/* ==================== VARIABLES ==================== */
:root {
    --primary: #ff6f00;
    --primary-light: #ffa040;
    --primary-dark: #c43e00;
    --secondary: #ffc107;
    --accent: #ffab00;

    --success: #00c853;
    --success-light: #5efc82;
    --danger: #ff1744;
    --danger-light: #ff616f;
    --warning: #ff9100;
    --info: #2979ff;
    --purple: #9c27b0;

    --bg-primary: #f5f7fa;
    --bg-secondary: #ffffff;
    --bg-dark: #1a1a2e;

    --text-primary: #1a1a2e;
    --text-secondary: #64748b;
    --text-light: #94a3b8;

    --border: #e2e8f0;

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
    --shadow: 0 4px 20px rgba(0,0,0,0.08);
    --shadow-lg: 0 10px 40px rgba(0,0,0,0.12);

    --transition: all 0.3s ease;
}

/* ==================== RESET ==================== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-family: 'Poppins', sans-serif;
    background: var(--bg-primary);
    scroll-behavior: smooth;
}

body {
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
}

/* ==================== HEADER ==================== */
.main-header {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    padding: 1.25rem 2rem;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-lg);
}

.header-content {
    max-width: 1600px;
    margin: auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.brand {
    display: flex;
    align-items: center;
    gap: 1.25rem;
}

.logo-svg {
    width: 110px;
    height: 110px;
    background: rgba(255,255,255,0.3);
    padding: .5rem;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s ease;
}

.logo-svg:hover {
    transform: scale(1.05);
}

.logo-svg svg {
    width: 100%;
    height: 100%;
}

.brand-text h1 {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 2.2rem;
    letter-spacing: 3px;
}

.tagline {
    font-size: 1rem;
    opacity: .9;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.datetime {
    font-size: .85rem;
    background: rgba(255,255,255,.15);
    padding: .5rem 1rem;
    border-radius: var(--radius-md);
}

.user-email {
    font-size: .8rem;
    background: rgba(255,255,255,.2);
    padding: .4rem .8rem;
    border-radius: var(--radius-md);
}

.user-email:empty {
    display: none;
}

/* ==================== GOOGLE STATUS ==================== */
.google-connection {
    display: flex;
    align-items: center;
    gap: .75rem;
    background: rgba(255,255,255,.1);
    padding: .5rem .75rem;
    border-radius: var(--radius-lg);
}

.connection-status {
    display: flex;
    align-items: center;
    gap: .4rem;
    font-size: .85rem;
}

.status-dot {
    width: 10px;
    height: 10px;
    background: var(--danger);
    border-radius: 50%;
    animation: blink 1.5s infinite;
}

.status-dot.connected {
    background: var(--success);
    animation: none;
    box-shadow: 0 0 8px var(--success);
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

.btn-google {
    display: flex;
    align-items: center;
    gap: .5rem;
    border: none;
    background: #fff;
    color: var(--primary);
    padding: .6rem 1rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: .85rem;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
}

.btn-google:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

.btn-google.connected {
    background: rgba(255,255,255,.2);
    color: #fff;
}

/* ==================== NAV ==================== */
.main-nav {
    display: flex;
    justify-content: center;
    gap: .75rem;
    padding: 1rem;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 130px;
    z-index: 90;
}

.nav-tab {
    display: flex;
    align-items: center;
    gap: .5rem;
    padding: .8rem 2rem;
    border-radius: 50px;
    border: 2px solid var(--border);
    background: transparent;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
    color: var(--text-secondary);
}

.nav-tab:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.nav-tab.active {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: #fff;
    border-color: var(--primary);
    box-shadow: 0 4px 15px rgba(255,111,0,0.4);
}

.nav-icon {
    font-size: 1.2rem;
}

/* ==================== MAIN ==================== */
.main-container {
    max-width: 1600px;
    margin: auto;
    padding: 1.5rem;
}

.pos-section,
.stats-section {
    display: none;
    animation: fadeIn 0.3s ease;
}

.pos-section.active,
.stats-section.active {
    display: block;
}

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

/* ==================== POS LAYOUT ==================== */
.pos-layout {
    display: grid;
    grid-template-columns: 1fr 420px;
    gap: 1.5rem;
    align-items: start;
}

