/* ============================================
   CFS - Component Styles
   ============================================ */

/* ---- Buttons ---- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 0.5rem 1rem;
    border: none;
    border-radius: var(--radius-md);
    font-family: var(--font-family);
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
    text-decoration: none;
    line-height: 1.5;
}

.btn:hover {
    transform: translateY(-1px);
}

.btn:active {
    transform: translateY(0);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--text-on-primary);
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
}

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

.btn-secondary:hover {
    background: var(--border-color);
}

.btn-success {
    background: var(--gradient-success);
    color: var(--text-on-primary);
    box-shadow: 0 2px 8px rgba(16, 185, 129, 0.3);
}

.btn-danger {
    background: var(--gradient-danger);
    color: var(--text-on-primary);
    box-shadow: 0 2px 8px rgba(239, 68, 68, 0.3);
}

.btn-warning {
    background: var(--color-warning);
    color: #1e293b;
}

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

.btn-ghost:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.btn-sm {
    padding: 0.3rem 0.75rem;
    font-size: var(--font-size-xs);
}

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

.btn-icon {
    padding: 0.5rem;
    min-width: 36px;
    height: 36px;
}

/* ---- Form Elements ---- */
.form-group {
    margin-bottom: var(--space-base);
}

.form-label {
    display: block;
    margin-bottom: var(--space-xs);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--text-secondary);
}

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

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 0.5rem 0.75rem;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    color: var(--text-primary);
    transition: all var(--transition-fast);
}

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

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--text-tertiary);
}

.form-textarea {
    resize: vertical;
    min-height: 80px;
}

.form-select {
    cursor: pointer;
}

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

.form-error {
    font-size: var(--font-size-xs);
    color: var(--color-danger);
    margin-top: 2px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-base);
}

.form-row-3 {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: var(--space-base);
}

.form-hint {
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
    margin-top: 2px;
}

/* ---- Cards ---- */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.card:hover {
    box-shadow: var(--shadow-md);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-base);
    padding-bottom: var(--space-base);
    border-bottom: 1px solid var(--border-light);
}

.card-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
}

/* ---- Stat Cards ---- */
.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    position: relative;
    overflow: hidden;
    transition: all var(--transition-base);
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
}

.stat-card.primary::before {
    background: var(--gradient-primary);
}

.stat-card.success::before {
    background: var(--gradient-success);
}

.stat-card.warning::before {
    background: var(--color-warning);
}

.stat-card.danger::before {
    background: var(--gradient-danger);
}

.stat-card.info::before {
    background: var(--color-info);
}

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

.stat-value {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    line-height: 1;
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-top: var(--space-xs);
}

.stat-icon {
    position: absolute;
    right: var(--space-lg);
    top: 50%;
    transform: translateY(-50%);
    font-size: 2.5rem;
    opacity: 0.15;
}

/* ---- Tables ---- */
.table-container {
    overflow-x: auto;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th {
    text-align: left;
    padding: 0.75rem 1rem;
    background: var(--bg-tertiary);
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
    white-space: nowrap;
    cursor: pointer;
    user-select: none;
}

.data-table th:hover {
    color: var(--text-primary);
}

.data-table td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border-light);
    font-size: var(--font-size-sm);
    color: var(--text-primary);
    vertical-align: middle;
}

.data-table tr:last-child td {
    border-bottom: none;
}

.data-table tr:hover td {
    background: var(--bg-tertiary);
}

.table-actions {
    display: flex;
    gap: var(--space-xs);
}

.table-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-base);
    gap: var(--space-base);
    flex-wrap: wrap;
}

.table-search {
    position: relative;
    min-width: 250px;
}

.table-search .form-input {
    padding-left: 2.25rem;
}

.table-search .search-icon {
    position: absolute;
    left: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-tertiary);
    font-size: var(--font-size-sm);
}

.table-filters {
    display: flex;
    gap: var(--space-sm);
    align-items: center;
    flex-wrap: wrap;
}

/* ---- Pagination ---- */
.pagination {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-base) 0;
    gap: var(--space-base);
}

.pagination-info {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.pagination-buttons {
    display: flex;
    gap: var(--space-xs);
}

.pagination-btn {
    padding: 0.4rem 0.75rem;
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    color: var(--text-primary);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.pagination-btn:hover {
    background: var(--bg-tertiary);
}

.pagination-btn.active {
    background: var(--color-primary);
    color: var(--text-on-primary);
    border-color: var(--color-primary);
}

.pagination-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

/* ---- Badges ---- */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.15rem 0.6rem;
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 600;
    white-space: nowrap;
    letter-spacing: 0.02em;
}

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

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

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

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

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

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

/* ---- Modal ---- */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: var(--bg-modal-overlay);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    animation: fadeIn var(--transition-fast);
    padding: var(--space-lg);
}

