:root {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-card: #334155;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --accent: #3b82f6;
    --accent-hover: #2563eb;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --border: #475569;
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

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

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-family);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

header {
    background-color: var(--bg-secondary);
    padding: 1rem 0.5rem; /* Minimal padding to push button far left */
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 50;
}

header h1, header h2 {
    margin: 0;
    text-align: center;
    font-size: 1.3rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-weight: 600;
    letter-spacing: -0.025em;
}

header .left-action {
    display: flex;
    justify-content: flex-start;
}

header .right-action {
    display: flex;
    justify-content: flex-end;
}

@media (min-width: 768px) {
    header { padding: 1rem 2rem; grid-template-columns: minmax(120px, auto) 1fr minmax(120px, auto); }
    header h1, header h2 { font-size: 1.6rem; }
}

h3 {
    font-weight: 600;
    letter-spacing: -0.025em;
}

a {
    color: var(--accent);
    text-decoration: none;
    transition: color 0.2s;
}

a:hover {
    color: var(--accent-hover);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

/* Cards */
.card {
    background: var(--bg-secondary);
    border-radius: 12px;
    padding: 1.5rem;
    border: 1px solid var(--border);
    transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    font-size: 0.95rem;
    font-weight: 500;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent), var(--accent-hover));
    color: white;
}

.btn-primary:hover {
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
}

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

.btn-success:hover {
    filter: brightness(1.1);
}

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

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

input, select, textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    background-color: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: var(--font-family);
    transition: border-color 0.2s;
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

/* Grids */
.grid {
    display: grid;
    gap: 1.5rem;
}

/* Default to single column for mobile */
.grid-cols-2, .grid-cols-3, .grid-cols-4, .grid-cols-5 {
    grid-template-columns: 1fr;
}

/* Desktop sizing */
@media (min-width: 768px) {
    .grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
    .grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
    .grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
    .grid-cols-5 { grid-template-columns: repeat(5, 1fr); }
}

/* Utility */
.flex { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-4 { gap: 1rem; }
.mt-4 { margin-top: 1rem; }
.mb-4 { margin-bottom: 1rem; }

/* Status Badges */
.badge {
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.badge-pending { background: rgba(245, 158, 11, 0.2); color: var(--warning); }
.badge-fired { background: rgba(59, 130, 246, 0.2); color: var(--accent); }
.badge-ready { background: rgba(16, 185, 129, 0.2); color: var(--success); }

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

.animate-fade-in {
    animation: fadeIn 0.4s ease forwards;
}

/* specific UI */
.role-selection {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    max-width: 400px;
    margin: 4rem auto;
}

.role-card {
    text-align: center;
    padding: 2rem;
    cursor: pointer;
}

.role-card h2 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.role-card p {
    color: var(--text-secondary);
}

/* POS Chips for Waiter App */
.chips-container {
    display: flex;
    overflow-x: auto;
    gap: 0.75rem;
    padding-bottom: 0.5rem;
    -webkit-overflow-scrolling: touch; /* Smooth scroll on iOS */
    scrollbar-width: none; /* Firefox */
}
.chips-container::-webkit-scrollbar {
    display: none; /* Chrome, Safari */
}

.chip {
    flex: 0 0 auto;
    padding: 0.75rem 1.25rem;
    background: var(--bg-primary);
    border: 2px solid var(--border);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s ease;
    user-select: none;
}

.chip:active {
    transform: scale(0.95);
}

.chip.active {
    background: rgba(59, 130, 246, 0.15);
    border-color: var(--accent);
    color: var(--accent);
}

.allergy-chip {
    padding: 0.4rem 0.8rem;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 9999px;
    font-size: 0.8rem;
    color: var(--text-secondary);
    cursor: pointer;
    user-select: none;
    transition: all 0.2s;
    white-space: nowrap;
}

.allergy-chip:active {
    transform: scale(0.95);
}

.allergy-chip.active {
    background: rgba(239, 68, 68, 0.15); /* Danger red tint */
    border-color: var(--danger);
    color: var(--danger);
    font-weight: 600;
}

/* Kitchen Layout */
.kitchen-layout {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}
.totals-sidebar {
    background: var(--bg-secondary);
    border-radius: 12px;
    padding: 1.5rem;
    border: 1px solid var(--border);
}
.total-item {
    border-bottom: 1px dashed var(--border);
    padding: 0.75rem 0;
}
.total-header {
    display: flex;
    justify-content: space-between;
    font-weight: 600;
}
.total-notes {
    font-size: 0.8rem;
    color: var(--warning);
    margin-top: 0.25rem;
    padding-left: 1rem;
    list-style-type: circle;
}

@media (min-width: 1024px) {
    .kitchen-layout {
        display: grid;
        grid-template-columns: 350px 1fr;
        align-items: start;
    }
    .totals-sidebar {
        position: sticky;
        top: 2rem;
    }
}

/* Kitchen Matrix Table */
.table-responsive {
    overflow-x: auto;
    width: 100%;
    -webkit-overflow-scrolling: touch;
    margin-top: 1rem;
}
.matrix-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
    min-width: 600px; /* Force scroll on small screens */
}
.matrix-table th, .matrix-table td {
    border: 1px solid var(--border);
    padding: 0.5rem;
    text-align: center;
}
.matrix-table th.item-col, .matrix-table td.item-col {
    text-align: left;
    font-weight: 600;
    width: 150px;
    position: sticky;
    left: 0;
    background: var(--bg-primary);
    z-index: 2;
}
.matrix-table th.total-col, .matrix-table td.total-col {
    font-weight: 700;
    background: var(--bg-secondary);
}
.matrix-table .course-header {
    background: var(--bg-secondary);
    font-weight: 700;
    text-transform: uppercase;
}
.matrix-table .course-header th {
    text-align: left;
}
.matrix-table .dietary-row td {
    font-size: 0.75rem;
    color: var(--warning);
    border-bottom: 2px solid var(--text-primary);
}
.matrix-table thead th {
    border-bottom: 2px solid var(--text-primary);
}
.matrix-mark {
    font-weight: 700;
    color: var(--accent);
}
.btn-course-action {
    font-size: 0.75rem;
    padding: 0.2rem 0.5rem;
    float: right;
}