/* ==================== PRODUCTS ==================== */
.products-panel {
    background: var(--bg-secondary);
    border-radius: var(--radius-xl);
    padding: 1.5rem;
    box-shadow: var(--shadow);
}

.category-nav {
    display: flex;
    gap: .5rem;
    overflow-x: auto;
    margin-bottom: 1rem;
    padding-bottom: .5rem;
}

.category-nav::-webkit-scrollbar {
    height: 4px;
}

.category-nav::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 4px;
}

.category-btn {
    display: flex;
    align-items: center;
    gap: .5rem;
    padding: .7rem 1.5rem;
    border-radius: 50px;
    background: var(--bg-primary);
    font-weight: 600;
    cursor: pointer;
    border: 2px solid transparent;
    transition: var(--transition);
    white-space: nowrap;
    font-family: inherit;
}

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

.category-btn.active {
    background: var(--secondary);
    border-color: var(--accent);
    box-shadow: 0 4px 15px rgba(255,193,7,0.3);
}

.category-icon {
    font-size: 1.3rem;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 1rem;
}

.product-card {
    border: 2px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.2rem;
    cursor: pointer;
    transition: var(--transition);
    background: linear-gradient(145deg, #fff, #fafafa);
}

.product-card:hover {
    border-color: var(--primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.product-card:active {
    transform: translateY(-2px) scale(0.98);
}

.product-name {
    font-weight: 600;
    margin-bottom: .5rem;
    font-size: .95rem;
    min-height: 2.5em;
    line-height: 1.3;
}

.product-price {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 1.5rem;
    color: var(--primary);
    letter-spacing: 1px;
}

/* ==================== CART ==================== */
.cart-panel {
    background: var(--bg-secondary);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    position: sticky;
    top: 200px;
    max-height: calc(100vh - 220px);
}

.cart-header {
    background: var(--bg-dark);
    color: #fff;
    padding: 1rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.cart-header h2 {
    display: flex;
    align-items: center;
    gap: .5rem;
    font-size: 1.1rem;
}

.order-number {
    background: var(--primary);
    padding: .3rem .8rem;
    border-radius: 50px;
    font-size: .9rem;
    font-weight: 700;
}

.cart-items {
    flex: 1;
    padding: 1rem;
    overflow-y: auto;
    min-height: 150px;
    max-height: 300px;
}

.cart-items::-webkit-scrollbar {
    width: 5px;
}

.cart-items::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 5px;
}

.empty-cart {
    text-align: center;
    color: var(--text-light);
    padding: 2rem;
}

.empty-icon {
    font-size: 3rem;
    opacity: 0.4;
    margin-bottom: .5rem;
}

.cart-item {
    display: flex;
    align-items: center;
    gap: .75rem;
    padding: .75rem;
    background: var(--bg-primary);
    border-radius: var(--radius-md);
    margin-bottom: .5rem;
    animation: slideIn 0.2s ease;
}

@keyframes slideIn {
    from { opacity: 0; transform: translateX(20px); }
    to { opacity: 1; transform: translateX(0); }
}

.cart-item-info {
    flex: 1;
    min-width: 0;
}

.cart-item-name {
    font-weight: 600;
    font-size: .9rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.cart-item-side {
    font-size: .75rem;
    color: var(--text-secondary);
    font-style: italic;
}

.cart-item-price {
    font-size: .8rem;
    color: var(--primary);
    font-weight: 600;
}

.cart-item-controls {
    display: flex;
    align-items: center;
    gap: .3rem;
}

.qty-btn {
    width: 28px;
    height: 28px;
    border: none;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
}

.qty-btn:hover {
    background: var(--primary-dark);
    transform: scale(1.1);
}

.qty-display {
    font-weight: 700;
    min-width: 24px;
    text-align: center;
}

.btn-remove {
    width: 26px;
    height: 26px;
    border: none;
    background: var(--danger-light);
    color: white;
    border-radius: 50%;
    font-size: .8rem;
    cursor: pointer;
    margin-left: .25rem;
}

.btn-remove:hover {
    background: var(--danger);
}

.cart-summary {
    padding: 1rem 1.5rem;
    background: var(--bg-primary);
    border-top: 1px solid var(--border);
}

