:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --success: #16a34a;
    --danger: #dc2626;
    --warning: #d97706;
    --dark: #1f2937;
    --light: #f3f4f6;
    --border: #e5e7eb;
    --text: #374151;
    --text-muted: #6b7280;
    --white: #ffffff;
    --shadow: 0 1px 3px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
    --radius: 8px;
    --sidebar-width: 220px;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--light);
    color: var(--text);
    line-height: 1.6;
}

/* ── Sidebar ────────────────────────────────────────────── */
.sidebar {
    position: fixed; top: 0; left: 0; bottom: 0;
    width: var(--sidebar-width);
    background: var(--dark);
    display: flex; flex-direction: column;
    z-index: 1000;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: rgba(255,255,255,0.15) transparent;
}
.sidebar::-webkit-scrollbar { width: 4px; }
.sidebar::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.15); border-radius: 2px; }

.sidebar-header {
    padding: 1rem 1rem 0.75rem;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    flex-shrink: 0;
}
.sidebar-brand {
    color: var(--white); font-size: 1.2rem; font-weight: 700;
    text-decoration: none; display: block;
}
.sidebar-brand span { color: var(--primary); }

.sidebar-nav {
    flex: 1; padding: 0.5rem 0; overflow-y: auto;
}
.sidebar-link {
    display: flex; align-items: center; gap: 0.6rem;
    padding: 0.45rem 1rem;
    color: rgba(255,255,255,0.7); text-decoration: none;
    font-size: 0.84rem; border-left: 3px solid transparent;
    transition: all 0.15s;
}
.sidebar-link:hover {
    color: var(--white); background: rgba(255,255,255,0.06);
}
.sidebar-link.active {
    color: var(--white); background: rgba(255,255,255,0.1);
    border-left-color: var(--primary);
}
.sidebar-icon { font-size: 1rem; width: 1.3rem; text-align: center; flex-shrink: 0; }
.sidebar-badge {
    background: #dc2626; color: #fff; border-radius: 10px;
    padding: 0 6px; font-size: 0.65rem; font-weight: 600; margin-left: auto;
}
.sidebar-divider {
    height: 1px; background: rgba(255,255,255,0.08);
    margin: 0.4rem 1rem;
}

.sidebar-footer {
    padding: 0.75rem 1rem;
    border-top: 1px solid rgba(255,255,255,0.08);
    flex-shrink: 0;
}
.sidebar-user {
    display: flex; align-items: center; gap: 0.5rem;
    color: rgba(255,255,255,0.7); font-size: 0.8rem;
    margin-bottom: 0.5rem;
}
.sidebar-username { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sidebar-footer-links {
    display: flex; gap: 0.75rem;
}
.sidebar-footer-links a {
    color: rgba(255,255,255,0.5); text-decoration: none; font-size: 0.95rem;
}
.sidebar-footer-links a:hover { color: var(--white); }

/* ── Mobile top bar ─────────────────────────────────────── */
.mobile-topbar {
    display: none; /* hidden on desktop */
    position: sticky; top: 0; z-index: 999;
    background: var(--dark); height: 50px;
    align-items: center; justify-content: space-between;
    padding: 0 1rem;
}
.mobile-brand {
    color: var(--white); font-weight: 700; font-size: 1.1rem; text-decoration: none;
}
.mobile-brand span { color: var(--primary); }
.mobile-logout { color: rgba(255,255,255,0.7); text-decoration: none; font-size: 1.1rem; }
.sidebar-toggle {
    background: none; border: none; cursor: pointer; padding: 0.5rem;
    display: flex; flex-direction: column; gap: 4px;
}
.sidebar-toggle span {
    display: block; width: 20px; height: 2px; background: var(--white); border-radius: 1px;
}
.sidebar-overlay {
    display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.4); z-index: 999;
}

/* ── Main content with sidebar offset ───────────────────── */
.main-content {
    margin-left: var(--sidebar-width);
    max-width: 1400px;
    padding: 1.5rem;
}

/* ── Mobile responsive ──────────────────────────────────── */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.25s ease;
        width: 250px;
    }
    body.sidebar-open .sidebar { transform: translateX(0); }
    body.sidebar-open .sidebar-overlay { display: block; }
    .mobile-topbar { display: flex; }
    .main-content { margin-left: 0; padding: 1rem; }
}

