/* ========== ROOT & VARIABLES ========== */
:root {
    --accent: #6366f1;
    --accent-hover: #4f46e5;
    --accent-gradient: linear-gradient(135deg, #6366f1, #8b5cf6);
    --bg-primary: #f3f4f6;
    --bg-card: #ffffff;
    --bg-sidebar: #1a1a2e;
    --text-primary: #1f2937;
    --text-secondary: #4b5563;
    --text-muted: #9ca3af;
    --border: #e5e7eb;
    --border-light: #f3f4f6;
    --shadow: 0 1px 3px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.1);
    --radius: 10px;
    --radius-sm: 6px;
    --radius-lg: 16px;
    --sidebar-width: 240px;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
}

/* ========== RESET ========== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 15px; }
body { font-family: 'Inter', -apple-system, sans-serif; background: var(--bg-primary); color: var(--text-primary); line-height: 1.5; min-height: 100vh; }
a { color: var(--accent); text-decoration: none; }
table { border-collapse: collapse; width: 100%; }

/* ========== UTILITIES ========== */
.hidden { display: none !important; }
.w-full { width: 100%; }
.text-center { text-align: center; }
.text-sm { font-size: 0.82rem; }
.text-muted { color: var(--text-muted); }
.fw-600 { font-weight: 600; }
.mono { font-family: 'JetBrains Mono', monospace; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.py-1 { padding: 0.25rem 0; }
.py-2 { padding: 0.5rem 0; }
.py-3 { padding: 1rem 0; }
.flex { display: flex; }
.items-center { align-items: center; }
.gap-2 { gap: 0.75rem; }

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

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

.sidebar-header {
    padding: 16px 14px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    display: flex;
    align-items: center;
    justify-content: center;
}

.sidebar-logo-img { max-width: 170px; height: auto; }

.sidebar-nav { flex: 1; padding: 14px 10px; overflow-y: auto; }
.nav-section { margin-bottom: 6px; }
.nav-section-title { font-size: 0.62rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.8px; color: rgba(255,255,255,0.3); padding: 8px 12px 4px; }

.nav-item {
    display: flex; align-items: center; gap: 10px;
    width: 100%; padding: 9px 12px;
    background: transparent; border: none; color: rgba(255,255,255,0.6);
    cursor: pointer; border-radius: var(--radius-sm);
    font-size: 0.85rem; transition: all 0.15s; text-align: left;
}
.nav-item:hover { background: rgba(255,255,255,0.06); color: #fff; }
.nav-item.active { background: rgba(99,102,241,0.2); color: #fff; font-weight: 600; }
.nav-icon { width: 18px; text-align: center; font-size: 0.85rem; }

.sidebar-footer {
    padding: 14px;
    border-top: 1px solid rgba(255,255,255,0.08);
    display: flex; align-items: center; gap: 10px;
}
.user-info { flex: 1; display: flex; align-items: center; gap: 8px; min-width: 0; }
.user-avatar {
    width: 32px; height: 32px; border-radius: var(--radius-sm);
    background: var(--accent-gradient);
    display: flex; align-items: center; justify-content: center;
    font-size: 0.7rem; font-weight: 700; color: #fff; flex-shrink: 0;
}
.user-name { font-size: 0.78rem; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.user-role { font-size: 0.65rem; color: rgba(255,255,255,0.4); text-transform: uppercase; }
.logout-btn { background: rgba(255,255,255,0.06); border: none; color: rgba(255,255,255,0.4); width: 32px; height: 32px; border-radius: var(--radius-sm); cursor: pointer; display: flex; align-items: center; justify-content: center; }
.logout-btn:hover { background: rgba(239,68,68,0.2); color: #ef4444; }

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

.page-header {
    display: flex; align-items: center; gap: 12px;
    padding: 14px 24px;
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
    position: sticky; top: 0; z-index: 50;
}
.page-header h1 { font-size: 1.15rem; font-weight: 700; flex: 1; }
.mobile-toggle { display: none; background: none; border: 1px solid var(--border); width: 36px; height: 36px; border-radius: var(--radius-sm); cursor: pointer; align-items: center; justify-content: center; }

.page-body { flex: 1; padding: 20px 24px; }

/* ========== POS LAYOUT ========== */
.pos-layout {
    display: grid;
    grid-template-columns: 200px 1fr 320px;
    gap: 16px;
    height: calc(100vh - 90px);
}

