary-light);
}
.kanban-card__name {
  font-size: var(--text-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}
.kanban-card__meta {
  font-size: var(--text-xs);
  color: var(--text-secondary);
}
@media (max-width: 1024px) {
  .kanban-board { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .kanban-board { grid-template-columns: 1fr; }
}