/* ========================================
   Component Styles - Buttons, Cards, Forms, Tables, Modals
   ======================================== */

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    padding: var(--spacing-2) var(--spacing-4);
    font-weight: 500;
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
    cursor: pointer;
    border: none;
    white-space: nowrap;
}

.btn svg {
    width: 18px;
    height: 18px;
}

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

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

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

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

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

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

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

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

.btn-sm {
    padding: var(--spacing-1) var(--spacing-3);
    font-size: var(--font-size-sm);
}

.btn-sm svg {
    width: 16px;
    height: 16px;
}

.btn-lg {
    padding: var(--spacing-3) var(--spacing-6);
    font-size: var(--font-size-lg);
}

.btn-icon {
    width: 36px;
    height: 36px;
    padding: 0;
}

.btn-icon.btn-sm {
    width: 28px;
    height: 28px;
}

/* Cards */
.card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
}

.card__header {
    padding: var(--spacing-4) var(--spacing-5);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card__title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    display: flex;
    align-items: center;
}

.card__body {
    padding: var(--spacing-5);
}

.card__footer {
    padding: var(--spacing-4) var(--spacing-5);
    border-top: 1px solid var(--border);
    background: var(--bg-tertiary);
    border-radius: 0 0 var(--radius-xl) var(--radius-xl);
}

/* KPI Cards */
.kpi-card {
    padding: var(--spacing-5);
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--spacing-2);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

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

.kpi-card__icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
}

.kpi-card__icon svg {
    width: 24px;
    height: 24px;
}

.kpi-card__icon.success {
    background: var(--success-bg);
    color: var(--success);
}

.kpi-card__icon.warning {
    background: var(--warning-bg);
    color: var(--warning);
}

.kpi-card__icon.info {
    background: var(--info-bg);
    color: var(--info);
}

.kpi-card__icon.danger {
    background: var(--danger-bg);
    color: var(--danger);
}

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

.kpi-card__label {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

/* Form Elements */
.form-group {
    margin-bottom: var(--spacing-4);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-2);
    font-weight: 500;
    font-size: var(--font-size-sm);
    color: var(--text-primary);
}

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

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: var(--spacing-3);
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    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);
    box-shadow: 0 0 0 3px var(--primary-light);
}

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

.form-input.readonly {
    background: var(--bg-tertiary);
    cursor: not-allowed;
}

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%2364748B' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 18px;
    padding-right: 40px;
}

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

.form-hint {
    margin-top: var(--spacing-1);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.form-error {
    margin-top: var(--spacing-1);
    font-size: var(--font-size-sm);
    color: var(--danger);
}

/* Toggle Switch */
.toggle {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-3);
    cursor: pointer;
}

.toggle__input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle__slider {
    width: 48px;
    height: 26px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius-full);
    position: relative;
    transition: all var(--transition-fast);
}

.toggle__slider::before {
    content: "";
    position: absolute;
    top: 2px;
    left: 2px;
    width: 20px;
    height: 20px;
    background: white;
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-fast);
}

.toggle__input:checked+.toggle__slider {
    background: var(--primary);
    border-color: var(--primary);
}

.toggle__input:checked+.toggle__slider::before {
    transform: translateX(22px);
}

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

/* Tables */
.table-container {
    overflow-x: auto;
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    background: var(--bg-secondary);
}

.table {
    min-width: 100%;
}

.table th,
.table td {
    padding: var(--spacing-3) var(--spacing-4);
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.table th {
    background: var(--bg-tertiary);
    font-weight: 600;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    white-space: nowrap;
}

.table tbody tr {
    transition: background var(--transition-fast);
}

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

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

/* Status Row Colors */
.table tbody tr.status-ok {
    border-left: 4px solid var(--success);
}

.table tbody tr.status-warning {
    border-left: 4px solid var(--warning);
    background: var(--warning-bg);
}

.table tbody tr.status-process {
    border-left: 4px solid var(--info);
    background: var(--info-bg);
}

.table tbody tr.status-expired {
    border-left: 4px solid var(--danger);
    background: var(--danger-bg);
}

/* Status Badge */
.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-1);
    padding: var(--spacing-1) var(--spacing-2);
    font-size: var(--font-size-xs);
    font-weight: 600;
    border-radius: var(--radius-full);
}

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

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

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

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

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

/* Modal */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-4);
    z-index: 200;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--bg-secondary);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
    max-width: 560px;
    width: 100%;
    max-height: 90vh;
    overflow: hidden;
    transform: scale(0.95) translateY(20px);
    transition: transform var(--transition-base);
}

.modal-overlay.active .modal {
    transform: scale(1) translateY(0);
}

.modal__header {
    padding: var(--spacing-5);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

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

.modal__close {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-lg);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

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

.modal__close svg {
    width: 20px;
    height: 20px;
}

.modal__body {
    padding: var(--spacing-5);
    overflow-y: auto;
    max-height: calc(90vh - 140px);
}

.modal__footer {
    padding: var(--spacing-4) var(--spacing-5);
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-3);
}

/* File Preview Modal */
.modal.modal-lg {
    max-width: 900px;
}

.file-preview {
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    text-align: center;
}

.file-preview img,
.file-preview iframe {
    max-width: 100%;
    max-height: 60vh;
}

/* Toast */
.toast-container {
    position: fixed;
    bottom: var(--spacing-6);
    right: var(--spacing-6);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3);
    z-index: 300;
}

.toast {
    padding: var(--spacing-4);
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    min-width: 300px;
    animation: slideIn 0.3s ease;
}

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

    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.toast.success {
    border-left: 4px solid var(--success);
}

.toast.warning {
    border-left: 4px solid var(--warning);
}

.toast.error {
    border-left: 4px solid var(--danger);
}

.toast.info {
    border-left: 4px solid var(--info);
}

.toast__icon {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
}

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

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

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

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

.toast__content {
    flex: 1;
}

.toast__title {
    font-weight: 600;
    margin-bottom: 2px;
}

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

.toast__close {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-tertiary);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

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

/* Search Bar */
.search-bar {
    position: relative;
}

.search-bar__icon {
    position: absolute;
    left: var(--spacing-3);
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-tertiary);
    width: 20px;
    height: 20px;
}

.search-bar input {
    padding-left: 44px;
}

/* Filter Bar */
.filter-bar {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
    flex-wrap: wrap;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: var(--spacing-12);
    color: var(--text-secondary);
}

.empty-state svg {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--spacing-4);
    opacity: 0.5;
}

.empty-state__title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-2);
}

/* Pagination */
.pagination {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-4) 0;
}

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

.pagination__buttons {
    display: flex;
    gap: var(--spacing-2);
}

/* Floating Action Bar for Bulk Actions */
.floating-action-bar {
    position: fixed;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%) translateY(150%);
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 50px;
    padding: 12px 24px;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    z-index: 900;
    display: flex;
    align-items: center;
    gap: 16px;
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    min-width: 350px;
    justify-content: space-between;
}

.floating-action-bar.active {
    transform: translateX(-50%) translateY(0);
}

.floating-action-bar__info {
    font-weight: 600;
    font-size: 14px;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
    padding-left: 8px;
}

.floating-action-bar__actions {
    display: flex;
    align-items: center;
    gap: 8px;
}