/* =============================================
   POS Verdulería — Components
   ============================================= */

/* ---- Buttons ---- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 10px 20px;
    font-family: var(--font-family);
    font-size: var(--font-sm);
    font-weight: var(--font-weight-semibold);
    line-height: 1;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
    user-select: none;
    text-decoration: none;
}

.btn:active {
    transform: scale(0.97);
}

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

.btn-primary:hover {
    background: var(--color-primary-light);
    box-shadow: 0 4px 12px rgba(45, 90, 61, 0.25);
}

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

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

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

.btn-success:hover {
    background: #219a52;
    box-shadow: 0 4px 12px rgba(39, 174, 96, 0.25);
}

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

.btn-danger:hover {
    background: #c0392b;
    box-shadow: 0 4px 12px rgba(231, 76, 60, 0.25);
}

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

.btn-warning:hover {
    background: #e6951a;
}

.btn-ghost {
    background: transparent;
    color: var(--color-text-secondary);
    padding: 8px 12px;
}

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

.btn-sm {
    padding: 6px 14px;
    font-size: var(--font-xs);
    border-radius: var(--radius-sm);
}

.btn-lg {
    padding: 14px 28px;
    font-size: var(--font-md);
    border-radius: var(--radius-lg);
}

.btn-icon {
    padding: 8px;
    border-radius: var(--radius-sm);
    width: 36px;
    height: 36px;
}

.btn-block {
    width: 100%;
}

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

/* ---- Cards ---- */
.card {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border-light);
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--transition-base), transform var(--transition-base);
    overflow: hidden;
}

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

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

.card-header {
    padding: var(--space-lg) var(--space-lg) 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-title {
    font-size: var(--font-md);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text);
    font-family: var(--font-heading);
}

.card-footer {
    padding: var(--space-md) var(--space-lg);
    border-top: 1px solid var(--color-border-light);
    background: var(--color-bg);
}

/* Stat Cards */
.stat-card {
    padding: var(--space-lg);
    display: flex;
    align-items: flex-start;
    gap: var(--space-base);
}

.stat-card-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.stat-card-icon.green {
    background: var(--color-success-bg);
    color: var(--color-success);
}

.stat-card-icon.blue {
    background: var(--color-info-bg);
    color: var(--color-info);
}

.stat-card-icon.yellow {
    background: var(--color-warning-bg);
    color: var(--color-warning);
}

.stat-card-icon.red {
    background: var(--color-danger-bg);
    color: var(--color-danger);
}

.stat-card-content {
    flex: 1;
    min-width: 0;
}

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

.stat-card-value {
    font-family: var(--font-heading);
    font-size: var(--font-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text);
    line-height: 1;
}

.stat-card-sub {
    font-size: var(--font-xs);
    color: var(--color-text-muted);
    margin-top: var(--space-xs);
}

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

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

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 10px 14px;
    font-family: var(--font-family);
    font-size: var(--font-sm);
    color: var(--color-text);
    background: var(--color-surface);
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    outline: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(45, 90, 61, 0.1);
}

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

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

.form-select {
    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='%236B7B6E' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

.form-input-icon {
    position: relative;
}

.form-input-icon .form-input {
    padding-left: 40px;
}

.form-input-icon > i,
.form-input-icon > svg {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-muted);
    width: 16px;
    height: 16px;
    pointer-events: none;
}

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

@media (max-width: 640px) {
    .form-row {
        grid-template-columns: 1fr;
    }
}

/* ---- Tables ---- */
.table-container {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border-light);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.table-header {
    padding: var(--space-base) var(--space-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--color-border-light);
    flex-wrap: wrap;
    gap: var(--space-md);
}

.table-header-title {
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-md);
}

.table-scroll {
    overflow-x: auto;
}

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

thead {
    background: var(--color-bg);
}

th {
    padding: var(--space-md) var(--space-base);
    text-align: left;
    font-size: var(--font-xs);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    white-space: nowrap;
    border-bottom: 1px solid var(--color-border-light);
}

td {
    padding: var(--space-md) var(--space-base);
    font-size: var(--font-sm);
    border-bottom: 1px solid var(--color-border-light);
    vertical-align: middle;
}

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

tbody tr:hover {
    background: var(--color-surface-hover);
}

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

.table-img {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    object-fit: cover;
    background: var(--color-bg);
}

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

.table-empty {
    text-align: center;
    padding: var(--space-2xl) var(--space-base);
    color: var(--color-text-muted);
}

