/* ============================================
   ComercioBase - Estilo Vistoso y Colorido
   ============================================ */

:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --accent: #f59e0b;
    --accent-dark: #d97706;
    --success: #10b981;
    --success-dark: #059669;
    --danger: #ef4444;
    --danger-dark: #dc2626;
    --warning: #f59e0b;
    --bg: #f1f5f9;
    --bg-card: #ffffff;
    --sidebar-bg: linear-gradient(180deg, #4f46e5 0%, #6366f1 50%, #7c3aed 100%);
    --sidebar-width: 260px;
    --topbar-height: 64px;
    --radius: 16px;
    --radius-sm: 8px;
    --shadow: 0 4px 20px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 40px rgba(0,0,0,0.12);
    --text-dark: #1e293b;
    --text-muted: #64748b;
    --border: #e2e8f0;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', sans-serif;
    background: var(--bg);
    color: var(--text-dark);
    min-height: 100vh;
}

/* =================== LOGIN =================== */
.login-screen {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    padding: 20px;
}

.login-card {
    background: white;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    padding: 48px 40px;
    width: 100%;
    max-width: 420px;
    text-align: center;
}

.login-logo {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary) 0%, #8b5cf6 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 36px;
    color: white;
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.4);
}

.login-title {
    font-size: 28px;
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: 4px;
}

.login-subtitle {
    color: var(--text-muted);
    font-size: 14px;
    margin-bottom: 32px;
}

.login-card .form-group {
    margin-bottom: 20px;
    text-align: left;
}

.login-card .form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 6px;
}

.login-card .form-group label i {
    margin-right: 6px;
    color: var(--primary);
}

.login-card input {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 15px;
    font-family: inherit;
    transition: all 0.2s;
}

.login-card input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

.error-msg {
    background: #fef2f2;
    color: var(--danger);
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* =================== BUTTONS =================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border: none;
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-block { width: 100%; }

.btn-lg { padding: 16px 32px; font-size: 16px; }
.btn-xl { padding: 20px 40px; font-size: 18px; font-weight: 700; }
.btn-sm { padding: 8px 16px; font-size: 13px; }

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, #8b5cf6 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}
.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-dark) 0%, #7c3aed 100%);
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
}

.btn-success {
    background: linear-gradient(135deg, var(--success) 0%, #059669 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
}
.btn-success:hover {
    background: linear-gradient(135deg, var(--success-dark) 0%, #047857 100%);
    transform: translateY(-1px);
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger) 0%, #dc2626 100%);
    color: white;
}
.btn-danger:hover { background: linear-gradient(135deg, var(--danger-dark) 0%, #b91c1c 100%); }

.btn-outline {
    background: transparent;
    border: 2px solid var(--border);
    color: var(--text-muted);
}
.btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.btn-logout {
    background: rgba(255,255,255,0.15);
    color: white;
    border: 1px solid rgba(255,255,255,0.2);
    padding: 10px 16px;
    font-size: 13px;
    width: 100%;
}
.btn-logout:hover { background: rgba(255,255,255,0.25); }

/* =================== APP LAYOUT =================== */
.app-screen {
    display: flex;
    min-height: 100vh;
}

/* SIDEBAR */
.sidebar {
    width: var(--sidebar-width);
    background: var(--sidebar-bg);
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    display: flex;
    flex-direction: column;
    z-index: 100;
    transition: transform 0.3s ease;
}

.sidebar-header {
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.sidebar-logo {
    width: 44px;
    height: 44px;
    background: rgba(255,255,255,0.2);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    color: white;
}

.sidebar-title {
    flex: 1;
}

.sidebar-title span {
    color: white;
    font-size: 18px;
    font-weight: 700;
}

.sidebar-toggle {
    display: none;
    background: none;
    border: none;
    color: white;
    font-size: 20px;
    cursor: pointer;
    padding: 4px;
}

.sidebar-nav {
    flex: 1;
    padding: 16px 12px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    border-radius: var(--radius-sm);
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s;
}