/* ── Page Header ────────────────────────────────────────── */
.page-header {
    display: flex; justify-content: space-between; align-items: center;
    margin-bottom: 1.5rem; flex-wrap: wrap; gap: 1rem;
}
.page-title { font-size: 1.5rem; font-weight: 600; color: var(--dark); }
.breadcrumb {
    display: flex; gap: 0.5rem; font-size: 0.875rem; color: var(--text-muted); margin-bottom: 0.5rem;
}
.breadcrumb a { color: var(--primary); text-decoration: none; }

/* ── Cards ──────────────────────────────────────────────── */
.card {
    background: var(--white); border-radius: var(--radius);
    box-shadow: var(--shadow); overflow: hidden; margin-bottom: 1.5rem;
}
.card-header {
    padding: 1rem 1.25rem; border-bottom: 1px solid var(--border);
    font-weight: 600; display: flex; justify-content: space-between; align-items: center;
}
.card-body { padding: 1.25rem; }

/* ── Buttons ────────────────────────────────────────────── */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
    padding: 0.5rem 1rem; border-radius: var(--radius); font-size: 0.875rem;
    font-weight: 500; text-decoration: none; border: none; cursor: pointer;
    transition: all 0.2s; line-height: 1.4;
}
.btn-primary { background: var(--primary); color: var(--white); }
.btn-primary:hover { background: var(--primary-dark); }
.btn-success { background: var(--success); color: var(--white); }
.btn-success:hover { background: #15803d; }
.btn-danger { background: var(--danger); color: var(--white); }
.btn-danger:hover { background: #b91c1c; }
.btn-warning { background: var(--warning); color: var(--white); }
.btn-outline { background: transparent; border: 1px solid var(--border); color: var(--text); }
.btn-outline:hover { background: var(--light); }
.btn-sm { padding: 0.35rem 0.75rem; font-size: 0.8rem; }
.btn-lg { padding: 0.75rem 1.5rem; font-size: 1rem; }
.btn-block { display: flex; width: 100%; }

/* ── Forms ──────────────────────────────────────────────── */
.form-group { margin-bottom: 1rem; }
.form-label { display: block; font-size: 0.875rem; font-weight: 500; margin-bottom: 0.375rem; color: var(--text); }
.form-control {
    width: 100%; padding: 0.5rem 0.75rem; border: 1px solid var(--border);
    border-radius: var(--radius); font-size: 0.9rem; font-family: inherit;
    transition: border-color 0.2s, box-shadow 0.2s;
}
.form-control:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(37,99,235,0.1); }
select.form-control { cursor: pointer; background: var(--white); }
textarea.form-control { min-height: 100px; resize: vertical; }
.form-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1rem; }
.form-check { display: flex; align-items: center; gap: 0.5rem; }
.form-check input[type="checkbox"] { width: 1rem; height: 1rem; cursor: pointer; }
.form-hint { font-size: 0.8rem; color: var(--text-muted); margin-top: 0.25rem; }

/* ── Tables ─────────────────────────────────────────────── */
.table-container { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 0.75rem 1rem; text-align: left; border-bottom: 1px solid var(--border); }
th {
    background: var(--light); font-weight: 600; font-size: 0.8rem;
    text-transform: uppercase; letter-spacing: 0.05em; color: var(--text-muted); white-space: nowrap;
}
tr:hover { background: rgba(0,0,0,0.02); }
td.actions { white-space: nowrap; }

/* ── Badges ─────────────────────────────────────────────── */
.badge { display: inline-block; padding: 0.25rem 0.625rem; border-radius: 50px; font-size: 0.75rem; font-weight: 500; }
.badge-success { background: #dcfce7; color: #166534; }
.badge-warning { background: #fef3c7; color: #92400e; }
.badge-danger { background: #fee2e2; color: #991b1b; }
.badge-info { background: #dbeafe; color: #1e40af; }
.badge-secondary { background: #f3f4f6; color: #4b5563; }
.badge-primary { background: #dbeafe; color: #1e40af; }

/* ── Stat Cards ─────────────────────────────────────────── */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 1rem; margin-bottom: 1.5rem; }
.stat-card { background: var(--white); padding: 1.25rem; border-radius: var(--radius); box-shadow: var(--shadow); }
.stat-card-label { font-size: 0.75rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.05em; }
.stat-card-value { font-size: 1.5rem; font-weight: 700; color: var(--dark); margin-top: 0.25rem; }
.stat-card-value.success { color: var(--success); }
.stat-card-value.danger { color: var(--danger); }
.stat-card-value.warning { color: var(--warning); }