.pos-rooms, .pos-products, .pos-cart {
    background: var(--bg-card);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.pos-section-title {
    padding: 12px 14px;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}

.pos-rooms .form-control { margin: 8px 10px; width: calc(100% - 20px); }

/* Room list */
.room-list { flex: 1; overflow-y: auto; padding: 4px 8px; }

.room-filter-bar { display: flex; gap: 4px; padding: 8px 10px 0; }
.room-filter {
    flex: 1; padding: 5px 8px;
    border: 1px solid var(--border);
    background: transparent;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--text-muted);
    transition: all 0.12s;
}
.room-filter.active { background: var(--accent); color: #fff; border-color: var(--accent); }
.room-filter:hover:not(.active) { border-color: var(--accent); color: var(--accent); }

.room-item {
    padding: 8px 10px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.12s;
    border: 1px solid transparent;
    margin-bottom: 3px;
}
.room-item:hover { background: var(--border-light); }
.room-item.selected { background: rgba(99,102,241,0.08); border-color: var(--accent); }
.room-item.vacant { opacity: 0.6; }
.room-item-header { display: flex; align-items: center; justify-content: space-between; }
.room-item-number { font-weight: 700; font-size: 1rem; font-family: 'JetBrains Mono', monospace; }
.room-item-guest { font-size: 0.72rem; color: var(--text-muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.room-occ-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.room-occ-dot.occ { background: var(--success); }
.room-occ-dot.vac { background: var(--border); }

/* Cards */
.card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px 18px; }
.card h3 { font-size: 0.95rem; font-weight: 700; margin-bottom: 10px; }

/* Category tabs */
.category-tabs {
    display: flex; gap: 6px; padding: 10px 12px;
    border-bottom: 1px solid var(--border);
    overflow-x: auto; flex-shrink: 0;
}
.cat-tab {
    padding: 6px 14px;
    border-radius: 20px;
    border: 1px solid var(--border);
    background: transparent;
    cursor: pointer;
    font-size: 0.78rem;
    font-weight: 500;
    white-space: nowrap;
    transition: all 0.15s;
    color: var(--text-secondary);
    display: flex; align-items: center; gap: 5px;
}
.cat-tab:hover { border-color: var(--cat-color, var(--accent)); color: var(--cat-color, var(--accent)); }
.cat-tab.active { background: var(--cat-color, var(--accent)); color: #fff; border-color: var(--cat-color, var(--accent)); }

/* Product grid */
.product-grid {
    flex: 1; overflow-y: auto;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 10px;
    padding: 12px;
    align-content: start;
}

.product-card {
    padding: 14px 12px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    cursor: pointer;
    transition: all 0.15s;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.product-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: var(--prod-color);
}
.product-card:hover { border-color: var(--prod-color); box-shadow: var(--shadow-md); transform: translateY(-1px); }
.product-card:active { transform: scale(0.97); }
.product-name { font-weight: 600; font-size: 0.85rem; margin-bottom: 4px; }
.product-price { font-weight: 700; font-size: 1rem; color: var(--prod-color); font-family: 'JetBrains Mono', monospace; }
.product-cat { font-size: 0.68rem; color: var(--text-muted); margin-top: 4px; }

/* Cart */
.pos-cart { display: flex; flex-direction: column; }

.cart-room-info {
    padding: 10px 14px;
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}
.cart-room { display: flex; align-items: center; gap: 8px; }
.cart-room strong { font-size: 1.1rem; color: var(--accent); }
.cart-room span { font-size: 0.78rem; color: var(--text-secondary); }

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

.cart-item {
    display: grid;
    grid-template-columns: 1fr auto auto;
    gap: 8px;
    align-items: center;
    padding: 8px 0;
    border-bottom: 1px solid var(--border-light);
}
.cart-item-name { font-size: 0.82rem; font-weight: 500; }
.cart-item-price { font-size: 0.7rem; color: var(--text-muted); }
.cart-item-actions { display: flex; align-items: center; gap: 4px; }
.qty-btn {
    width: 26px; height: 26px;
    border: 1px solid var(--border);
    background: var(--bg-card);
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    font-size: 0.8rem; font-weight: 600;
    transition: all 0.12s;
}
.qty-btn:hover { border-color: var(--accent); color: var(--accent); }
.qty-btn.remove:hover { border-color: var(--danger); color: var(--danger); }
.qty-val { font-weight: 700; font-size: 0.85rem; min-width: 20px; text-align: center; }
.cart-item-total { font-weight: 600; font-size: 0.85rem; text-align: right; font-family: 'JetBrains Mono', monospace; }