.nav-item i {
    width: 20px;
    text-align: center;
    font-size: 16px;
}

.nav-item:hover {
    background: rgba(255,255,255,0.15);
    color: white;
}

.nav-item.active {
    background: rgba(255,255,255,0.25);
    color: white;
    font-weight: 600;
}

.sidebar-footer {
    padding: 16px;
    border-top: 1px solid rgba(255,255,255,0.1);
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.sidebar-user {
    display: flex;
    align-items: center;
    gap: 10px;
    color: rgba(255,255,255,0.9);
    font-size: 14px;
    font-weight: 500;
}

/* MAIN CONTENT */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* TOP BAR */
.top-bar {
    height: var(--topbar-height);
    background: white;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    padding: 0 24px;
    gap: 16px;
    position: sticky;
    top: 0;
    z-index: 50;
    box-shadow: 0 2px 10px rgba(0,0,0,0.04);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 22px;
    color: var(--text-dark);
    cursor: pointer;
    padding: 4px;
}

.top-bar-title h1 {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-dark);
}

.top-bar-user {
    margin-left: auto;
    font-size: 14px;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 6px;
}

/* VIEW CONTAINER */
.view-container {
    flex: 1;
    padding: 24px;
}

.view {
    display: none;
}

.view.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* =================== DASHBOARD =================== */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-bottom: 24px;
}

.metric-card {
    background: white;
    border-radius: var(--radius);
    padding: 24px;
    display: grid;
    grid-template-columns: auto 1fr;
    grid-template-areas:
        "icon label"
        "value value";
    column-gap: 16px;
    row-gap: 10px;
    align-items: center;
    box-shadow: var(--shadow);
    transition: transform 0.2s, box-shadow 0.2s;
}

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

.metric-icon {
    grid-area: icon;
    width: 56px;
    height: 56px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
    color: white;
    flex-shrink: 0;
}

.metric-sales .metric-icon { background: linear-gradient(135deg, #6366f1, #8b5cf6); }
.metric-gain .metric-icon { background: linear-gradient(135deg, #10b981, #059669); }
.metric-products .metric-icon { background: linear-gradient(135deg, #f59e0b, #d97706); }
.metric-debt .metric-icon { background: linear-gradient(135deg, #ef4444, #dc2626); }

.metric-info {
    display: contents;
}

.metric-label {
    grid-area: label;
    font-size: 13px;
    color: var(--text-muted);
    font-weight: 500;
}

.metric-value {
    grid-area: value;
    font-size: 26px;
    font-weight: 700;
    color: var(--text-dark);
    white-space: nowrap;
}

.dashboard-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

/* =================== CARDS =================== */
.card {
    background: white;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.card-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-header h3 {
    font-size: 16px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-dark);
}

.card-header h3 i {
    color: var(--primary);
}

.card-body {
    padding: 20px 24px;
}

/* STOCK LIST */
.stock-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
    max-height: 280px;
    overflow-y: auto;
}

.stock-list li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background: #fef2f2;
    border-radius: var(--radius-sm);
    border-left: 4px solid var(--danger);
    font-size: 14px;
}

.stock-list li .stock-name { font-weight: 600; }
.stock-list li .stock-val { color: var(--danger); font-weight: 700; }

/* CAJA STATUS */
.caja-status {
    text-align: center;
    padding: 20px;
}

.caja-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 24px;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 700;
}

.caja-badge i { font-size: 20px; }

.caja-cerrada {
    background: #fef2f2;
    color: var(--danger);
}

.caja-abierta {
    background: #ecfdf5;
    color: var(--success);
}

/* CAJA HEADER CARDS */
.caja-header-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-bottom: 24px;
}

.caja-action-card { text-align: center; padding: 32px; }
.caja-action-card .caja-badge { margin-bottom: 20px; }

.caja-info-card .card-body { font-size: 15px; }
.caja-info-card .card-body p { margin-bottom: 10px; }

/* MOVIMIENTOS TOTALS */
.movimientos-totals {
    display: flex;
    gap: 16px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.total-pill {
    padding: 10px 20px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 8px;
}

.total-ingresos { background: #ecfdf5; color: var(--success); }
.total-egresos { background: #fef2f2; color: var(--danger); }
.total-neto { background: #eff6ff; color: var(--primary); }