/* ── Alerts ─────────────────────────────────────────────── */
.alert {
    padding: 1rem 1.25rem; border-radius: var(--radius); margin-bottom: 1rem;
    display: flex; align-items: center; gap: 0.75rem;
}
.alert-success { background: #dcfce7; color: #166534; border: 1px solid #bbf7d0; }
.alert-danger { background: #fee2e2; color: #991b1b; border: 1px solid #fecaca; }
.alert-warning { background: #fef3c7; color: #92400e; border: 1px solid #fde68a; }
.alert-info { background: #dbeafe; color: #1e40af; border: 1px solid #bfdbfe; }

/* ── Grid Layouts ───────────────────────────────────────── */
.grid { display: grid; gap: 1.5rem; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 768px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } .page-header { flex-direction: column; align-items: flex-start; } }

/* ── Nav Cards (Dashboard) ──────────────────────────────── */
.nav-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 1rem; }
.nav-card {
    background: var(--white); padding: 1.5rem 1rem; border-radius: var(--radius);
    box-shadow: var(--shadow); text-decoration: none; color: var(--text);
    text-align: center; transition: all 0.2s;
}
.nav-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.nav-card-icon { font-size: 2rem; margin-bottom: 0.5rem; }
.nav-card-title { font-weight: 600; font-size: 0.9rem; }

/* ── Financial Summary ──────────────────────────────────── */
.financial-summary {
    background: linear-gradient(135deg, var(--dark) 0%, #374151 100%);
    color: var(--white); padding: 1.5rem; border-radius: var(--radius); margin-bottom: 1.5rem;
}
.financial-summary h3 { margin-bottom: 1rem; font-size: 1rem; opacity: 0.9; }
.financial-row { display: flex; justify-content: space-between; padding: 0.5rem 0; border-bottom: 1px solid rgba(255,255,255,0.1); }
.financial-row:last-child { border-bottom: none; }
.financial-row.total { font-weight: 700; font-size: 1.1rem; margin-top: 0.5rem; padding-top: 0.75rem; border-top: 2px solid rgba(255,255,255,0.3); border-bottom: none; }
.financial-row .positive { color: #4ade80; }
.financial-row .negative { color: #f87171; }

/* ── Action buttons ─────────────────────────────────────── */
.action-buttons { display: flex; gap: 0.5rem; flex-wrap: wrap; }

/* ── Empty state ────────────────────────────────────────── */
.empty-state { text-align: center; padding: 3rem; color: var(--text-muted); }
.empty-state-icon { font-size: 3rem; margin-bottom: 1rem; }

/* ── Money ──────────────────────────────────────────────── */
.money { font-family: 'SF Mono', 'Monaco', 'Inconsolata', monospace; font-size: 0.95em; }
.money-positive { color: var(--success); }
.money-negative { color: var(--danger); }

/* ── Sections ───────────────────────────────────────────── */
.section { margin-bottom: 2rem; }
.section-title { font-size: 1.1rem; font-weight: 600; margin-bottom: 1rem; color: var(--dark); }

/* ── Client Info ────────────────────────────────────────── */
.client-info { display: flex; flex-wrap: wrap; gap: 1.5rem; padding: 1rem 0; }
.client-info-item { display: flex; flex-direction: column; }
.client-info-label { font-size: 0.75rem; text-transform: uppercase; color: var(--text-muted); letter-spacing: 0.05em; }
.client-info-value { font-weight: 500; }

/* ── Filters ────────────────────────────────────────────── */
.filters { display: flex; gap: 1rem; margin-bottom: 1rem; flex-wrap: wrap; align-items: center; }
.filter-group { display: flex; align-items: center; gap: 0.5rem; }
.search-box { display: flex; gap: 0.5rem; }
.search-box input { min-width: 250px; }

