:root {
    --bg-main: #f8fafc;
    --sidebar-bg: #ffffff;
    --card-bg: #ffffff;
    --text-main: #1e293b;
    --text-muted: #64748b;
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --border: #e2e8f0;
    --success: #16a34a;
    --danger: #dc2626;
}

* {
    box-sizing: border-box;
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    margin: 0;
    padding: 0;
}

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

/* Sidebar */
.sidebar {
    width: 260px;
    height: 100vh;
    background: var(--sidebar-bg);
    border-right: 1px solid var(--border);
    position: fixed;
    top: 0;
    left: 0;
    padding: 24px;
    z-index: 100;
}

.brand {
    font-size: 1.15rem;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    text-decoration: none;
    color: var(--text-muted);
    border-radius: 8px;
    margin-bottom: 6px;
    font-weight: 500;
    font-size: 14px;
    transition: 0.2s;
}

.nav-link:hover,
.nav-link.active {
    background: #eff6ff;
    color: var(--primary);
}

/* Main Content */
.main-content {
    margin-left: 260px;
    width: calc(100% - 260px);
    padding: 32px;
}

.card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 28px;
    margin-bottom: 24px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

/* Forms & Inputs */
label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 6px;
    margin-top: 14px;
}

label:first-of-type {
    margin-top: 0;
}

input,
select,
textarea {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 14px;
    background: #fff;
    color: var(--text-main);
    outline: none;
    transition: 0.2s;
}

input:focus,
select:focus,
textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

textarea {
    min-height: 100px;
    resize: vertical;
}

/* Buttons */
.btn {
    padding: 10px 20px;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    font-weight: 600;
    font-size: 14px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: 0.2s;
    text-decoration: none;
}

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

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

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

.btn-success:hover {
    background: #15803d;
}

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

.btn-danger:hover {
    background: #b91c1c;
}

.btn-secondary {
    background: #f1f5f9;
    color: var(--text-main);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: #e2e8f0;
}

.btn-group {
    display: flex;
    gap: 12px;
    margin-top: 24px;
}

/* Tabs & Menu */
.tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border);
    padding-bottom: 12px;
}

.tab-btn {
    padding: 8px 16px;
    border: 1px solid var(--border);
    background: #f8fafc;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 500;
    font-size: 13px;
    color: var(--text-muted);
}

.tab-btn.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.menu-builder {
    background: #f8fafc;
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 16px;
    margin-bottom: 20px;
}

.menu-list {
    max-height: 200px;
    overflow-y: auto;
    background: white;
    border: 1px solid var(--border);
    border-radius: 8px;
    margin-top: 10px;
    padding: 8px;
}

.menu-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 12px;
    border-bottom: 1px solid var(--border);
    font-size: 13px;
}

.menu-row:last-child {
    border-bottom: none;
}

/* Tables */
table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 12px;
    background: white;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--border);
}

th {
    background: #f8fafc;
    text-align: left;
    padding: 14px;
    color: var(--text-muted);
    font-size: 13px;
    font-weight: 600;
    border-bottom: 1px solid var(--border);
}

td {
    padding: 14px;
    border-top: 1px solid var(--border);
    font-size: 14px;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-bottom: 24px;
}

.stat-card {
    background: white;
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 20px;
}

.stat-title {
    font-size: 13px;
    color: var(--text-muted);
    font-weight: 500;
}

.stat-value {
    font-size: 22px;
    font-weight: 700;
    color: var(--success);
    margin-top: 8px;
}

@media(max-width: 900px) {
    .sidebar {
        width: 70px;
        padding: 15px 10px;
    }

    .sidebar .brand span,
    .sidebar .nav-link span {
        display: none;
    }

    .main-content {
        margin-left: 70px;
        width: calc(100% - 70px);
        padding: 15px;
    }

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

/* Filter Pills & Toolbar */
.filter-container {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.pill-btn {
    padding: 6px 14px;
    border: 1px solid var(--border);
    background: #f8fafc;
    border-radius: 20px;
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-muted);
    text-decoration: none;
    transition: 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.pill-btn:hover,
.pill-btn.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.date-filter-form {
    display: flex;
    gap: 12px;
    align-items: center;
    flex-wrap: wrap;
    margin-bottom: 20px;
    padding-top: 16px;
    border-top: 1px solid var(--border);
}

.summary-banner {
    background: #eff6ff;
    border: 1px solid #bfdbfe;
    border-radius: 8px;
    padding: 14px 18px;
    margin-bottom: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 14px;
    flex-wrap: wrap;
    gap: 10px;
    color: #1e40af;
}

.summary-banner strong {
    color: var(--primary);
}

/* Modal Popup Styling */
.modal {
    display: none;
    position: fixed;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(3px);
    justify-content: center;
    align-items: center;
    z-index: 1000;
    padding: 20px;
}

.modal-content {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 30px;
    width: 550px;
    max-width: 100%;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    max-height: 90vh;
    overflow-y: auto;
    border: 1px solid var(--border);
}

.modal-content h3 {
    margin-bottom: 15px;
    color: var(--text-main);
    font-size: 18px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.modal-content p {
    margin-bottom: 12px;
    font-size: 14px;
    line-height: 1.5;
    color: var(--text-muted);
}

.modal-content strong {
    color: var(--text-main);
}

/* Brand Selector Tabs */
.brand-container {
    display: flex;
    gap: 10px;
    margin-bottom: 16px;
}

.brand-btn {
    flex: 1;
    padding: 10px;
    border: 1px solid var(--border);
    background: #f8fafc;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    font-size: 13px;
    text-align: center;
    color: var(--text-muted);
    transition: 0.2s;
}

.brand-btn.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.brand-btn { 
    flex: 1; padding: 12px; border: 1px solid var(--border); 
    background: #ffffff; border-radius: 8px; cursor: pointer; 
    font-weight: 700; font-size: 13px; text-align: center; 
    color: var(--text-muted); transition: 0.2s; 
    display: flex; align-items: center; justify-content: center; gap: 8px;
}
.brand-btn.active { 
    background: var(--primary); color: white; border-color: var(--primary); 
}
.brand-btn i { font-size: 16px; }

/* Logo Initial Badges */
.logo-badge {
    width: 28px; height: 28px;
    border-radius: 6px;
    display: flex; align-items: center; justify-content: center;
    font-weight: 800; font-size: 14px;
    color: white;
}
.brand-btn.active .logo-badge { background: white; color: var(--primary); }
#brandDominos .logo-badge { background: #006491; }
#brandPizzaHut .logo-badge { background: #d0232c; }
#brandPapaJohns .logo-badge { background: #338833; }


.info-btn {
    background: #e2e8f0; border: none; padding: 4px 8px; border-radius: 4px;
    cursor: pointer; color: var(--text-muted); font-size: 12px; margin-right: 5px;
}
.info-btn:hover { background: var(--primary); color: white; }