/* =================== POS / VENDER =================== */
.pos-layout {
    display: grid;
    grid-template-columns: 1fr 420px;
    gap: 24px;
    height: calc(100vh - 64px - 48px);
}

.pos-products {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.pos-search {
    position: relative;
}

.pos-search input {
    width: 100%;
    padding: 14px 16px 14px 44px;
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 15px;
    font-family: inherit;
    background: white;
    transition: all 0.2s;
}

.pos-search input:focus {
    outline: none;
    border-color: var(--primary);
}

.pos-search i {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

.pos-categoria-filter select {
    padding: 10px 14px;
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-family: inherit;
    background: white;
}

.pos-productos-grid {
    flex: 1;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 16px;
    overflow-y: auto;
    padding: 4px;
}

.pos-producto-card {
    background: white;
    border-radius: var(--radius-sm);
    padding: 16px;
    box-shadow: var(--shadow);
    cursor: pointer;
    transition: all 0.2s;
    border: 2px solid transparent;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.pos-producto-card:hover {
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.pos-producto-card .prod-nombre {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-dark);
    line-height: 1.3;
}

.pos-producto-card .prod-precio {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary);
}

.pos-producto-card .prod-stock {
    font-size: 12px;
    color: var(--text-muted);
}

/* CART */
.pos-cart {
    background: white;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.cart-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.cart-header h3 {
    font-size: 16px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 10px;
}

.cart-header h3 i { color: var(--accent); }

.cart-items {
    flex: 1;
    overflow-y: auto;
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.cart-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background: var(--bg);
    border-radius: var(--radius-sm);
}

.cart-item-info {
    flex: 1;
}

.cart-item-info .ci-nombre {
    font-size: 13px;
    font-weight: 600;
}

.cart-item-info .ci-precio {
    font-size: 12px;
    color: var(--text-muted);
}

.cart-item-qty {
    display: flex;
    align-items: center;
    gap: 8px;
}

.qty-btn {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: none;
    background: white;
    color: var(--text-dark);
    font-size: 14px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 1px 4px rgba(0,0,0,0.1);
    transition: all 0.15s;
}

.qty-btn:hover { background: var(--primary); color: white; }

.cart-item-qty span {
    font-size: 15px;
    font-weight: 700;
    min-width: 24px;
    text-align: center;
}

.cart-item-subtotal {
    font-size: 14px;
    font-weight: 700;
    color: var(--text-dark);
    min-width: 70px;
    text-align: right;
}

.cart-item-remove {
    background: none;
    border: none;
    color: var(--danger);
    cursor: pointer;
    font-size: 14px;
    padding: 4px;
}

.cart-footer {
    padding: 16px 20px;
    border-top: 2px solid var(--border);
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.cart-cliente label,
.cart-metodo label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.cart-cliente select {
    width: 100%;
    padding: 10px 12px;
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-family: inherit;
}

.metodo-pago-btns {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
}

.metodo-btn {
    padding: 12px 8px;
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    background: white;
    cursor: pointer;
    font-size: 12px;
    font-weight: 600;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    transition: all 0.2s;
    color: var(--text-muted);
}

.metodo-btn i { font-size: 18px; }

.metodo-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.metodo-btn.active {
    border-color: var(--primary);
    background: rgba(99, 102, 241, 0.08);
    color: var(--primary);
}

.cart-total {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px;
    background: linear-gradient(135deg, var(--primary) 0%, #8b5cf6 100%);
    border-radius: var(--radius-sm);
    color: white;
}

.cart-total span:first-child {
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 1px;
}

.cart-total span:last-child {
    font-size: 24px;
    font-weight: 800;
}

/* =================== PRODUCTOS TABLE =================== */
.view-toolbar {
    display: flex;
    gap: 16px;
    margin-bottom: 20px;
    flex-wrap: wrap;
    align-items: center;
}

.toolbar-search {
    position: relative;
    flex: 1;
    min-width: 200px;
}

.toolbar-search input {
    width: 100%;
    padding: 12px 16px 12px 40px;
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-family: inherit;
    background: white;
    transition: all 0.2s;
}

