:root {
    --bg-dark: #0a0b0d;
    --card-bg: #131519;
    --surface-1: #0d0f12;
    --surface-2: #181b20;
    --surface-3: #08090a;
    --border-color: rgba(255, 255, 255, 0.1);
    --sva-green: #00e676;
    --sva-green-dark: #00c853;
    --warning-amber: #f1c40f;
    --danger-red: #e74c3c;
    --text-main: #ffffff;
    --text-muted: #8e959f;
    --text-body: #e2e8f0;
    --accent-info: #5dade2;
    --radius: 12px;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
}

h1, h2, h3 { margin: 0; }
button { font-family: inherit; }

/* ---------------- Login ---------------- */
.login-view {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 18px;
    padding: 24px;
}

.login-card {
    width: 100%;
    max-width: 400px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 28px 26px;
    box-shadow: 0 18px 50px rgba(0, 0, 0, 0.5);
}

.brand { display: flex; align-items: center; gap: 12px; }
.brand-logo {
    max-height: 48px; width: auto; flex: none; display: block;
    border-radius: 10px;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.5));
}
.brand h1 { font-size: 1.15rem; font-weight: 800; letter-spacing: -0.01em; }
.brand h1 span { color: var(--sva-green); }
.brand p { margin: 2px 0 0; font-size: 0.72rem; color: var(--text-muted); font-weight: 600; }
.brand.compact .brand-logo { max-height: 40px; }
.brand.compact h1 { font-size: 1rem; }

.login-blurb {
    font-size: 0.82rem; color: var(--text-muted); line-height: 1.55;
    margin: 18px 0 20px;
}

#loginForm { display: flex; flex-direction: column; gap: 6px; }
#loginForm label {
    font-size: 0.72rem; font-weight: 700; text-transform: uppercase;
    letter-spacing: 0.5px; color: var(--text-muted); margin-top: 8px;
}
input[type="email"], input[type="password"], input[type="search"] {
    width: 100%; padding: 12px 13px;
    background: var(--surface-3);
    border: 1px solid var(--border-color);
    border-radius: 9px; color: var(--text-main);
    font-size: 0.92rem; outline: none;
}
input:focus { border-color: var(--sva-green); }

.btn-primary {
    margin-top: 18px; padding: 13px;
    background: var(--sva-green); color: #04140a;
    border: none; border-radius: 9px;
    font-weight: 800; font-size: 0.92rem; cursor: pointer;
}
.btn-primary:active { transform: scale(0.98); }
.btn-primary[disabled] { opacity: 0.55; cursor: default; }

.login-error {
    margin-top: 14px; padding: 10px 12px;
    background: rgba(231, 76, 60, 0.12);
    border: 1px solid rgba(231, 76, 60, 0.4);
    border-radius: 8px; color: #ff8a80;
    font-size: 0.8rem; line-height: 1.5;
}
.link-btn {
    display: block; margin: 16px auto 0; background: none; border: none;
    color: var(--text-muted); font-size: 0.78rem; cursor: pointer; text-decoration: underline;
}
.login-foot { font-size: 0.72rem; color: var(--text-muted); }

/* ---------------- App shell ---------------- */
.topbar {
    position: sticky; top: 0; z-index: 10;
    display: flex; align-items: center; justify-content: space-between;
    gap: 12px; padding: 14px 20px;
    background: var(--surface-2);
    border-bottom: 2px solid var(--sva-green);
    box-shadow: 0 2px 16px rgba(0, 0, 0, 0.4);
}
.topbar-right { display: flex; align-items: center; gap: 12px; }
.user-email { font-size: 0.78rem; color: var(--text-muted); }
.btn-ghost {
    background: var(--surface-3); border: 1px solid var(--border-color);
    color: var(--text-main); font-weight: 700; font-size: 0.78rem;
    padding: 8px 12px; border-radius: 8px; cursor: pointer;
}
.btn-ghost:active { transform: scale(0.96); }