.summary-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: .5rem;
}

.summary-row.subtotal {
    color: var(--text-secondary);
}

.summary-row.total {
    font-size: 1.4rem;
    font-weight: bold;
    color: var(--primary);
    border-top: 2px dashed var(--border);
    padding-top: .75rem;
    margin-top: .5rem;
}

.cart-actions {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: .75rem;
    padding: 1rem;
    border-top: 1px solid var(--border);
}

.btn-action {
    padding: 1rem;
    border-radius: var(--radius-md);
    border: none;
    font-weight: bold;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
    font-size: .95rem;
}

.btn-clear {
    background: transparent;
    color: var(--danger);
    border: 2px solid var(--danger);
}

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

.btn-pay {
    background: linear-gradient(135deg, var(--success), var(--success-light));
    color: #fff;
    box-shadow: 0 4px 15px rgba(0,200,83,0.4);
}

.btn-pay:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0,200,83,0.5);
}

.btn-pay:disabled {
    background: var(--text-light);
    box-shadow: none;
    cursor: not-allowed;
}

/* ==================== PANEL DE RESUMEN DEL TURNO ==================== */
.stats-summary-panel {
    background: var(--bg-secondary);
    border-radius: var(--radius-xl);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow);
    border: 2px solid var(--border);
}

.summary-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 2px dashed var(--border);
}

.summary-title {
    display: flex;
    align-items: center;
    gap: .75rem;
}

.summary-icon {
    font-size: 1.5rem;
}

.summary-title h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.shift-time {
    display: flex;
    align-items: center;
    gap: .5rem;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    padding: .5rem 1rem;
    border-radius: 50px;
    color: white;
    font-size: .85rem;
}

.shift-label {
    opacity: .9;
}

.shift-value {
    font-weight: 700;
}

.last-sale-info {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    border-radius: var(--radius-lg);
    padding: 1rem;
    margin-bottom: 1rem;
    border: 1px solid var(--border);
}

.last-sale-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: .75rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.last-sale-number {
    background: var(--primary);
    color: white;
    padding: .25rem .75rem;
    border-radius: 50px;
    font-size: .85rem;
    font-weight: 700;
}

.last-sale-details {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.last-sale-item {
    display: flex;
    flex-direction: column;
    gap: .25rem;
}

.last-sale-item .label {
    font-size: .75rem;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: .5px;
}

.last-sale-item .value {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
}

.quick-actions-bar {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: .75rem;
}

.quick-action-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: .5rem;
    padding: 1rem;
    background: var(--bg-primary);
    border: 2px solid var(--border);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
}

.quick-action-btn:hover {
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.quick-action-btn.danger:hover {
    border-color: var(--danger);
    background: rgba(255, 23, 68, 0.05);
}

.quick-action-btn .action-icon {
    font-size: 1.5rem;
}

.quick-action-btn .action-text {
    font-size: .8rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.quick-action-btn.danger .action-text {
    color: var(--danger);
}

/* ==================== KPIs ==================== */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.kpi-card {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden;
    transition: var(--transition);
}

.kpi-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.kpi-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 5px;
}

.kpi-card.orange::before { background: var(--primary); }
.kpi-card.blue::before { background: var(--info); }
.kpi-card.green::before { background: var(--success); }
.kpi-card.purple::before { background: var(--purple); }

.kpi-icon {
    font-size: 2.2rem;
}

.kpi-data {
    display: flex;
    flex-direction: column;
}

.kpi-value {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 1.8rem;
    line-height: 1.1;
}

.kpi-label {
    font-size: .8rem;
    color: var(--text-secondary);
}

/* ==================== SYNC ACTIONS ==================== */
.sync-actions {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.btn-sync {
    display: flex;
    align-items: center;
    gap: .5rem;
    padding: .75rem 1.25rem;
    background: var(--bg-secondary);
    border: 2px solid var(--border);
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
}

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

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

.btn-sync.primary:hover {
    background: #00a039;
}

.btn-sync.setup {
    border-color: var(--purple);
    color: var(--purple);
}

.btn-sync.setup:hover {
    background: var(--purple);
    color: white;
}

/* ==================== CHARTS ==================== */
.charts-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.chart-card {
    background: var(--bg-secondary);
    border-radius: var(--radius-xl);
    padding: 1.5rem;
    box-shadow: var(--shadow);
}