/* ── Product Cards ──────────────────────────────────────── */
.product-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1rem; }
.product-card { background: var(--white); border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; }
.product-card-image { height: 150px; background: var(--light); display: flex; align-items: center; justify-content: center; color: var(--text-muted); }
.product-card-image img { width: 100%; height: 100%; object-fit: cover; }
.product-card-body { padding: 1rem; }
.product-card-title { font-weight: 600; margin-bottom: 0.5rem; }
.product-card-category { font-size: 0.75rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.05em; }
.product-card-price { font-size: 1.25rem; font-weight: 700; color: var(--primary); margin: 0.5rem 0; }
.product-card-costs { font-size: 0.85rem; color: var(--text-muted); }
.product-card-profit { display: flex; justify-content: space-between; margin-top: 0.5rem; padding-top: 0.5rem; border-top: 1px solid var(--border); }
.product-card-actions { display: flex; gap: 0.5rem; margin-top: 1rem; }

/* ── Team Cards ─────────────────────────────────────────── */
.team-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1rem; }
.team-card { background: var(--white); border-radius: var(--radius); box-shadow: var(--shadow); padding: 1.5rem; }
.team-card-name { font-size: 1.1rem; font-weight: 600; margin-bottom: 0.25rem; }
.team-card-role { font-size: 0.85rem; color: var(--text-muted); margin-bottom: 1rem; }
.team-card-info { font-size: 0.9rem; margin-bottom: 0.5rem; color: var(--text); }
.team-card-actions { display: flex; gap: 0.5rem; margin-top: 1rem; padding-top: 1rem; border-top: 1px solid var(--border); }

/* ── Calculator ─────────────────────────────────────────── */
.calc-section { background: var(--white); border-radius: var(--radius); padding: 1.5rem; margin-bottom: 1rem; }
.calc-result { background: var(--light); padding: 1rem; border-radius: var(--radius); margin-top: 1rem; }
.calc-result-row { display: flex; justify-content: space-between; padding: 0.5rem 0; }
.calc-result-total { font-size: 1.25rem; font-weight: 700; color: var(--primary); border-top: 2px solid var(--border); margin-top: 0.5rem; padding-top: 0.5rem; }

/* ── Tabs ───────────────────────────────────────────────── */
.tabs { display: flex; border-bottom: 2px solid var(--border); margin-bottom: 1.5rem; }
.tab {
    padding: 0.75rem 1.5rem; border: none; background: none; font-size: 0.9rem;
    font-weight: 500; color: var(--text-muted); cursor: pointer;
    border-bottom: 2px solid transparent; margin-bottom: -2px; transition: all 0.2s;
}
.tab:hover { color: var(--text); }
.tab.active { color: var(--primary); border-bottom-color: var(--primary); }
.tab-content { display: none; }
.tab-content.active { display: block; }

/* ── Login Page ─────────────────────────────────────────── */
.login-container {
    min-height: 100vh; display: flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, var(--dark) 0%, #374151 100%);
}
.login-box { background: var(--white); padding: 2.5rem; border-radius: var(--radius); box-shadow: var(--shadow-md); width: 100%; max-width: 400px; }
.login-logo { text-align: center; margin-bottom: 2rem; }
.login-logo h1 { font-size: 2rem; color: var(--dark); }
.login-logo h1 span { color: var(--primary); }

/* ── Utilities ──────────────────────────────────────────── */
.text-right { text-align: right; }
.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-warning { color: var(--warning); }
.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; } .mb-3 { margin-bottom: 1.5rem; }
.d-flex { display: flex; } .align-center { align-items: center; } .justify-between { justify-content: space-between; }
.gap-1 { gap: 0.5rem; } .gap-2 { gap: 1rem; }
.w-100 { width: 100%; }

/* ── Quote Styles ───────────────────────────────────────── */
.quote-item-row { background: #f8f9fa; border: 1px solid var(--border); border-radius: var(--radius); padding: 1rem; margin-bottom: 0.75rem; }
.item-notes-row { margin-top: 0.75rem; padding-top: 0.75rem; border-top: 1px dashed var(--border); }
.expiration-warning { display: inline; }