.toolbar-search input:focus {
    outline: none;
    border-color: var(--primary);
}

.toolbar-search i {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

.toolbar-filter {
    padding: 12px 16px;
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-family: inherit;
    background: white;
    min-width: 180px;
}

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

.data-table th {
    text-align: left;
    padding: 12px 16px;
    font-size: 12px;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 2px solid var(--border);
}

.data-table td {
    padding: 14px 16px;
    font-size: 14px;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}

.data-table tbody tr:hover { background: #f8fafc; }

.data-table .stock-low {
    color: var(--danger);
    font-weight: 700;
    background: #fef2f2;
    padding: 2px 8px;
    border-radius: 4px;
}

.data-table .stock-ok {
    color: var(--success);
    font-weight: 600;
}

.table-actions {
    display: flex;
    gap: 8px;
}

.table-actions button {
    padding: 6px 12px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 12px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 4px;
    transition: all 0.15s;
}

.table-actions .btn-edit {
    background: #eff6ff;
    color: var(--primary);
}
.table-actions .btn-edit:hover { background: var(--primary); color: white; }

.table-actions .btn-delete {
    background: #fef2f2;
    color: var(--danger);
}
.table-actions .btn-delete:hover { background: var(--danger); color: white; }

/* =================== CLIENTES =================== */
.clientes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.cliente-card {
    background: white;
    border-radius: var(--radius);
    padding: 20px;
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.cliente-card .cliente-nombre {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-dark);
}

.cliente-card .cliente-info {
    font-size: 13px;
    color: var(--text-muted);
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.cliente-card .cliente-info i { width: 16px; margin-right: 4px; color: var(--text-muted); }

.cliente-saldo {
    font-size: 20px;
    font-weight: 800;
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.saldo-debe {
    background: #fef2f2;
    color: var(--danger);
}

.saldo-ok {
    background: #ecfdf5;
    color: var(--success);
}

.cliente-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: 4px;
}

.cliente-actions button {
    padding: 8px 14px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 12px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: all 0.15s;
}

.cliente-actions .btn-edit {
    background: #eff6ff;
    color: var(--primary);
}
.cliente-actions .btn-edit:hover { background: var(--primary); color: white; }

.cliente-actions .btn-pago {
    background: #ecfdf5;
    color: var(--success);
}
.cliente-actions .btn-pago:hover { background: var(--success); color: white; }

.cliente-actions .btn-historial {
    background: #fff7ed;
    color: var(--accent);
}
.cliente-actions .btn-historial:hover { background: var(--accent); color: white; }

/* =================== REPORTES =================== */
.period-selector {
    display: flex;
    gap: 8px;
    background: white;
    padding: 6px;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow);
}

.period-btn {
    padding: 10px 20px;
    border: none;
    border-radius: 6px;
    background: transparent;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-muted);
    transition: all 0.2s;
}

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

.period-btn.active {
    background: var(--primary);
    color: white;
    box-shadow: 0 2px 10px rgba(99, 102, 241, 0.3);
}

.reportes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 24px;
}

.reportes-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.metodo-stats {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.metodo-stat {
    display: flex;
    justify-content: space-between;
    padding: 12px 16px;
    background: var(--bg);
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 600;
}

.metodo-stat span:last-child { color: var(--primary); font-weight: 700; }

.top-productos-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.top-productos-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    background: var(--bg);
    border-radius: var(--radius-sm);
    font-size: 14px;
}

.top-productos-list li .rank {
    width: 24px;
    height: 24px;
    background: linear-gradient(135deg, var(--accent) 0%, #d97706 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: 700;
    flex-shrink: 0;
}

.top-productos-list li .prod-info { flex: 1; }
.top-productos-list li .prod-cant { font-weight: 700; color: var(--primary); }
.top-productos-list li .prod-total { font-weight: 700; color: var(--success); }

/* =================== CONFIG =================== */
.config-card { max-width: 700px; }

.config-form { display: flex; flex-direction: column; gap: 20px; }

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group { display: flex; flex-direction: column; gap: 6px; }