.chart-card h3 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
}

.chart-wrapper {
    position: relative;
    height: 280px;
}

/* ==================== DATA TABLES ==================== */
.data-card {
    background: var(--bg-secondary);
    border-radius: var(--radius-xl);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow);
}

.data-card h3 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
}

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

.data-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 500px;
}

.data-table th,
.data-table td {
    padding: .85rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.data-table th {
    background: var(--bg-primary);
    font-weight: 600;
    font-size: .8rem;
    text-transform: uppercase;
    color: var(--text-secondary);
}

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

.rank-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    font-weight: 700;
    font-size: .85rem;
}

.rank-1 { background: linear-gradient(135deg, #ffd700, #ffb300); color: #5d4e00; }
.rank-2 { background: linear-gradient(135deg, #e0e0e0, #bdbdbd); color: #424242; }
.rank-3 { background: linear-gradient(135deg, #cd7f32, #a0522d); color: white; }
.rank-default { background: var(--bg-primary); color: var(--text-secondary); }

.no-data {
    text-align: center;
    padding: 2rem;
    color: var(--text-light);
}

/* ==================== MODALS ==================== */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.75);
    backdrop-filter: blur(4px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 1rem;
}

.modal-overlay.active {
    display: flex;
}

.modal-container {
    background: #fff;
    border-radius: var(--radius-xl);
    width: 100%;
    max-width: 460px;
    box-shadow: var(--shadow-lg);
    animation: modalIn 0.3s ease;
    max-height: 90vh;
    overflow-y: auto;
}

@keyframes modalIn {
    from { opacity: 0; transform: translateY(20px) scale(0.95); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.modal-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h2 {
    font-size: 1.2rem;
}

.modal-close {
    width: 36px;
    height: 36px;
    border: none;
    background: var(--bg-primary);
    font-size: 1.5rem;
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.modal-subtitle {
    padding: 1rem 1.5rem 0;
    color: var(--text-secondary);
    font-weight: 500;
}

.side-options {
    padding: 1rem 1.5rem 1.5rem;
    display: grid;
    gap: .75rem;
}

.side-option {
    padding: 1rem 1.5rem;
    background: var(--bg-primary);
    border: 2px solid var(--border);
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}

.side-option:hover {
    border-color: var(--secondary);
    background: var(--secondary);
    transform: translateY(-2px);
}

/* ==================== PAYMENT MODAL ==================== */
.payment-modal {
    text-align: center;
}

.payment-total {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    padding: 1.75rem 1.5rem;
}

.payment-total .label {
    display: block;
    font-size: .9rem;
    opacity: .9;
    margin-bottom: .25rem;
}

.payment-total .amount {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 3rem;
    letter-spacing: 2px;
}

.payment-input-section {
    padding: 1.5rem;
}

.payment-input-section label {
    display: block;
    font-weight: 600;
    margin-bottom: .5rem;
    color: var(--text-secondary);
}

.payment-input {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--border);
    border-radius: var(--radius-md);
    font-size: 1.6rem;
    font-family: 'Bebas Neue', sans-serif;
    text-align: center;
    letter-spacing: 2px;
    transition: var(--transition);
}

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

.quick-amounts {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: .5rem;
    margin-top: 1rem;
}

.quick-amounts button {
    padding: .6rem;
    background: var(--bg-primary);
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
}

.quick-amounts button:hover {
    background: var(--secondary);
    border-color: var(--secondary);
}

.change-display {
    background: var(--success);
    color: white;
    padding: 1.25rem;
    margin: 0 1.5rem;
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.change-display.insufficient {
    background: var(--danger);
}

.change-display .label {
    display: block;
    font-size: .85rem;
    opacity: .9;
}

.change-display .amount {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 2.2rem;
    letter-spacing: 2px;
}

.modal-actions {
    display: flex;
    gap: .75rem;
    padding: 1.5rem;
}

.btn-modal {
    flex: 1;
    padding: 1rem;
    border: none;
    border-radius: var(--radius-md);
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
}

.btn-modal.secondary {
    background: var(--bg-primary);
    color: var(--text-secondary);
}