.cart-totals { padding: 10px 14px; border-top: 1px solid var(--border); flex-shrink: 0; }
.cart-total-line { display: flex; justify-content: space-between; font-size: 0.82rem; padding: 2px 0; }
.cart-total-line.grand { font-weight: 800; font-size: 1.1rem; padding-top: 6px; border-top: 2px solid var(--text-primary); margin-top: 4px; }

.pos-cart .form-group { padding: 0 12px; flex-shrink: 0; }
.pos-cart .btn-lg { margin: 10px 12px; width: calc(100% - 24px); flex-shrink: 0; }

/* ========== BUTTONS ========== */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 6px;
    padding: 9px 18px; border: 1px solid transparent; border-radius: var(--radius-sm);
    font-size: 0.85rem; font-weight: 600; cursor: pointer; transition: all 0.15s; white-space: nowrap;
}
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-primary { background: var(--accent-gradient); color: #fff; border: none; }
.btn-primary:hover:not(:disabled) { opacity: 0.9; box-shadow: var(--shadow-md); }
.btn-secondary { background: var(--bg-card); color: var(--text-secondary); border-color: var(--border); }
.btn-secondary:hover { border-color: var(--accent); color: var(--accent); }
.btn-danger { background: var(--danger); color: #fff; border: none; }
.btn-danger:hover { opacity: 0.9; }
.btn-sm { padding: 5px 10px; font-size: 0.78rem; }
.btn-lg { padding: 12px 20px; font-size: 0.95rem; }

/* ========== FORMS ========== */
.form-group { margin-bottom: 12px; }
.form-group label { display: block; font-size: 0.78rem; font-weight: 600; color: var(--text-secondary); margin-bottom: 4px; }
.form-control {
    width: 100%; padding: 8px 12px;
    border: 1px solid var(--border); border-radius: var(--radius-sm);
    font-size: 0.88rem; font-family: inherit;
    background: var(--bg-card); color: var(--text-primary);
    transition: border-color 0.15s;
}
.form-control:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(99,102,241,0.1); }
select.form-control { cursor: pointer; }
textarea.form-control { resize: vertical; min-height: 40px; }

/* ========== DATA TABLES ========== */
.data-table { width: 100%; border-collapse: collapse; font-size: 0.82rem; }
.data-table th {
    padding: 10px 12px;
    text-align: left;
    font-weight: 600;
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    border-bottom: 2px solid var(--border);
}
.data-table td {
    padding: 8px 12px;
    border-bottom: 1px solid var(--border-light);
    vertical-align: middle;
}
.data-table tr:hover { background: rgba(99,102,241,0.02); }
.data-table tr.voided { opacity: 0.4; text-decoration: line-through; }
.data-table .actions { white-space: nowrap; display: flex; gap: 4px; }

/* ========== STATUS BADGES ========== */
.status-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
}
.st-pending { background: #fef3c7; color: #92400e; }
.st-sent { background: #dbeafe; color: #1e40af; }
.st-processed { background: #d1fae5; color: #065f46; }
.st-failed { background: #fee2e2; color: #991b1b; }
.st-rejected { background: #fce7f3; color: #9d174d; }
.st-voided { background: #f3f4f6; color: #6b7280; }

/* ========== SUMMARY GRID ========== */
.summary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 12px;
    margin-bottom: 16px;
}
.summary-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 18px 16px;
    text-align: center;
}
.summary-card.accent { border-color: var(--accent); background: rgba(99,102,241,0.04); }
.summary-card .count { font-size: 1.5rem; font-weight: 800; font-family: 'JetBrains Mono', monospace; }
.summary-card .label { font-size: 0.72rem; color: var(--text-muted); text-transform: uppercase; margin-top: 2px; }

.cat-summary { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 12px 16px; }
.cat-summary-item { display: flex; align-items: center; gap: 8px; padding: 4px 0; font-size: 0.85rem; }
.cat-dot { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; }
.cat-name { flex: 1; }
.cat-total { font-weight: 700; font-family: 'JetBrains Mono', monospace; }

/* ========== ALERTS ========== */
.alert-bar {
    display: flex; align-items: center; gap: 10px;
    padding: 12px 16px; border-radius: var(--radius-sm); font-size: 0.85rem;
}
.alert-bar.success { background: #d1fae5; color: #065f46; }
.alert-bar.error { background: #fee2e2; color: #991b1b; }
.alert-bar.warning { background: #fef3c7; color: #92400e; }

