/* ====================================================================
   DISEÑO VISUAL PREMIUM PARA PERSONAL - VIVA CAFÉ ADMIN
   ==================================================================== */

:root {
    --bg-dark: #0b0f19;
    --bg-card: rgba(17, 24, 39, 0.7);
    --bg-sidebar: #0f172a;
    --border-color: rgba(255, 255, 255, 0.08);
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --accent: #3b82f6;
    --accent-hover: #2563eb;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    --glass-blur: blur(12px);
    --font-sans: 'Outfit', sans-serif;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: var(--font-sans);
    background-color: var(--bg-dark);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    overflow-x: hidden;
}

/* ====================================================================
   SIDEBAR NAV
   ==================================================================== */
.sidebar {
    width: 260px;
    background-color: var(--bg-sidebar);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    padding: 1.5rem;
    height: 100vh;
    position: fixed;
    z-index: 10;
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 3rem;
}

.logo-icon {
    font-size: 1.75rem;
    color: var(--accent);
    filter: drop-shadow(0 0 8px rgba(59, 130, 246, 0.5));
}

.brand h2 {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.025em;
    background: linear-gradient(135deg, #ffffff 0%, #cbd5e1 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    flex-grow: 1;
}

.nav-links li {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.85rem 1rem;
    border-radius: 12px;
    cursor: pointer;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition);
}

.nav-links li:hover {
    color: var(--text-primary);
    background-color: rgba(255, 255, 255, 0.03);
}

.nav-links li.active {
    color: var(--text-primary);
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.15) 0%, rgba(37, 99, 235, 0.05) 100%);
    border: 1px solid rgba(59, 130, 246, 0.25);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.1);
}

.nav-links li i {
    font-size: 1.2rem;
    width: 24px;
    text-align: center;
}

.nav-links li.disabled-auth {
    opacity: 0.4;
    cursor: not-allowed;
}

.user-profile-panel {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.user-profile-panel .avatar {
    font-size: 2.25rem;
    color: var(--accent);
}

.user-profile-panel .user-info h4 {
    font-size: 0.9rem;
    font-weight: 600;
}

.user-profile-panel .user-info p {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.logout-icon {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.1rem;
    cursor: pointer;
    margin-left: auto;
    transition: var(--transition);
}

.logout-icon:hover {
    color: var(--danger);
}

/* ====================================================================
   MAIN LAYOUT & GLASSMORPHISM CARD
   ==================================================================== */
.main-content {
    margin-left: 260px;
    flex-grow: 1;
    padding: 2rem;
    min-height: 100vh;
}

.view-section {
    display: none;
    animation: fadeIn 0.4s ease-out;
}

.view-section.active-view {
    display: block;
}

.glass {
    background: var(--bg-card);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    box-shadow: var(--glass-shadow);
}

/* ====================================================================
   VISTA: LOGIN
   ==================================================================== */
.login-container {
    max-width: 420px;
    margin: 8vh auto;
    padding: 2.5rem;
    background: var(--bg-card);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    box-shadow: var(--glass-shadow);
}

.login-header {
    text-align: center;
    margin-bottom: 2rem;
}

.login-header h2 {
    font-size: 2rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: 0.5rem;
}

.login-header p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.login-tabs {
    display: flex;
    background: rgba(255, 255, 255, 0.03);
    padding: 4px;
    border-radius: 12px;
    margin-bottom: 1.75rem;
    border: 1px solid var(--border-color);
}

.tab-btn {
    flex: 1;
    background: none;
    border: none;
    color: var(--text-secondary);
    padding: 0.6rem;
    border-radius: 8px;
    font-weight: 600;
    font-family: var(--font-sans);
    cursor: pointer;
    transition: var(--transition);
}

.tab-btn.active {
    background-color: rgba(59, 130, 246, 0.15);
    color: var(--text-primary);
    border: 1px solid rgba(59, 130, 246, 0.2);
}

.tab-content {
    display: none;
}

.tab-content.active-tab {
    display: block;
}

/* PIN Keyboard */
.pin-display {
    background-color: rgba(0, 0, 0, 0.2);
    border-radius: 12px;
    padding: 1.25rem;
    margin-bottom: 1.5rem;
    border: 1px solid var(--border-color);
    display: flex;
    justify-content: center;
}

.pin-dots {
    display: flex;
    gap: 1.5rem;
}

.pin-dots .dot {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    border: 2px solid var(--border-color);
    transition: var(--transition);
}