/* ── Survey Styles ──────────────────────────────────────── */
.survey-type-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 1rem; }
.survey-type-card { cursor: pointer; }
.survey-type-card input[type="radio"] { display: none; }
.survey-type-card-inner {
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    gap: 0.5rem; padding: 1.25rem 1rem; border: 2px solid var(--border); border-radius: var(--radius);
    text-align: center; transition: all 0.2s; min-height: 100px;
}
.survey-type-card input:checked + .survey-type-card-inner { border-color: var(--primary); background: rgba(37,99,235,0.05); box-shadow: 0 0 0 3px rgba(37,99,235,0.15); }
.survey-type-card-inner:hover { border-color: var(--primary); }
.survey-type-icon { font-size: 2rem; }
.survey-type-label { font-weight: 600; font-size: 0.95rem; }
.survey-header-info { display: flex; justify-content: space-between; align-items: flex-start; gap: 1rem; margin-bottom: 1rem; }
.survey-type-badge { font-size: 0.85rem; color: var(--text-muted); margin-bottom: 0.25rem; }
.survey-client-name { font-size: 1.25rem; font-weight: 600; margin-bottom: 0.25rem; }
.survey-actions { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.survey-areas-container { padding: 0 !important; }
.survey-area { border-bottom: 1px solid var(--border); }
.survey-area:last-of-type { border-bottom: none; }
.survey-area-header { display: flex; align-items: center; gap: 0.75rem; padding: 1rem 1.25rem; cursor: pointer; user-select: none; min-height: 52px; }
.survey-area-header:hover { background: var(--light); }
.survey-area-toggle { font-size: 0.75rem; color: var(--text-muted); width: 16px; flex-shrink: 0; }
.survey-area-title { font-weight: 600; flex: 1; }
.survey-area-dims { font-size: 0.85rem; color: var(--text-muted); white-space: nowrap; }
.survey-area-body { padding: 0 1.25rem 1.25rem; border-top: 1px dashed var(--border); }
.survey-dims-row { display: flex; align-items: flex-end; gap: 1rem; margin-bottom: 1rem; }
.survey-dim-field { flex: 1; }
.survey-dim-field label { display: block; font-size: 0.8rem; color: var(--text-muted); margin-bottom: 0.25rem; }
.survey-dim-field input { font-size: 1.1rem; padding: 0.6rem 0.75rem; min-height: 44px; }
.survey-dim-sqft { font-size: 0.85rem; color: var(--text-muted); white-space: nowrap; padding-bottom: 0.6rem; min-width: 70px; }
.survey-photo-upload { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 1rem; }
.survey-camera-btn { min-height: 44px; min-width: 44px; font-size: 0.95rem; }
.survey-photo-grid { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-bottom: 0.75rem; }
.survey-photo-item { position: relative; width: 90px; text-align: center; }
.survey-photo-thumb { width: 90px; height: 90px; object-fit: cover; border-radius: 6px; border: 1px solid var(--border); cursor: pointer; }
.survey-photo-pdf { display: flex; flex-direction: column; align-items: center; justify-content: center; background: var(--light); font-weight: 600; font-size: 0.85rem; color: var(--danger); cursor: default; }
.survey-photo-name { font-size: 0.7rem; color: var(--text-muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; margin-top: 0.25rem; }
.survey-photo-delete { position: absolute; top: -6px; right: -6px; background: var(--danger); color: var(--white); border: 2px solid var(--white); border-radius: 50%; width: 24px; height: 24px; font-size: 14px; line-height: 1; cursor: pointer; display: flex; align-items: center; justify-content: center; padding: 0; }
.survey-area-actions { margin-top: 0.75rem; padding-top: 0.75rem; border-top: 1px dashed var(--border); }
.survey-add-area { padding: 1rem 1.25rem; background: var(--light); }
.survey-add-area-form { display: flex; gap: 0.5rem; }
.survey-add-area-form input { flex: 1; min-height: 44px; }
.survey-add-area-form button { min-height: 44px; white-space: nowrap; }

@media (max-width: 768px) {
    .survey-type-grid { grid-template-columns: repeat(2, 1fr); }
    .survey-header-info { flex-direction: column; }
    .survey-actions { width: 100%; }
    .survey-actions .btn { flex: 1; min-width: 0; text-align: center; font-size: 0.85rem; }
    .survey-dims-row { flex-wrap: wrap; }
    .survey-dim-field { min-width: 100px; }
    .survey-add-area-form { flex-direction: column; }
    .survey-photo-item { width: 80px; }
    .survey-photo-thumb { width: 80px; height: 80px; }
}

/* ── Print ──────────────────────────────────────────────── */
@media print {
    .sidebar, .mobile-topbar, .btn, .action-buttons { display: none !important; }
    .main-content { margin-left: 0; padding: 0; max-width: none; }
}