/* ========== MODALS ========== */
.modal-overlay {
    position: fixed; inset: 0;
    background: rgba(0,0,0,0.5);
    display: flex; align-items: center; justify-content: center;
    z-index: 200;
    opacity: 0; pointer-events: none;
    transition: opacity 0.2s;
}
.modal-overlay.active { opacity: 1; pointer-events: auto; }
.modal {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    width: 90%; max-width: 480px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
}
.modal-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
}
.modal-header h2 { font-size: 1rem; font-weight: 700; }
.modal-close { background: none; border: none; font-size: 1.3rem; cursor: pointer; color: var(--text-muted); }
.modal-body { padding: 16px 20px; }
.modal-footer { padding: 12px 20px; border-top: 1px solid var(--border); display: flex; justify-content: flex-end; gap: 8px; }

/* ========== HEADER INDICATORS ========== */
.header-indicators {
    display: flex;
    gap: 10px;
    margin-right: 12px;
}
.indicator {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 4px 10px;
    border-radius: 14px;
    font-size: 0.7rem;
    font-weight: 600;
    background: var(--border-light);
    color: var(--text-muted);
    white-space: nowrap;
    cursor: default;
}
.indicator i { font-size: 0.68rem; }
.indicator.ok { background: #d1fae5; color: #065f46; }
.indicator.warn { background: #fef3c7; color: #92400e; }
.indicator.err { background: #fee2e2; color: #991b1b; }

/* ========== POSTING MODAL (multi-step) ========== */
.posting-overlay {
    position: fixed; inset: 0;
    background: rgba(0,0,0,0.6);
    display: flex; align-items: center; justify-content: center;
    z-index: 250;
    opacity: 0; pointer-events: none;
    transition: opacity 0.25s;
    backdrop-filter: blur(2px);
}
.posting-overlay.active { opacity: 1; pointer-events: auto; }

.posting-modal {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    width: 92%;
    max-width: 420px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    transform: scale(0.92) translateY(10px);
    transition: transform 0.25s;
}
.posting-overlay.active .posting-modal { transform: scale(1) translateY(0); }

.posting-step { padding: 24px; }

/* Step 1: Confirm */
.posting-header {
    font-size: 1.1rem; font-weight: 800;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 14px;
    display: flex; align-items: center; gap: 8px;
    color: var(--text-primary);
}

.ps-room {
    display: flex; align-items: center; gap: 10px;
    padding: 10px 12px;
    background: rgba(99,102,241,0.06);
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--accent);
    margin-bottom: 12px;
}
.ps-room-num { font-size: 1.3rem; font-weight: 800; font-family: 'JetBrains Mono', monospace; color: var(--accent); }
.ps-room-guest { font-size: 0.85rem; color: var(--text-secondary); }
.ps-gnum {
    margin-left: auto;
    font-size: 0.72rem;
    font-family: 'JetBrains Mono', monospace;
    background: #dbeafe;
    color: #1e40af;
    padding: 2px 7px;
    border-radius: 10px;
    font-weight: 600;
}

.cart-gn {
    font-size: 0.68rem;
    font-family: 'JetBrains Mono', monospace;
    background: #dbeafe;
    color: #1e40af;
    padding: 1px 6px;
    border-radius: 8px;
    margin-left: auto;
}
.cart-gn-warn {
    font-size: 0.68rem;
    color: #dc2626;
    margin-left: auto;
}