.pin-dots .dot.filled {
    background-color: var(--accent);
    border-color: var(--accent);
    box-shadow: 0 0 10px rgba(59, 130, 246, 0.6);
}

.pin-keyboard {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
}

.key-btn {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    color: var(--text-primary);
    font-size: 1.4rem;
    font-weight: 600;
    font-family: var(--font-sans);
    padding: 1rem;
    cursor: pointer;
    transition: var(--transition);
}

.key-btn:hover {
    background: rgba(255, 255, 255, 0.05);
    transform: scale(1.03);
}

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

/* Form inputs styling */
.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.input-wrapper i {
    position: absolute;
    left: 1rem;
    color: var(--text-secondary);
}

.input-wrapper input, .form-control {
    width: 100%;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 0.75rem 1rem 0.75rem 2.5rem;
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 0.95rem;
    transition: var(--transition);
}

.form-control {
    padding-left: 1rem;
}

.input-wrapper input:focus, .form-control:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-family: var(--font-sans);
    font-weight: 600;
    padding: 0.75rem 1.5rem;
    border-radius: 10px;
    cursor: pointer;
    border: none;
    transition: var(--transition);
}

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

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

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

.btn-success:hover {
    background-color: #0d9488;
}

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

.btn-block {
    width: 100%;
}

/* ====================================================================
   VISTA: COMANDERA FOH
   ==================================================================== */
.foh-container {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    height: calc(100vh - 4rem);
}

.zones-bar {
    display: flex;
    gap: 0.75rem;
    overflow-x: auto;
    padding-bottom: 0.5rem;
}

.zone-chip {
    padding: 0.6rem 1.25rem;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
}

.zone-chip.active {
    background-color: var(--accent);
    border-color: var(--accent);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.2);
}

.foh-layout {
    display: grid;
    grid-template-columns: 1fr 360px;
    gap: 1.5rem;
    flex-grow: 1;
}

.tables-grid-panel {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1.5rem;
}

.tables-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
    gap: 1rem;
    margin-top: 1.5rem;
}

.table-card {
    aspect-ratio: 1;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    cursor: pointer;
    position: relative;
    transition: var(--transition);
}

.table-card:hover {
    transform: translateY(-4px);
    background: rgba(255, 255, 255, 0.04);
}

.table-card .number {
    font-size: 1.25rem;
    font-weight: 700;
}

.table-card .capacity {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.table-card.selected {
    border-color: var(--accent);
    box-shadow: 0 0 12px rgba(59, 130, 246, 0.2);
}

/* Colores por estado de mesa */
.table-card[data-status="libre"] {
    border-left: 4px solid var(--success);
}
.table-card[data-status="ocupada"] {
    border-left: 4px solid var(--danger);
    background-color: rgba(239, 68, 68, 0.04);
}
.table-card[data-status="por_limpiar"] {
    border-left: 4px solid var(--warning);
}
.table-card[data-status="reservada"] {
    border-left: 4px solid var(--accent);
}

/* Panel Lateral de Comanda */
.order-sidebar {
    display: flex;
    flex-direction: column;
    padding: 1.5rem;
    height: 100%;
}

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

.badge {
    padding: 0.25rem 0.6rem;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 700;
}

.badge-success { background: rgba(16, 185, 129, 0.2); color: var(--success); }
.badge-danger { background: rgba(239, 68, 68, 0.2); color: var(--danger); }
.badge-warning { background: rgba(245, 158, 11, 0.2); color: var(--warning); }

.order-content {
    flex-grow: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.order-items-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    max-height: 200px;
    overflow-y: auto;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1rem;
}

.cart-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.cart-item-name {
    font-weight: 500;
    font-size: 0.9rem;
}

.cart-item-price {
    font-weight: 600;
    font-size: 0.9rem;
    margin-left: auto;
    margin-right: 1rem;
}

.cart-item-remove {
    color: var(--danger);
    cursor: pointer;
}

.menu-accordion {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.menu-category-section {
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.5rem;
}

.category-title {
    font-weight: 600;
    font-size: 0.95rem;
    padding: 0.5rem 0;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
}

.category-products {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-top: 0.5rem;
    padding-left: 0.5rem;
}

.menu-product-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.4rem;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
}

