/**
 * Nile Horizon Café POS System - Main UI Stylesheet
 * Developer: Addisu Ayalew
 */

:root {
    --bg-main: #0f172a;
    --bg-surface: #1e293b;
    --bg-card: #334155;
    --bg-sidebar: #090d16;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --accent: #3b82f6;
    --accent-hover: #2563eb;
    --success: #10b981;
    --success-bg: rgba(16, 185, 129, 0.15);
    --warning: #f59e0b;
    --warning-bg: rgba(245, 158, 11, 0.15);
    --danger: #ef4444;
    --danger-bg: rgba(239, 68, 68, 0.15);
    --purple: #8b5cf6;
    --purple-bg: rgba(139, 92, 246, 0.15);
    --border: #475569;
    --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

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

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

/* Sidebar Layout */
.app-container {
    display: flex;
    width: 100vw;
    height: 100vh;
    overflow: hidden;
}

.sidebar {
    width: 260px;
    background-color: var(--bg-sidebar);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
}

.sidebar-header {
    padding: 20px 16px;
    border-bottom: 1px solid var(--border);
}

.brand-title {
    font-size: 1.15rem;
    font-weight: 800;
    letter-spacing: 0.5px;
    color: #60a5fa;
    display: flex;
    align-items: center;
    gap: 8px;
}

.brand-subtitle {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 4px;
}

.sidebar-nav {
    flex: 1;
    padding: 16px 8px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    overflow-y: auto;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
    color: var(--text-muted);
    text-decoration: none;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 600;
    transition: all 0.2s ease;
}

.nav-item:hover,
.nav-item.active {
    background-color: var(--bg-surface);
    color: var(--text-main);
}

.nav-item.active {
    border-left: 4px solid var(--accent);
    color: #93c5fd;
}

.sidebar-footer {
    padding: 16px;
    border-top: 1px solid var(--border);
    background-color: rgba(0, 0, 0, 0.2);
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.user-badge {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.user-name {
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--text-main);
}

.user-role {
    font-size: 0.75rem;
    color: #38bdf8;
    text-transform: uppercase;
    font-weight: 700;
}

.btn-logout {
    display: block;
    text-align: center;
    padding: 8px;
    background: var(--bg-card);
    color: var(--text-main);
    border-radius: 6px;
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 600;
    border: 1px solid var(--border);
    transition: background 0.2s;
}

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

/* Main Content Area */
.main-wrapper {
    flex: 1;
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow: hidden;
}

/* Top Navigation Bar */
.topbar {
    height: 64px;
    background-color: var(--bg-surface);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    flex-shrink: 0;
}

.topbar-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.view-heading {
    font-size: 1.25rem;
    font-weight: 700;
}

.shift-status-pill {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.pulse-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--success);
    box-shadow: 0 0 8px var(--success);
}
.pulse-dot.warning {
    background-color: var(--warning);
    box-shadow: 0 0 8px var(--warning);
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.live-clock {
    font-size: 0.95rem;
    font-weight: 600;
    color: #cbd5e1;
    font-variant-numeric: tabular-nums;
}

/* Cashier POS Grid View */
.pos-workspace {
    flex: 1;
    display: flex;
    overflow: hidden;
}

.tables-section {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.table-stats-bar {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.stat-chip {
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 700;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 8px;
}

.chip-avail { border-color: var(--success); color: #34d399; }
.chip-occ { border-color: var(--warning); color: #fbbf24; }
.chip-await { border-color: var(--purple); color: #c084fc; }

.tables-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
    gap: 14px;
}

/* Individual Table Card */
.table-card {
    background-color: var(--bg-surface);
    border: 2px solid var(--border);
    border-radius: 12px;
    padding: 14px 10px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    min-height: 120px;
    cursor: pointer;
    position: relative;
    transition: transform 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
    user-select: none;
}

.table-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.3);
}

.table-number {
    font-size: 1.25rem;
    font-weight: 900;
    line-height: 1.2;
}

.table-status-label {
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    padding: 2px 8px;
    border-radius: 12px;
    margin-top: 4px;
}

.table-waiter-tag {
    font-size: 0.75rem;
    font-weight: 600;
    color: #e2e8f0;
    margin-top: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
}

.table-timer-badge {
    font-size: 0.78rem;
    font-weight: 800;
    font-variant-numeric: tabular-nums;
    margin-top: 4px;
    display: flex;
    align-items: center;
    gap: 4px;
}