/* Guest selector in cart */
.cart-room-header {
    padding: 6px 0;
    font-size: 1.1rem;
}
.cart-guest-selected {
    display: flex; align-items: center; gap: 6px;
    font-size: 0.82rem;
    color: var(--text-secondary);
    padding: 4px 0;
}
.cart-guest-warn {
    font-size: 0.78rem;
    color: #dc2626;
    padding: 6px 8px;
    background: #fee2e2;
    border-radius: var(--radius-sm);
}
.cart-guest-list { margin-top: 4px; }
.cart-guest-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 600;
    margin-bottom: 4px;
}
.cart-guest-opt {
    display: flex; align-items: center; gap: 6px;
    padding: 7px 10px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    margin-bottom: 3px;
    cursor: pointer;
    font-size: 0.8rem;
    transition: all 0.15s;
}
.cart-guest-opt:hover:not(.nopost) { border-color: var(--accent); background: rgba(99,102,241,0.04); }
.cart-guest-opt.selected { border-color: var(--accent); background: rgba(99,102,241,0.08); font-weight: 600; }
.cart-guest-opt.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    background: #fef2f2;
    border-color: #fecaca;
}
.cart-guest-opt.is-nopost:not(.disabled) {
    border-color: #fde68a;
    background: #fffbeb;
}
.cart-guest-opt.is-nopost:not(.disabled):hover { border-color: #f59e0b; }
.cgo-name { flex: 1; }
.cgo-gn {
    font-size: 0.68rem;
    font-family: 'JetBrains Mono', monospace;
    color: var(--text-muted);
}
.cgo-nopost {
    font-size: 0.65rem;
    font-weight: 700;
    color: #dc2626;
    background: #fee2e2;
    padding: 1px 5px;
    border-radius: 6px;
}
.cgo-check { color: var(--accent); font-size: 0.72rem; }

/* Room no-post indicators */
.room-item.nopost { border-left: 3px solid #ef4444; opacity: 0.7; }
.room-nopost-tag {
    font-size: 0.6rem;
    color: #dc2626;
    font-weight: 700;
}
.room-guest-count {
    font-size: 0.62rem;
    color: var(--text-muted);
    display: flex; align-items: center; gap: 2px;
}

.ps-guest-name {
    font-size: 0.88rem;
    color: var(--text-secondary);
    padding: 4px 0 8px;
}

.ps-items { margin-bottom: 10px; }
.ps-item {
    display: flex; justify-content: space-between; align-items: center;
    padding: 6px 0;
    border-bottom: 1px solid var(--border-light);
    font-size: 0.85rem;
}
.ps-line {
    display: flex; justify-content: space-between;
    padding: 3px 0;
    font-size: 0.82rem;
    color: var(--text-muted);
}
.ps-total {
    display: flex; justify-content: space-between;
    padding: 10px 0 4px;
    border-top: 2px solid var(--text-primary);
    margin-top: 4px;
    font-size: 1.15rem;
    font-weight: 800;
}
.ps-notes {
    margin-top: 8px;
    padding: 8px 10px;
    background: #fffbeb;
    border-radius: var(--radius-sm);
    font-size: 0.78rem;
    color: #92400e;
}

.posting-actions {
    display: flex; gap: 8px;
    margin-top: 16px;
}
.posting-actions .btn { flex: 1; }

/* Step 2: Sending / Step 3: Waiting */
.posting-progress {
    text-align: center;
    padding: 20px 0;
}
.progress-icon {
    font-size: 2.8rem;
    margin-bottom: 16px;
}
.progress-icon.sending { color: var(--accent); }
.progress-icon.waiting { color: #3b82f6; animation: pulse 1.5s ease-in-out infinite; }

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

.progress-label {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 6px;
}
.progress-sub {
    font-size: 0.82rem;
    color: var(--text-muted);
    font-family: 'JetBrains Mono', monospace;
    margin-bottom: 12px;
}

.progress-bar-track {
    width: 100%;
    height: 4px;
    background: var(--border-light);
    border-radius: 2px;
    overflow: hidden;
}
.progress-bar-fill {
    height: 100%;
    width: 0%;
    background: var(--accent-gradient);
    border-radius: 2px;
    transition: width 1s linear;
}

.loading-spinner.lg { width: 40px; height: 40px; border-width: 3px; }

/* Step 4: Result */
.result-icon {
    text-align: center;
    font-size: 3.5rem;
    margin-bottom: 10px;
}
.rt-success { color: var(--success); }
.rt-rejected { color: var(--danger); }
.rt-error { color: var(--danger); }
.rt-timeout { color: var(--warning); }

.result-title {
    text-align: center;
    font-size: 1.2rem;
    font-weight: 800;
    margin-bottom: 14px;
}

.result-info {
    margin-bottom: 12px;
}
.ri-row {
    display: flex; justify-content: space-between; align-items: center;
    padding: 5px 0;
    border-bottom: 1px solid var(--border-light);
    font-size: 0.85rem;
}
.ri-row span { color: var(--text-muted); }
.ri-row code {
    font-size: 0.7rem;
    background: var(--border-light);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'JetBrains Mono', monospace;
    word-break: break-all;
}