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

.btn-modal.primary {
    background: linear-gradient(135deg, var(--success), var(--success-light));
    color: white;
}

.btn-modal.primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0,200,83,0.4);
}

.btn-modal.primary:disabled {
    background: var(--text-light);
    cursor: not-allowed;
}

/* ==================== SUCCESS MODAL ==================== */
.success-modal {
    text-align: center;
    padding: 2rem;
}

.success-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    animation: bounceIn 0.5s ease;
}

@keyframes bounceIn {
    0% { transform: scale(0); }
    50% { transform: scale(1.2); }
    100% { transform: scale(1); }
}

.success-modal h2 {
    color: var(--success);
    margin-bottom: 1rem;
}

.success-details {
    background: var(--bg-primary);
    border-radius: var(--radius-md);
    padding: 1rem;
    margin-bottom: 1rem;
}

.detail-row {
    display: flex;
    justify-content: space-between;
    padding: .5rem 0;
    color: var(--text-secondary);
}

.detail-row.highlight {
    color: var(--success);
    font-size: 1.1rem;
    border-top: 1px dashed var(--border);
    margin-top: .5rem;
    padding-top: .75rem;
}

.sync-status {
    font-size: .9rem;
    padding: .5rem;
    background: var(--bg-primary);
    border-radius: var(--radius-sm);
    margin-bottom: 1rem;
}

/* ==================== TICKET ==================== */
/* ══════════════════════════════════════════════════════════════════════════════
   TICKET DE IMPRESIÓN
   ══════════════════════════════════════════════════════════════════════════════
   Estilos para el recibo que se imprime:
   - Letra más grande y en negrita para mejor legibilidad
   - Palabras importantes en cursiva para diferenciación
   - Ancho estándar de 80mm para impresoras térmicas
   ══════════════════════════════════════════════════════════════════════════════ */

.ticket {
    display: none;
    width: 80mm;
    padding: 6mm;
    font-family: 'Arial', 'Helvetica', sans-serif; /* Fuente más legible */
    font-size: 16px; /* Tamaño base más grande */
    font-weight: bold; /* Todo en negrita */
    line-height: 1.6;
    color: #000;
    background: white;
}

/* Encabezado del ticket */
.ticket-header {
    text-align: center;
    margin-bottom: 10px;
}

/* Logo/Emoji del negocio */
.ticket-logo {
    font-size: 38px; /* Logo más grande */
    margin-bottom: 6px;
}

/* Nombre del negocio */
.ticket-title {
    font-size: 24px; /* Título más grande */
    font-weight: 900; /* Extra negrita */
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Subtítulo (dirección, teléfono) */
.ticket-subtitle {
    font-size: 14px;
    font-style: italic; /* Cursiva para diferenciación */
    font-weight: normal;
    margin-top: 4px;
}

/* Línea divisoria */
.ticket-divider {
    text-align: center;
    margin: 10px 0;
    font-weight: bold;
    letter-spacing: 2px;
}

/* Información del pedido (fecha, hora, número) */
.ticket-info {
    margin: 12px 0;
    font-size: 15px;
    font-weight: bold;
}

.ticket-info span {
    font-style: italic; /* Cursiva para etiquetas */
}

/* Número de pedido destacado */
.ticket-number {
    font-size: 20px;
    font-weight: 900;
    text-align: center;
    margin: 10px 0;
    padding: 6px;
    border: 2px solid #000;
}

/* Cada item del pedido */
.ticket-item {
    margin: 10px 0;
    padding: 6px 0;
    border-bottom: 1px dashed #ccc;
}

/* Fila del item (nombre y precio) */
.ticket-item-row {
    display: flex;
    justify-content: space-between;
    font-size: 16px;
    font-weight: bold;
}

/* Acompañamiento del item */
.ticket-item-side {
    font-size: 14px;
    font-style: italic; /* Cursiva para acompañamientos */
    font-weight: normal;
    padding-left: 14px;
    color: #333;
}

/* Total de la venta */
.ticket-total {
    font-size: 22px; /* Total más grande */
    font-weight: 900; /* Extra negrita */
    text-align: right;
    margin-top: 12px;
    padding-top: 10px;
    border-top: 2px solid #000;
}