.table-empty i {
    width: 48px;
    height: 48px;
    margin: 0 auto var(--space-base);
    opacity: 0.3;
}

/* ---- Badges ---- */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    font-size: var(--font-xs);
    font-weight: var(--font-weight-semibold);
    border-radius: var(--radius-full);
    white-space: nowrap;
}

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

.badge-warning {
    background: var(--color-warning-bg);
    color: #B8860B;
}

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

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

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

.badge-secondary {
    background: #EEF2F7;
    color: #5A6A85;
    border: 1px dashed #B0BEC5;
}

.badge-dot::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: currentColor;
}

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

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

.modal {
    background: var(--color-surface);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    width: 100%;
    max-width: 540px;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.95) translateY(10px);
    transition: transform var(--transition-base);
}

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

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

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

.modal-title {
    font-family: var(--font-heading);
    font-size: var(--font-lg);
    font-weight: var(--font-weight-semibold);
}

.modal-close {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-text-muted);
    padding: var(--space-sm);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

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

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

.modal-footer {
    padding: var(--space-md) var(--space-lg) var(--space-lg);
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--space-md);
}

/* ---- Toast Notifications ---- */
.toast-container {
    position: fixed;
    top: var(--space-lg);
    right: var(--space-lg);
    z-index: var(--z-toast);
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    pointer-events: none;
}

.toast {
    background: var(--color-surface);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: var(--space-base) var(--space-lg);
    display: flex;
    align-items: center;
    gap: var(--space-md);
    min-width: 300px;
    max-width: 420px;
    pointer-events: auto;
    animation: toastIn var(--transition-base) both;
    border-left: 4px solid var(--color-primary);
}

.toast.toast-out {
    animation: toastOut var(--transition-base) both;
}

.toast-success { border-left-color: var(--color-success); }
.toast-error { border-left-color: var(--color-danger); }
.toast-warning { border-left-color: var(--color-warning); }
.toast-info { border-left-color: var(--color-info); }

.toast-icon {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
}

.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); }

.toast-message {
    flex: 1;
    font-size: var(--font-sm);
    font-weight: var(--font-weight-medium);
}

.toast-close {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-text-muted);
    padding: 4px;
    border-radius: var(--radius-sm);
    flex-shrink: 0;
}

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

/* ---- Skeleton Loader ---- */
.skeleton {
    background: linear-gradient(90deg, var(--color-bg) 25%, var(--color-border-light) 50%, var(--color-bg) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius-sm);
}

.skeleton-text {
    height: 14px;
    width: 80%;
    margin-bottom: var(--space-sm);
}

.skeleton-title {
    height: 24px;
    width: 50%;
    margin-bottom: var(--space-base);
}

.skeleton-card {
    height: 120px;
    border-radius: var(--radius-lg);
}

.skeleton-circle {
    width: 48px;
    height: 48px;
    border-radius: 50%;
}

/* ---- Search Bar ---- */
.search-bar {
    position: relative;
    max-width: 320px;
}

.search-bar input {
    width: 100%;
    padding: 9px 14px 9px 38px;
    font-family: var(--font-family);
    font-size: var(--font-sm);
    background: var(--color-bg);
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-full);
    outline: none;
    transition: all var(--transition-fast);
    color: var(--color-text);
}

.search-bar input:focus {
    background: var(--color-surface);
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(45, 90, 61, 0.1);
}

.search-bar i {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    color: var(--color-text-muted);
    pointer-events: none;
}

/* ---- Filter Pills ---- */
.filter-pills {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

.filter-pill {
    padding: 6px 16px;
    font-size: var(--font-xs);
    font-weight: var(--font-weight-medium);
    background: var(--color-surface);
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
    color: var(--color-text-secondary);
    user-select: none;
}

.filter-pill:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.filter-pill.active {
    background: var(--color-primary);
    color: var(--color-text-inverse);
    border-color: var(--color-primary);
}

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

.empty-state-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--space-base);
    color: var(--color-text-muted);
    opacity: 0.4;
}

.empty-state-title {
    font-size: var(--font-lg);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--space-sm);
}

.empty-state-text {
    color: var(--color-text-secondary);
    font-size: var(--font-sm);
    margin-bottom: var(--space-lg);
}

/* ---- Confirm Dialog ---- */
.confirm-dialog .modal {
    max-width: 420px;
}

.confirm-dialog .modal-body {
    text-align: center;
}

.confirm-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto var(--space-base);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