.result-ok {
    padding: 12px;
    background: #d1fae5;
    color: #065f46;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.88rem;
}
.result-rejected {
    padding: 12px;
    background: #fee2e2;
    color: #991b1b;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.88rem;
}
.rr-detail {
    margin-top: 8px;
    padding: 8px 10px;
    background: rgba(0,0,0,0.06);
    border-radius: 4px;
    font-size: 0.82rem;
    font-weight: 400;
}
.rr-detail div { padding: 2px 0; }

.result-error {
    padding: 12px;
    background: #fee2e2;
    color: #991b1b;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
}
.result-pending {
    padding: 12px;
    background: #fef3c7;
    color: #92400e;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
}

/* Opera response in history */
.opera-ok { color: #065f46; font-weight: 600; font-size: 0.78rem; }
.opera-rejected { color: #991b1b; font-weight: 600; font-size: 0.78rem; cursor: help; }
.opera-waiting { color: #92400e; }
.data-table tr.rejected-row { background: rgba(239,68,68,0.04); }
.data-table tr.reversal-row { background: rgba(249,115,22,0.06); }
.data-table tr.reversal-row td { font-style: italic; }
.text-danger { color: #dc2626 !important; }
.st-reversal { background: #fff7ed; color: #c2410c; }

/* ========== TOAST ========== */
.toast-container { position: fixed; top: 20px; right: 20px; z-index: 300; display: flex; flex-direction: column; gap: 8px; }
.toast {
    padding: 12px 18px;
    border-radius: var(--radius-sm);
    background: var(--bg-card);
    box-shadow: var(--shadow-lg);
    display: flex; align-items: center; gap: 8px;
    font-size: 0.85rem;
    transform: translateX(120%);
    transition: transform 0.3s;
    border-left: 3px solid var(--success);
}
.toast.show { transform: translateX(0); }
.toast.error { border-left-color: var(--danger); }
.toast.warning { border-left-color: var(--warning); }

/* ========== LOGIN ========== */
.login-page {
    min-height: 100vh;
    display: flex; align-items: center; justify-content: center;
    background: var(--bg-primary);
    padding: 20px;
}
.login-box {
    width: 100%; max-width: 400px;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-light);
}
.login-logo { text-align: center; margin-bottom: 28px; }
.login-logo-img {
    max-width: 220px; height: auto;
    margin-bottom: 14px;
    background: #0a0a0a;
    border-radius: var(--radius);
    padding: 12px 20px;
}
.login-logo p { font-size: 0.82rem; color: var(--text-muted); margin-top: 4px; }

/* ========== LOADING ========== */
.loading-spinner {
    display: inline-block;
    width: 16px; height: 16px;
    border: 2px solid rgba(99,102,241,0.2);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.page-loading { display: flex; align-items: center; justify-content: center; gap: 10px; padding: 40px; color: var(--text-muted); }

.empty-state { text-align: center; padding: 40px 20px; color: var(--text-muted); }
.empty-state .icon { font-size: 2.5rem; margin-bottom: 12px; }
.empty-state h3 { font-weight: 600; color: var(--text-secondary); }

/* ========== RESPONSIVE ========== */
@media (max-width: 1024px) {
    .pos-layout {
        grid-template-columns: 1fr;
        grid-template-rows: auto 1fr auto;
        height: auto;
    }
    .pos-rooms {
        max-height: 200px;
    }
    .room-list {
        display: flex;
        flex-wrap: wrap;
        gap: 4px;
    }
    .room-item { flex: 0 0 auto; padding: 6px 10px; }
    .pos-products { min-height: 300px; }
    .pos-cart { min-height: 0; }
    .cart-items { max-height: 200px; }
}

@media (max-width: 768px) {
    :root { --sidebar-width: 260px; }
    html { font-size: 14px; }
    .mobile-toggle { display: flex; }
    .sidebar { transform: translateX(-100%); box-shadow: none; }
    .sidebar.open { transform: translateX(0); box-shadow: var(--shadow-lg); }
    .main-content { margin-left: 0; }
    .page-body { padding: 14px 12px; }
    .page-header { padding: 12px 14px; }
    .page-header h1 { font-size: 1rem; }
    .header-indicators { gap: 6px; margin-right: 6px; }
    .indicator span { display: none; }
    .indicator { padding: 4px 6px; }
    .pos-layout { gap: 10px; }
    .product-grid { grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); gap: 8px; }
    .login-box { padding: 28px 20px; }
    .summary-grid { grid-template-columns: repeat(2, 1fr); }
}