/* Información de pago */
.ticket-payment {
    font-size: 15px;
    font-weight: bold;
    text-align: right;
    margin-top: 6px;
}

.ticket-payment span:first-child {
    font-style: italic; /* Etiquetas en cursiva */
}

/* Pie del ticket */
.ticket-footer {
    text-align: center;
    margin-top: 14px;
    font-size: 13px;
    font-style: italic; /* Mensaje final en cursiva */
    font-weight: normal;
    padding-top: 10px;
    border-top: 1px dashed #000;
}

/* ==================== TOAST - NOTIFICACIONES ==================== */
/* 
 * Toast: Notificación emergente que aparece al centro de la pantalla
 * - Transparencia del 40% (opacity 0.6 en el fondo)
 * - Transición suave de aparición y desaparición
 * - Se centra horizontal y verticalmente
 */
.toast {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.8);
    display: none;
    align-items: center;
    gap: .75rem;
    padding: 1.25rem 2rem;
    background: rgba(0, 200, 83, 0.6); /* Verde con 40% transparencia */
    backdrop-filter: blur(10px); /* Efecto de desenfoque del fondo */
    -webkit-backdrop-filter: blur(10px);
    color: white;
    border-radius: var(--radius-lg);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    font-weight: 700;
    font-size: 1.1rem;
    z-index: 2000;
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    max-width: 400px;
    text-align: center;
}

/* Estado visible del toast con animación suave */
.toast.show {
    display: flex;
    opacity: 0.85;
    transform: translate(-50%, 40%) scale(1.20);
}

/* Toast de error - Rojo con 40% transparencia */
.toast.error {
    background: rgba(255, 23, 68, 0.6);
}

/* Toast de advertencia - Naranja con 40% transparencia */
.toast.warning {
    background: rgba(255, 145, 0, 0.6);
}

.toast-icon {
    font-size: 1.5rem;
}

/* ==================== LOADING ==================== */
.loading-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(255,255,255,0.95);
    z-index: 3000;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 1rem;
}

.loading-overlay.active {
    display: flex;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.loading-text {
    font-weight: 600;
    color: var(--text-secondary);
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 1024px) {
    .pos-layout {
        grid-template-columns: 1fr;
    }

    .cart-panel {
        position: relative;
        top: 0;
        max-height: none;
    }

    .charts-grid {
        grid-template-columns: 1fr;
    }

    .kpi-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .logo-svg {
        width: 85px;
        height: 85px;
    }

    .brand-text h1 {
        font-size: 1.9rem;
    }

    .main-nav {
        top: 115px;
    }
}

@media (max-width: 768px) {
    .main-header {
        padding: 1rem;
    }

    .header-content {
        flex-direction: column;
        text-align: center;
    }

    .brand {
        justify-content: center;
        gap: 1rem;
    }

    .logo-svg {
        width: 65px;
        height: 65px;
    }

    .brand-text h1 {
        font-size: 1.5rem;
    }

    .tagline {
        font-size: .8rem;
    }

    .header-actions {
        flex-wrap: wrap;
        justify-content: center;
    }

    .datetime {
        display: none;
    }

    .main-nav {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        top: auto;
        z-index: 100;
        border-top: 1px solid var(--border);
        border-bottom: none;
    }

    .nav-tab {
        flex: 1;
        flex-direction: column;
        gap: .25rem;
        padding: .75rem 1rem;
    }

    .nav-text {
        font-size: .75rem;
    }

    .main-container {
        padding: 1rem;
        padding-bottom: 5rem;
    }

    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .category-text {
        display: none;
    }

    .kpi-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .kpi-card {
        flex-direction: column;
        text-align: center;
        gap: .5rem;
        padding: 1rem;
    }

    .kpi-icon {
        font-size: 1.8rem;
    }

    .kpi-value {
        font-size: 1.5rem;
    }

    .sync-actions {
        flex-direction: column;
    }

    .btn-sync {
        width: 100%;
        justify-content: center;
    }

    /* Panel de resumen responsive */
    .summary-header {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .last-sale-details {
        grid-template-columns: 1fr;
        gap: .75rem;
    }

    .last-sale-item {
        flex-direction: row;
        justify-content: space-between;
        padding: .5rem;
        background: white;
        border-radius: var(--radius-sm);
    }

