:root {
    --bg: #f4f5f7;
    --panel: #ffffff;
    --border: #e2e4e9;
    --text: #1f2430;
    --muted: #6b7280;
    --primary: #2f5d8a;
    --primary-dark: #234867;
    --accent: #d97706;
    --success: #1a7f4b;
    --danger: #b3261e;
    --radius: 8px;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

.app-shell { display: flex; min-height: 100vh; }

.sidebar {
    width: 220px;
    background: var(--primary-dark);
    color: #fff;
    display: flex;
    flex-direction: column;
    padding: 20px 0;
    flex-shrink: 0;
}
.brand { font-weight: 700; font-size: 18px; padding: 0 20px 20px; border-bottom: 1px solid rgba(255,255,255,0.15); }
.brand-sub { display: block; font-size: 12px; font-weight: 400; opacity: 0.7; }
.nav-section { padding: 16px 0; border-bottom: 1px solid rgba(255,255,255,0.1); }
.nav-section.muted { opacity: 0.55; }
.nav-label { font-size: 11px; text-transform: uppercase; letter-spacing: 0.05em; padding: 0 20px 8px; opacity: 0.7; }
.sidebar a { display: block; padding: 8px 20px; color: #dfe7ef; }
.sidebar a:hover { background: rgba(255,255,255,0.08); text-decoration: none; }
.sidebar a.active { background: var(--primary); color: #fff; font-weight: 600; }
.nav-disabled { display: block; padding: 6px 20px; font-size: 13px; }
.nav-footer { margin-top: auto; padding: 16px 20px 0; }
.user-chip { font-size: 13px; }
.role { display: block; font-size: 11px; opacity: 0.7; text-transform: capitalize; }
.logout-link { display: inline-block; margin-top: 8px; font-size: 13px; color: #f3c9c9; }

.content { flex: 1; padding: 28px 36px; max-width: 1200px; }

h1 { font-size: 22px; margin: 0 0 18px; }
h2 { font-size: 17px; margin: 24px 0 10px; }

.page-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 18px; }

.btn {
    display: inline-block;
    padding: 8px 14px;
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 14px;
}
.btn:hover { background: var(--primary-dark); text-decoration: none; }
.btn-secondary { background: #fff; color: var(--text); border: 1px solid var(--border); }
.btn-secondary:hover { background: #f0f1f3; }
.btn-danger { background: var(--danger); }
.btn-sm { padding: 4px 10px; font-size: 12px; }

.card {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 18px;
    margin-bottom: 16px;
}

table { width: 100%; border-collapse: collapse; background: var(--panel); }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); font-size: 14px; }
th { background: #fafbfc; font-weight: 600; color: var(--muted); font-size: 12px; text-transform: uppercase; }
tr:hover { background: #fafbfc; }

.badge { display: inline-block; padding: 2px 9px; border-radius: 999px; font-size: 12px; font-weight: 600; }
.badge-new { background: #e0ecf7; color: var(--primary-dark); }
.badge-qualified, .badge-converted, .badge-won, .badge-accepted { background: #e3f3ea; color: var(--success); }
.badge-requirement-understood, .badge-quote-sent, .badge-sample-sent, .badge-order-requested { background: #fdecd2; color: #92600a; }
.badge-lost, .badge-unqualified, .badge-rejected { background: #fbe7e6; color: var(--danger); }
.badge-negotiation, .badge-proposal-sent, .badge-contacted, .badge-sent { background: #fdecd2; color: #92600a; }
.badge-draft { background: #eee; color: var(--muted); }
.badge-unpaid { background: #fbe7e6; color: var(--danger); }
.badge-advance-received { background: #fdecd2; color: #92600a; }
.badge-paid, .badge-delivered { background: #e3f3ea; color: var(--success); }
.badge-pending { background: #eee; color: var(--muted); }
.badge-dispatched, .badge-closed { background: #e0ecf7; color: var(--primary-dark); }
.badge-partially-dispatched { background: #fdecd2; color: #92600a; }

.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 14px; margin-bottom: 24px; }
.stat-box { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; }
.stat-value { font-size: 26px; font-weight: 700; }
.stat-label { font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.04em; }

.form-group { margin-bottom: 14px; }
.form-group label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 5px; }
.form-group input, .form-group select, .form-group textarea {
    width: 100%; padding: 8px 10px; border: 1px solid var(--border); border-radius: var(--radius); font-size: 14px;
    font-family: inherit;
}
.form-row { display: flex; gap: 14px; }
.form-row .form-group { flex: 1; }
.checkbox-row { display: flex; align-items: center; gap: 8px; }
.checkbox-row input { width: auto; }

.flash-wrap { margin-bottom: 16px; }
.flash-wrap.centered { max-width: 400px; margin: 24px auto 0; }
.flash { padding: 10px 14px; border-radius: var(--radius); margin-bottom: 8px; font-size: 14px; }
.flash-success { background: #e3f3ea; color: var(--success); }
.flash-danger { background: #fbe7e6; color: var(--danger); }
.flash-info { background: #e0ecf7; color: var(--primary-dark); }

.auth-wrap { max-width: 380px; margin: 80px auto; padding: 32px; background: #fff; border-radius: var(--radius); border: 1px solid var(--border); }
.auth-wrap h1 { text-align: center; }
.auth-links { text-align: center; margin-top: 14px; font-size: 13px; }

.pipeline-board { display: flex; gap: 14px; overflow-x: auto; padding-bottom: 10px; }
.pipeline-column { min-width: 230px; background: #eef0f3; border-radius: var(--radius); padding: 10px; flex-shrink: 0; }
.pipeline-column h3 { font-size: 13px; text-transform: uppercase; letter-spacing: 0.04em; color: var(--muted); margin: 4px 6px 10px; }
.deal-card { background: #fff; border: 1px solid var(--border); border-radius: 6px; padding: 10px; margin-bottom: 8px; font-size: 13px; }
.deal-card .deal-title { font-weight: 600; display: block; margin-bottom: 4px; }
.deal-card .deal-value { color: var(--muted); font-size: 12px; }

.line-items-table input { padding: 6px 8px; }
.quote-total { font-size: 18px; font-weight: 700; text-align: right; margin-top: 10px; }

.empty-state { color: var(--muted); padding: 30px; text-align: center; }

.detail-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 18px; }