.table-amount-badge {
    font-size: 0.85rem;
    font-weight: 800;
    margin-top: 4px;
}

/* Table States Styling */
.table-card.available {
    border-color: #059669;
}
.table-card.available .table-number {
    color: #34d399;
}
.table-card.available .table-status-label {
    background: var(--success-bg);
    color: #34d399;
}

.table-card.occupied {
    border-color: #d97706;
    background: linear-gradient(180deg, #1e293b 0%, #292524 100%);
}
.table-card.occupied .table-number {
    color: #fbbf24;
}
.table-card.occupied .table-status-label {
    background: var(--warning-bg);
    color: #fbbf24;
}
.table-card.occupied .table-timer-badge {
    color: #fde68a;
}
.table-card.occupied .table-amount-badge {
    color: #ffffff;
}

.table-card.awaiting_payment {
    border-color: #9333ea;
    background: linear-gradient(180deg, #1e293b 0%, #3b1d54 100%);
}
.table-card.awaiting_payment .table-number {
    color: #c084fc;
}
.table-card.awaiting_payment .table-status-label {
    background: var(--purple-bg);
    color: #c084fc;
}
.table-card.awaiting_payment .table-amount-badge {
    color: #f3e8ff;
    font-weight: 900;
}

/* Order Terminal Sidebar (Slide-out or Split-screen) */
.order-terminal {
    width: 480px;
    background-color: var(--bg-surface);
    border-left: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    height: 100%;
    flex-shrink: 0;
}

.order-terminal-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #111827;
}

.active-table-title {
    font-size: 1.2rem;
    font-weight: 800;
    color: #93c5fd;
}

.active-waiter-info {
    font-size: 0.85rem;
    color: var(--text-muted);
    cursor: pointer;
    text-decoration: underline;
}

.btn-close-terminal {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 4px;
}

/* Menu Category Tabs */
.menu-category-tabs {
    display: flex;
    gap: 8px;
    padding: 10px 14px;
    background: #0f172a;
    border-bottom: 1px solid var(--border);
    overflow-x: auto;
}

.category-tab-btn {
    padding: 8px 14px;
    border-radius: 8px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 0.85rem;
    font-weight: 700;
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.2s;
}

.category-tab-btn:hover,
.category-tab-btn.active {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}

/* Products Grid inside Terminal */
.products-selector-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
    gap: 10px;
    padding: 12px;
    background: #0b1120;
    max-height: 220px;
    overflow-y: auto;
    border-bottom: 1px solid var(--border);
}

.product-btn {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 8px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    cursor: pointer;
    min-height: 60px;
    text-align: left;
    transition: transform 0.1s ease, border-color 0.1s ease;
}

.product-btn:hover {
    border-color: #60a5fa;
    transform: translateY(-1px);
}

.prod-name {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text-main);
    line-height: 1.2;
}

.prod-footer {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-top: 6px;
}

.prod-price {
    font-size: 0.85rem;
    font-weight: 800;
    color: #34d399;
}

.prod-printer-tag {
    font-size: 0.65rem;
    font-weight: 700;
    color: #94a3b8;
    text-transform: uppercase;
}

/* Order Items Cart Table */
.order-cart-items {
    flex: 1;
    overflow-y: auto;
    padding: 12px;
}

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

.cart-table th {
    font-size: 0.75rem;
    text-transform: uppercase;
    color: var(--text-muted);
    padding: 6px 4px;
    border-bottom: 1px solid var(--border);
    text-align: left;
}

.cart-table td {
    padding: 8px 4px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    font-size: 0.85rem;
}

.cart-item-name {
    font-weight: 600;
}

.cart-item-printer {
    font-size: 0.7rem;
    color: #38bdf8;
    font-weight: 700;
}

.qty-control {
    display: flex;
    align-items: center;
    gap: 6px;
}

.btn-qty {
    width: 24px;
    height: 24px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: #fff;
    border-radius: 4px;
    cursor: pointer;
    font-weight: 800;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.btn-void {
    background: transparent;
    border: none;
    color: var(--danger);
    cursor: pointer;
    font-size: 1rem;
    padding: 4px;
}