    .quick-actions-bar {
        grid-template-columns: 1fr;
        gap: .5rem;
    }

    .quick-action-btn {
        flex-direction: row;
        padding: .75rem 1rem;
    }

    .quick-amounts {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Toast centrado también en móviles */
    .toast {
        left: 50%;
        left: auto;
        top: 50%;
        bottom: auto;
        transform: translate(-50%, -50%) scale(0.8);
        width: 90%;
        max-width: 350px;
    }
    
    .toast.show {
        transform: translate(-50%, -50%) scale(1);
    }
}

/* ══════════════════════════════════════════════════════════════════════════════
   ESTILOS PARA IMPRESIÓN DE TICKET
   ══════════════════════════════════════════════════════════════════════════════
   Configuración especial para cuando se imprime el ticket:
   - Oculta todo excepto el ticket
   - Posiciona el ticket al inicio de la página
   ══════════════════════════════════════════════════════════════════════════════ */
@media print {
    /* Ocultar todo el contenido */
    body * {
        visibility: hidden;
    }

    /* Mostrar solo el ticket y su contenido */
    .ticket, .ticket * {
        visibility: visible;
    }

    /* Posicionar el ticket */
    .ticket {
        display: block;
        position: absolute;
        left: 0;
        top: 0;
        width: 80mm;
        font-size: 16px;
        font-weight: bold;
    }
    
    /* Asegurar que el título sea grande */
    .ticket-title {
        font-size: 24px !important;
        font-weight: 900 !important;
    }
    
    /* Total destacado en impresión */
    .ticket-total {
        font-size: 22px !important;
        font-weight: 900 !important;
    }
    
    /* Items legibles */
    .ticket-item-row {
        font-size: 16px !important;
        font-weight: bold !important;
    }
    
    /* Info del ticket más grande */
    .ticket-info {
        font-size: 15px !important;
    }
    
    /* Acompañamientos más legibles */
    .ticket-item-side {
        font-size: 14px !important;
    }
    
    /* Pago más visible */
    .ticket-payment {
        font-size: 15px !important;
    }
}

/* ══════════════════════════════════════════════════════════════════════════════
   ESTADOS VACÍOS Y MENSAJES
   ══════════════════════════════════════════════════════════════════════════════
   Estilos para cuando no hay datos que mostrar
   ══════════════════════════════════════════════════════════════════════════════ */

/* Contenedor de estado vacío para productos */
.empty-products {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    color: var(--text-secondary);
    text-align: center;
    min-height: 300px;
}

.empty-products .empty-icon {
    font-size: 4rem;
    margin-bottom: 15px;
    opacity: 0.6;
}

.empty-products p {
    font-size: 1.1rem;
    margin: 0;
    color: var(--text-light);
}

/* Mensaje de conexión requerida */
.connect-message {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    color: var(--text-secondary);
    font-size: 0.95rem;
    text-align: center;
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    border-radius: var(--radius-md);
    margin: 10px;
    border: 2px dashed var(--border);
}

/* ══════════════════════════════════════════════════════════════════════════════
   ESTILOS PARA TABLAS DE ESTADÍSTICAS
   ══════════════════════════════════════════════════════════════════════════════
   Mejoras visuales para las tablas de productos más vendidos e historial
   ══════════════════════════════════════════════════════════════════════════════ */

/* Celda sin datos */
.no-data {
    text-align: center !important;
    padding: 30px !important;
    color: var(--text-light);
    font-style: italic;
    background: #fafafa;
}

/* Badges de ranking (1°, 2°, 3° lugar) */
.rank-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    font-weight: 800;
    font-size: 0.9rem;
}

/* Primer lugar - Oro */
.rank-badge.rank-1 {
    background: linear-gradient(135deg, #ffd700 0%, #ffb300 100%);
    color: #000;
    box-shadow: 0 3px 10px rgba(255, 193, 7, 0.5);
}

/* Segundo lugar - Plata */
.rank-badge.rank-2 {
    background: linear-gradient(135deg, #e8e8e8 0%, #c0c0c0 100%);
    color: #000;
    box-shadow: 0 3px 10px rgba(158, 158, 158, 0.4);
}