.form-group label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 12px 16px;
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-family: inherit;
    transition: all 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
}

/* =================== MODAL =================== */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 200;
    padding: 20px;
    backdrop-filter: blur(4px);
}

.modal {
    background: white;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    animation: modalIn 0.3s ease;
}

@keyframes modalIn {
    from { opacity: 0; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
}

.modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-dark);
}

.modal-close {
    background: none;
    border: none;
    font-size: 20px;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px;
    border-radius: 6px;
    transition: all 0.15s;
}

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

.modal-body { padding: 24px; }

.modal-body .form-group { margin-bottom: 16px; }
.modal-body label { font-size: 13px; font-weight: 600; color: var(--text-muted); margin-bottom: 6px; display: block; }
.modal-body input,
.modal-body select {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-family: inherit;
    transition: all 0.2s;
}
.modal-body input:focus,
.modal-body select:focus {
    outline: none;
    border-color: var(--primary);
}
.modal-body .btn { margin-top: 8px; }

/* Historial modal */
.historial-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    max-height: 400px;
    overflow-y: auto;
}

.historial-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
    background: var(--bg);
    border-radius: var(--radius-sm);
    font-size: 13px;
}

.historial-item .hist-fecha { color: var(--text-muted); min-width: 80px; }
.historial-item .hist-tipo {
    padding: 3px 8px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
}
.historial-item .hist-tipo.credito { background: #fef2f2; color: var(--danger); }
.historial-item .hist-tipo.debito { background: #ecfdf5; color: var(--success); }
.historial-item .hist-desc { flex: 1; color: var(--text-muted); }
.historial-item .hist-monto { font-weight: 700; }
.historial-item .hist-monto.neg { color: var(--danger); }
.historial-item .hist-monto.pos { color: var(--success); }

/* =================== TOAST =================== */
.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    z-index: 300;
}

.toast {
    padding: 14px 20px;
    border-radius: var(--radius-sm);
    color: white;
    font-size: 14px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
    box-shadow: var(--shadow-lg);
    animation: toastIn 0.3s ease, toastOut 0.3s ease 3.7s forwards;
    max-width: 360px;
}

.toast.success { background: linear-gradient(135deg, var(--success) 0%, #059669 100%); }
.toast.error { background: linear-gradient(135deg, var(--danger) 0%, #dc2626 100%); }
.toast.info { background: linear-gradient(135deg, var(--primary) 0%, #8b5cf6 100%); }

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

/* =================== UTILITIES =================== */
.hidden { display: none !important; }
.empty-state {
    text-align: center;
    color: var(--text-muted);
    font-size: 14px;
    padding: 20px;
}

/* =================== RESPONSIVE =================== */
@media (max-width: 1024px) {
    .pos-layout {
        grid-template-columns: 1fr;
        height: auto;
    }
    .pos-cart { max-height: 500px; }
    .reportes-row { grid-template-columns: 1fr; }
    .dashboard-row { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }
    .sidebar.open {
        transform: translateX(0);
    }
    .sidebar-toggle { display: block; }
    .main-content { margin-left: 0; }
    .mobile-menu-btn { display: block; }
    .sidebar-overlay {
        position: fixed;
        inset: 0;
        background: rgba(0,0,0,0.5);
        z-index: 99;
    }
    .top-bar-title h1 { font-size: 18px; }
    .metrics-grid { grid-template-columns: 1fr 1fr; }
    .caja-header-cards { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .clientes-grid { grid-template-columns: 1fr; }
    .view-toolbar { flex-direction: column; }
    .toolbar-search { min-width: 100%; }
}

@media (max-width: 480px) {
    .view-container { padding: 16px; }
    .metrics-grid { grid-template-columns: 1fr; }
    .metric-card { padding: 16px; }
    .metric-value { font-size: 22px; }
    .metodo-pago-btns { grid-template-columns: 1fr; }
    .login-card { padding: 32px 24px; }
    .pos-productos-grid { grid-template-columns: repeat(2, 1fr); }
}

/* Scrollbar styling */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--bg); border-radius: 4px; }
::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #94a3b8; }