.menu-product-row:hover {
    background-color: rgba(255, 255, 255, 0.03);
}

.menu-product-row span {
    font-size: 0.85rem;
}

.sidebar-footer {
    border-top: 1px solid var(--border-color);
    padding-top: 1rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.order-summary-row {
    display: flex;
    justify-content: space-between;
    font-size: 1.1rem;
    font-weight: 700;
}

/* ====================================================================
   VISTA: KDS (PANTALLA COCINA)
   ==================================================================== */
.kds-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.kds-legend {
    display: flex;
    gap: 1.5rem;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.dot-indicator {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    display: inline-block;
}

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

.blink {
    animation: pulse-danger 1s infinite alternate;
}

@keyframes pulse-danger {
    0% { opacity: 0.6; box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.4); }
    100% { opacity: 1; box-shadow: 0 0 8px 4px rgba(239, 68, 68, 0.4); }
}

.kds-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

.kds-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    transition: var(--transition);
}

.kds-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.75rem;
}

.kds-card-header h3 {
    font-size: 1.15rem;
    font-weight: 700;
}

.kds-time {
    font-size: 0.8rem;
    font-weight: 600;
    padding: 0.25rem 0.5rem;
    border-radius: 6px;
}

.kds-items-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    flex-grow: 1;
}

.kds-item-row {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    font-size: 0.9rem;
    padding: 0.4rem 0;
}

.kds-item-row input[type="checkbox"] {
    width: 18px;
    height: 18px;
    border-radius: 4px;
    cursor: pointer;
}

.kds-item-details {
    display: flex;
    flex-direction: column;
}

.kds-item-note {
    font-size: 0.75rem;
    color: var(--warning);
    font-weight: 500;
}

.kds-card-footer {
    display: flex;
    gap: 0.5rem;
}

/* KDS Card Alert States */
.kds-card.warning-sla {
    border-color: var(--warning);
    box-shadow: 0 4px 15px rgba(245, 158, 11, 0.1);
}

.kds-card.danger-sla {
    border-color: var(--danger);
    box-shadow: 0 4px 15px rgba(239, 68, 68, 0.15);
}

/* ====================================================================
   VISTA: POS / CAJA
   ==================================================================== */
.pos-layout {
    display: grid;
    grid-template-columns: 340px 1fr;
    gap: 1.5rem;
    height: calc(100vh - 4rem);
}

.pos-control-panel {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.shift-info-card {
    background-color: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    font-size: 0.9rem;
}

.pos-billing-panel {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1.5rem;
    overflow-y: auto;
}

.active-bills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 1.25rem;
    margin-top: 1.5rem;
}

.bill-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.bill-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.5rem;
}

.bill-header h4 {
    font-size: 1.1rem;
    font-weight: 700;
}

.bill-total-row {
    display: flex;
    justify-content: space-between;
    font-size: 1.2rem;
    font-weight: 800;
}

/* ====================================================================
   VISTA: ADMIN (CONFIGURACIÓN)
   ==================================================================== */
.admin-layout {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
    gap: 1.5rem;
}

.admin-card {
    padding: 2rem;
}

.admin-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.color-picker {
    height: 48px;
    padding: 4px;
}

/* ====================================================================
   MODAL DE PAGO
   ==================================================================== */
.modal {
    display: none;
    position: fixed;
    z-index: 100;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
}

.modal-content {
    max-width: 500px;
    margin: 15vh auto;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    animation: slideDown 0.3s ease-out;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.75rem;
}

.close-modal-btn {
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-secondary);
    transition: var(--transition);
}

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

.billing-summary {
    text-align: center;
    background-color: rgba(0, 0, 0, 0.2);
    border-radius: 12px;
    padding: 1.5rem;
    border: 1px solid var(--border-color);
}

.billing-summary p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.billing-summary h2 {
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--success);
}

.payment-methods {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
}

.pay-method-btn {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 1rem;
    color: var(--text-secondary);
    font-family: var(--font-sans);
    font-weight: 600;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    transition: var(--transition);
}

.pay-method-btn i {
    font-size: 1.4rem;
}

.pay-method-btn:hover {
    background: rgba(255, 255, 255, 0.04);
    color: var(--text-primary);
}

.pay-method-btn.active {
    background-color: rgba(16, 185, 129, 0.15);
    border-color: var(--success);
    color: var(--success);
    box-shadow: 0 0 10px rgba(16, 185, 129, 0.15);
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
    border-top: 1px solid var(--border-color);
    padding-top: 1rem;
}

/* ====================================================================
   ANIMATIONS & UTILITIES
   ==================================================================== */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}