/* Tercer lugar - Bronce */
.rank-badge.rank-3 {
    background: linear-gradient(135deg, #cd7f32 0%, #a0522d 100%);
    color: #fff;
    box-shadow: 0 3px 10px rgba(205, 127, 50, 0.4);
}

/* Demás lugares */
.rank-badge.rank-default {
    background: var(--bg-primary);
    color: var(--text-secondary);
    border: 2px solid var(--border);
}

/* ══════════════════════════════════════════════════════════════════════════════
   CONTENEDOR DE GRÁFICAS
   ══════════════════════════════════════════════════════════════════════════════ */

.chart-wrapper {
    position: relative;
    height: 280px;
    width: 100%;
}

.chart-wrapper canvas {
    max-height: 100%;
}

/* ══════════════════════════════════════════════════════════════════════════════
   ACCESO DENEGADO - Estilos para usuarios no autorizados
   ══════════════════════════════════════════════════════════════════════════════ */

.access-denied {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    text-align: center;
    background: linear-gradient(135deg, #fafafa 0%, #f5f5f5 100%);
    z-index: 50;
    overflow-y: auto;
}

.access-denied::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffcdd2' fill-opacity='0.3'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.5;
    z-index: -1;
}

.access-denied-card {
    background: white;
    border-radius: 24px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1), 0 8px 25px rgba(198, 40, 40, 0.15);
    padding: 2.5rem 2rem;
    max-width: 420px;
    width: 100%;
    animation: slideUp 0.5s ease;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.access-denied .denied-icon {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, #ffebee 0%, #ffcdd2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    margin: 0 auto 1.5rem;
    box-shadow: 0 8px 25px rgba(198, 40, 40, 0.2);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.access-denied h3 {
    font-size: 1.75rem;
    color: #c62828;
    margin-bottom: 0.75rem;
    font-weight: 700;
}

.access-denied .denied-email {
    color: #d32f2f;
    font-size: 1rem;
    margin-bottom: 0.5rem;
    word-break: break-all;
    padding: 0.5rem 1rem;
    background: #ffebee;
    border-radius: 8px;
    display: inline-block;
    max-width: 100%;
}

.access-denied .denied-message {
    color: #666;
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
}

.access-denied .denied-info {
    background: #fafafa;
    padding: 1.25rem;
    border-radius: 12px;
    margin-bottom: 1.5rem;
    border: 1px solid #eee;
}

.access-denied .denied-info p {
    color: #555;
    font-size: 0.9rem;
    margin: 0;
    line-height: 1.5;
}

.access-denied .denied-info strong {
    color: #c62828;
    font-weight: 600;
}

.access-denied .btn-logout {
    background: linear-gradient(135deg, #ff6f00, #e65100);
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    max-width: 280px;
}

.access-denied .btn-logout:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 111, 0, 0.4);
}

.access-denied .btn-logout:active {
    transform: translateY(0);
}

/* Estilo para email no autorizado en el header */
.user-email span[style*="color: #ff6b6b"] {
    background: rgba(255, 107, 107, 0.15);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(255, 107, 107, 0.3);
}

/* Sección de configuración para primer uso */
.setup-first-time {
    background: linear-gradient(135deg, #e8f5e9 0%, #c8e6c9 100%);
    padding: 1.25rem;
    border-radius: 12px;
    margin-bottom: 1.5rem;
    border: 2px solid #81c784;
    text-align: center;
}

.setup-first-time p {
    color: #2e7d32 !important;
    margin-bottom: 1rem;
    font-size: 0.95rem !important;
}

.btn-setup-first {
    background: linear-gradient(135deg, #43a047, #2e7d32);
    color: white;
    border: none;
    padding: 0.875rem 1.5rem;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    width: 100%;
    justify-content: center;
}

.btn-setup-first:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(46, 125, 50, 0.4);
}

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

/* Responsive para access-denied */
@media (max-width: 480px) {
    .access-denied {
        padding: 1rem;
    }
    
    .access-denied-card {
        padding: 2rem 1.5rem;
        border-radius: 20px;
    }
    
    .access-denied .denied-icon {
        width: 80px;
        height: 80px;
        font-size: 2.5rem;
    }
    
    .access-denied h3 {
        font-size: 1.5rem;
    }
    
    .access-denied .denied-email {
        font-size: 0.9rem;
    }
}