/* Cart Totals Summary */
.order-totals-summary {
    padding: 12px 16px;
    background: #111827;
    border-top: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.total-line {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.total-line.grand {
    font-size: 1.25rem;
    font-weight: 900;
    color: #fff;
    border-top: 1px solid var(--border);
    padding-top: 6px;
    margin-top: 4px;
}

.total-line.grand .val {
    color: #34d399;
}

/* Order Actions Buttons */
.order-action-buttons {
    padding: 12px 16px;
    background: #090d16;
    border-top: 1px solid var(--border);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.btn-action {
    padding: 12px;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 800;
    cursor: pointer;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: filter 0.15s ease;
}

.btn-action:hover {
    filter: brightness(1.15);
}

.btn-prep-ticket {
    grid-column: span 2;
    background: #ea580c;
    color: #fff;
}

.btn-pay-cash {
    background: #059669;
    color: #fff;
}

.btn-pay-vodafone {
    background: #dc2626;
    color: #fff;
}

.btn-reprint {
    grid-column: span 2;
    background: var(--bg-card);
    color: #cbd5e1;
    border: 1px solid var(--border);
}

/* Modal Dialog Styles */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.75);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    backdrop-filter: blur(4px);
}

.modal-content {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    width: 90%;
    max-width: 520px;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.5);
    overflow: hidden;
}

.modal-content.modal-lg {
    max-width: 780px;
    width: 95%;
}

.clickable-waiter {
    cursor: pointer;
    transition: all 0.15s ease;
}
.clickable-waiter:hover {
    color: #60a5fa !important;
    text-decoration: underline;
}

.kpi-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
    gap: 10px;
    margin-bottom: 16px;
}

.kpi-box {
    background: #0f172a;
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 10px 12px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.kpi-box .kpi-lbl {
    font-size: 0.72rem;
    color: var(--text-muted);
    font-weight: 700;
    text-transform: uppercase;
}

.kpi-box .kpi-val {
    font-size: 1.25rem;
    font-weight: 900;
    color: var(--text-main);
}

.modal-header {
    padding: 16px 20px;
    background: #111827;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-title {
    font-size: 1.15rem;
    font-weight: 800;
}

.modal-body {
    padding: 20px;
    max-height: 75vh;
    overflow-y: auto;
}

.modal-footer {
    padding: 14px 20px;
    background: #111827;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 14px;
}

.form-label {
    font-size: 0.85rem;
    font-weight: 700;
    color: #cbd5e1;
}

.form-control {
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: #fff;
    padding: 10px 12px;
    border-radius: 8px;
    font-size: 0.95rem;
}

.form-control:focus {
    border-color: var(--accent);
    outline: none;
}

.btn-secondary {
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: #fff;
    padding: 8px 16px;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 700;
}

.btn-primary {
    background: var(--accent);
    border: none;
    color: #fff;
    padding: 8px 16px;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 700;
}

/* Fast Tender Buttons for Cash */
.tender-quick-buttons {
    display: flex;
    gap: 8px;
    margin-top: 8px;
}

.btn-tender {
    flex: 1;
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: #60a5fa;
    padding: 8px;
    border-radius: 6px;
    font-weight: 800;
    cursor: pointer;
}

.btn-tender:hover {
    background: var(--accent);
    color: #fff;
}

/* Admin Dashboard Cards & Data Tables */
.admin-content {
    flex: 1;
    overflow-y: auto;
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
}

.metric-card {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 18px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.metric-title {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 700;
    text-transform: uppercase;
}

.metric-val {
    font-size: 1.8rem;
    font-weight: 900;
    color: var(--text-main);
}

.metric-val.money {
    color: #34d399;
}

.metric-sub {
    font-size: 0.78rem;
    color: #94a3b8;
}

.data-panel {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.panel-title {
    font-size: 1.15rem;
    font-weight: 800;
}

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

.data-table th,
.data-table td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--border);
    text-align: left;
    font-size: 0.9rem;
}

.data-table th {
    background: #111827;
    color: var(--text-muted);
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.78rem;
}

.badge {
    padding: 3px 8px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
}

.badge-active { background: var(--success-bg); color: #34d399; }
.badge-inactive { background: var(--danger-bg); color: #f87171; }
.badge-shisha { background: rgba(234, 88, 12, 0.2); color: #fb923c; }
.badge-general { background: rgba(59, 130, 246, 0.2); color: #60a5fa; }