.modal {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    width: 100%;
    max-width: 540px;
    box-shadow: var(--shadow-xl);
    animation: slideInUp var(--transition-base);
    max-height: 90vh;
    display: flex;
    flex-direction: column;
}

.modal-lg {
    max-width: 720px;
}

.modal-xl {
    max-width: 1100px;
}

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

.modal-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.25rem;
    color: var(--text-tertiary);
    cursor: pointer;
    padding: 0.25rem;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
}

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

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

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

/* ---- Tags ---- */
.tag-input-container {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
    padding: 0.35rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-input);
    min-height: 40px;
    cursor: text;
}

.tag-input-container:focus-within {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

.tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 0.15rem 0.5rem;
    background: var(--color-primary-light);
    color: var(--color-primary);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 500;
}

.tag-remove {
    background: none;
    border: none;
    color: inherit;
    cursor: pointer;
    font-size: var(--font-size-sm);
    opacity: 0.7;
    line-height: 1;
    display: flex;
    align-items: center;
}

.tag-remove:hover {
    opacity: 1;
}

.tag-input {
    border: none;
    outline: none;
    background: transparent;
    flex: 1;
    min-width: 120px;
    font-family: var(--font-family);
    font-size: var(--font-size-sm);
    color: var(--text-primary);
    padding: 0.15rem 0.25rem;
}

/* ---- Toast Notifications ---- */
.toast-container {
    position: fixed;
    top: var(--space-lg);
    right: var(--space-lg);
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.toast {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    padding: var(--space-base) var(--space-lg);
    border-radius: var(--radius-md);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
    min-width: 320px;
    max-width: 420px;
    animation: slideInRight var(--transition-base) ease-out;
}

.toast-icon {
    font-size: 1.25rem;
    flex-shrink: 0;
    margin-top: 1px;
}

.toast-content {
    flex: 1;
}

.toast-title {
    font-weight: 600;
    font-size: var(--font-size-sm);
    margin-bottom: 2px;
}

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

.toast-close {
    background: none;
    border: none;
    color: var(--text-tertiary);
    cursor: pointer;
    font-size: var(--font-size-sm);
    padding: 2px;
}

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

.toast.error .toast-icon {
    color: var(--color-danger);
}

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

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

/* ---- Timeline ---- */
.timeline {
    position: relative;
    padding-left: var(--space-xl);
}

.timeline::before {
    content: '';
    position: absolute;
    left: 8px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border-color);
}

.timeline-item {
    position: relative;
    padding-bottom: var(--space-lg);
}

.timeline-dot {
    position: absolute;
    left: calc(-1 * var(--space-xl) + 2px);
    top: 4px;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--color-primary);
    border: 2px solid var(--bg-card);
}

.timeline-item.success .timeline-dot {
    background: var(--color-success);
}

.timeline-item.warning .timeline-dot {
    background: var(--color-warning);
}

.timeline-item.danger .timeline-dot {
    background: var(--color-danger);
}

.timeline-time {
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
}

.timeline-title {
    font-weight: 500;
    font-size: var(--font-size-sm);
}

.timeline-desc {
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
    margin-top: 2px;
}

/* ---- Tabs ---- */
.tabs {
    display: flex;
    border-bottom: 2px solid var(--border-light);
    gap: 0;
    margin-bottom: var(--space-lg);
}

.tab-btn {
    padding: 0.6rem 1.25rem;
    border: none;
    background: none;
    font-family: var(--font-family);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    position: relative;
    transition: all var(--transition-fast);
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
}

.tab-btn:hover {
    color: var(--text-primary);
}

.tab-btn.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}

/* ---- File Upload ---- */
.file-upload-area {
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-fast);
    background: var(--bg-tertiary);
}

.file-upload-area:hover {
    border-color: var(--color-primary);
    background: var(--color-primary-light);
}

.file-upload-area.dragging {
    border-color: var(--color-primary);
    background: var(--color-primary-light);
}

.file-upload-icon {
    font-size: 2rem;
    color: var(--text-tertiary);
    margin-bottom: var(--space-sm);
}

.file-upload-text {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.file-upload-hint {
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
    margin-top: var(--space-xs);
}

.file-list {
    margin-top: var(--space-base);
}

.file-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-base);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-xs);
    font-size: var(--font-size-sm);
}

.file-item-name {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.file-item-size {
    color: var(--text-tertiary);
    font-size: var(--font-size-xs);
}

/* ---- Empty State ---- */
.empty-state {
    text-align: center;
    padding: var(--space-2xl);
    color: var(--text-secondary);
}

.empty-state-icon {
    font-size: 3rem;
    margin-bottom: var(--space-base);
    opacity: 0.5;
}

.empty-state-text {
    font-size: var(--font-size-md);
}

/* ---- Loading ---- */
.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-color);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