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

/* ---- Spinner ---- */
.spinner {
    width: 24px;
    height: 24px;
    border: 3px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.spinner-sm {
    width: 16px;
    height: 16px;
    border-width: 2px;
}

.loading-overlay {
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: inherit;
    z-index: 10;
}

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

.tab {
    padding: var(--space-md) var(--space-lg);
    font-size: var(--font-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: all var(--transition-fast);
    user-select: none;
}

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

.tab.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
    font-weight: var(--font-weight-semibold);
}

/* ---- Responsive Overrides for Components ---- */
@media (max-width: 640px) {
    /* Modals take full width minus padding on mobile */
    .modal-overlay {
        padding: var(--space-sm);
    }
    .modal {
        width: 100%;
        max-width: none;
        border-radius: var(--radius-lg);
        max-height: 95vh;
    }
    .modal-header {
        padding: var(--space-md);
    }
    .modal-body {
        padding: var(--space-md);
    }
    .modal-footer {
        padding: var(--space-md);
        flex-direction: column;
        align-items: stretch;
    }
    
    /* Toasts position at the top, center, full width */
    .toast-container {
        top: var(--space-sm);
        right: var(--space-sm);
        left: var(--space-sm);
        align-items: center;
    }
    .toast {
        min-width: 0;
        width: 100%;
        max-width: 100%;
    }
}

/* ---- Pagination ---- */
.pagination-bar {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) 0;
    user-select: none;
}

.pagination-bar .btn-page {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    border: 1.5px solid var(--color-border);
    background: var(--color-surface);
    color: var(--color-text-secondary);
    font-size: var(--font-sm);
    font-weight: var(--font-weight-semibold);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.pagination-bar .btn-page:hover:not(:disabled):not(.active) {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: var(--color-primary-bg);
}

.pagination-bar .btn-page.active {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}

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

.pagination-bar .pagination-info {
    font-size: var(--font-xs);
    color: var(--color-text-muted);
    padding: 0 var(--space-sm);
}

/* ---- Deuda Inicial Card ---- */
.deuda-inicial-card {
    background: linear-gradient(135deg, #FFF8E1 0%, #FFF3CD 100%);
    border: 1.5px solid var(--color-warning);
    border-radius: var(--radius-lg);
    padding: var(--space-md) var(--space-lg);
    margin-bottom: var(--space-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--space-md);
}

.deuda-inicial-card .di-info {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.deuda-inicial-card .di-label {
    font-size: var(--font-sm);
    color: #8B6914;
    font-weight: 600;
}

.deuda-inicial-card .di-monto {
    font-size: var(--font-lg);
    font-weight: 700;
    color: #B8860B;
}

.deuda-inicial-card .di-saldo {
    font-size: var(--font-md);
    font-weight: 700;
    color: var(--color-danger);
}

.deuda-inicial-card.pagada {
    border-color: var(--color-success);
    background: linear-gradient(135deg, #f0f8f2 0%, #e8f5e9 100%);
}

.deuda-inicial-card.pagada .di-label {
    color: var(--color-success);
}

.deuda-inicial-card.pagada .di-saldo {
    color: var(--color-success);
}

/* ---- Pago Tipo Selector ---- */
.pago-tipo-selector {
    display: flex;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
    flex-wrap: wrap;
}

.pago-tipo-selector .pago-tipo-btn {
    flex: 1;
    min-width: 140px;
    padding: var(--space-md);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-lg);
    background: var(--color-surface);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-align: center;
}

.pago-tipo-selector .pago-tipo-btn:hover {
    border-color: var(--color-primary);
    background: var(--color-primary-bg);
}

.pago-tipo-selector .pago-tipo-btn.selected {
    border-color: var(--color-primary);
    background: var(--color-primary-bg);
    box-shadow: 0 0 0 1px var(--color-primary) inset;
}

.pago-tipo-selector .pago-tipo-btn .pago-tipo-icon {
    font-size: 1.5rem;
    margin-bottom: var(--space-xs);
}

.pago-tipo-selector .pago-tipo-btn .pago-tipo-title {
    font-weight: 600;
    font-size: var(--font-sm);
    color: var(--color-text);
}

.pago-tipo-selector .pago-tipo-btn .pago-tipo-desc {
    font-size: var(--font-xs);
    color: var(--color-text-muted);
    margin-top: 2px;
}