/* ---- Autocomplete Dropdown ---- */
.autocomplete-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    max-height: 220px;
    overflow-y: auto;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    z-index: 100;
    margin-top: 2px;
}

.autocomplete-item {
    padding: 0.6rem 0.75rem;
    cursor: pointer;
    font-size: var(--font-size-sm);
    border-bottom: 1px solid var(--border-light);
    transition: background var(--transition-fast);
}

.autocomplete-item:last-child {
    border-bottom: none;
}

.autocomplete-item:hover {
    background: var(--color-primary-light, rgba(99, 102, 241, 0.08));
}

/* ---- AI Suggest Buttons ---- */
.ai-btn-group {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-xs);
    flex-wrap: wrap;
    gap: var(--space-xs);
}

.ai-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 0.25rem 0.6rem;
    border: none;
    border-radius: var(--radius-full);
    font-family: var(--font-family);
    font-size: var(--font-size-xs);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    color: #fff;
    box-shadow: 0 2px 6px rgba(99, 102, 241, 0.3);
}

.ai-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 10px rgba(99, 102, 241, 0.4);
}

.ai-btn:active {
    transform: translateY(0);
}

.ai-btn:disabled {
    opacity: 0.7;
    cursor: wait;
    transform: none;
}

.ai-btn-optimize {
    background: linear-gradient(135deg, #f59e0b, #ef4444);
    box-shadow: 0 2px 6px rgba(245, 158, 11, 0.3);
}

.ai-btn-optimize:hover {
    box-shadow: 0 4px 10px rgba(245, 158, 11, 0.4);
}

.ai-btn-icon {
    font-size: 0.85rem;
}

.ai-loading {
    display: inline-block;
    animation: aiSpin 1s linear infinite;
    font-size: 0.85rem;
}

@keyframes aiSpin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* ---- Tab Bar ---- */
.tab-bar {
    display: flex;
    gap: 0;
    border-bottom: 2px solid var(--border-light);
}

/* ---- Product Row ---- */
.product-row {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border-light);
}

.product-row:last-child {
    border-bottom: none;
}

/* ---- Small File Upload (for modals) ---- */
.file-upload-area-sm {
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--space-base);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-fast);
    background: var(--bg-tertiary);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.file-upload-area-sm:hover {
    border-color: var(--color-primary);
    background: var(--color-primary-light);
}

/* ---- Small File Item (for modal file lists) ---- */
.file-item-sm {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 0.4rem 0.75rem;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-xs);
    font-size: var(--font-size-xs);
}

/* ---- Info Button ---- */
.btn-info {
    background: linear-gradient(135deg, #06b6d4, #0891b2);
    color: var(--text-on-primary);
    box-shadow: 0 2px 8px rgba(6, 182, 212, 0.3);
}

.btn-info:hover {
    box-shadow: 0 4px 12px rgba(6, 182, 212, 0.4);
}

/* ---- Timeline Info ---- */
.timeline-item.info .timeline-dot {
    background: var(--color-info, #06b6d4);
}

/* ============================================
   ROLE BADGES — New 5-role system
   ============================================ */
.badge-admin-manager {
    background: linear-gradient(135deg, #f59e0b22, #fbbf2422);
    color: #d97706;
    border: 1px solid #f59e0b44;
    font-weight: 700;
}

.badge-admin-cfs {
    background: linear-gradient(135deg, #3b82f622, #60a5fa22);
    color: #2563eb;
    border: 1px solid #3b82f644;
    font-weight: 700;
}

.badge-admin-capa {
    background: linear-gradient(135deg, #f9731622, #fb923c22);
    color: #ea580c;
    border: 1px solid #f9731644;
    font-weight: 700;
}

.badge-manager {
    background: linear-gradient(135deg, #10b98122, #34d39922);
    color: #059669;
    border: 1px solid #10b98144;
    font-weight: 600;
}

.badge-staff-role {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

/* Role indicator in topbar */
.role-indicator {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 10px;
    border-radius: 999px;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.03em;
    margin-left: 4px;
}

/* ============================================
   ASSIGNMENT SECTION
   ============================================ */
.assignment-section {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1rem 1.25rem;
    margin-bottom: 1rem;
}

.assignment-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.75rem;
}

.assignment-title {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.assignment-avatar {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: var(--color-primary-light);
    color: var(--color-primary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.8rem;
    flex-shrink: 0;
}

.assignment-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.assignment-name {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-primary);
}

.assignment-meta {
    font-size: 0.78rem;
    color: var(--text-tertiary);
    margin-top: 1px;
}

.staff-select-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.6rem 0.75rem;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background 0.15s;
    border: 1px solid transparent;
}

.staff-select-item:hover {
    background: var(--bg-tertiary);
    border-color: var(--border-color);
}

.staff-select-item.selected {
    background: var(--color-primary-light);
    border-color: var(--color-primary);
}