.content {
    max-width: 900px; margin: 0 auto; padding: 20px 16px 60px;
}

.summary {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 12px; margin-bottom: 20px;
}
.stat {
    background: var(--card-bg); border: 1px solid var(--border-color);
    border-radius: var(--radius); padding: 14px 16px;
}
.stat .stat-label {
    font-size: 0.68rem; font-weight: 800; text-transform: uppercase;
    letter-spacing: 0.6px; color: var(--text-muted);
}
.stat .stat-value {
    font-size: 1.5rem; font-weight: 800; margin-top: 6px;
    font-variant-numeric: tabular-nums;
}
.stat .stat-value.green { color: var(--sva-green); }
.stat .stat-value.amber { color: var(--warning-amber); }

.panel {
    background: var(--card-bg); border: 1px solid var(--border-color);
    border-radius: var(--radius); overflow: hidden;
}
.panel-head {
    display: flex; align-items: center; justify-content: space-between;
    gap: 12px; padding: 16px 18px; border-bottom: 1px solid var(--border-color);
}
.panel-head h2 { font-size: 1rem; font-weight: 800; }
.panel-head .search { max-width: 260px; }

/* ---------------- Tabs ---------------- */
.tabs {
    display: flex; gap: 6px; margin-bottom: 18px; width: fit-content;
    background: var(--surface-1); border: 1px solid var(--border-color);
    border-radius: 10px; padding: 4px;
}
.tab {
    background: none; border: none; color: var(--text-muted);
    font-weight: 800; font-size: 0.82rem; padding: 8px 18px;
    border-radius: 7px; cursor: pointer;
}
.tab.active { background: var(--sva-green); color: #04140a; }
.tab:not(.active):hover { color: var(--text-main); }

/* ---------------- Analytics ---------------- */
#anPeriod {
    padding: 9px 12px; background: var(--surface-3);
    border: 1px solid var(--border-color); border-radius: 8px;
    color: var(--text-main); font-size: 0.82rem; font-weight: 700;
    font-family: inherit; outline: none; cursor: pointer;
}
.panel-note {
    margin: 0; padding: 12px 18px; font-size: 0.78rem; color: var(--text-muted);
    border-bottom: 1px solid var(--border-color);
}
#analyticsTab .form-group-title { padding: 0 18px; }
.bars { padding: 4px 18px 20px; display: flex; flex-direction: column; gap: 15px; }
.bar-top { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; margin-bottom: 6px; }
.bar-label { font-size: 0.82rem; font-weight: 700; color: var(--text-main); }
.bar-val { font-size: 0.76rem; color: var(--text-muted); font-variant-numeric: tabular-nums; white-space: nowrap; }
.bar-track { height: 8px; border-radius: 999px; background: var(--surface-3); overflow: hidden; }
.bar-fill { height: 100%; border-radius: 999px; background: linear-gradient(90deg, var(--sva-green-dark), var(--sva-green)); }

.jobs-list { display: flex; flex-direction: column; }
.loading, .empty {
    padding: 30px 18px; text-align: center;
    color: var(--text-muted); font-size: 0.85rem;
}

.job-row {
    display: flex; align-items: center; gap: 14px;
    padding: 14px 18px; border-bottom: 1px solid var(--border-color);
    cursor: pointer; transition: background 0.15s;
}
.job-row:last-child { border-bottom: none; }
.job-row:hover { background: var(--surface-1); }
.job-main { flex: 1; min-width: 0; }
.job-ref { font-weight: 800; font-size: 0.85rem; color: var(--sva-green); }
.job-sub {
    font-size: 0.8rem; color: var(--text-body); margin-top: 3px;
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.job-meta { font-size: 0.72rem; color: var(--text-muted); margin-top: 3px; }
.job-amount { text-align: right; flex: none; }
.job-amount .amt {
    font-weight: 800; font-size: 1rem; font-variant-numeric: tabular-nums;
}
.badge {
    display: inline-block; margin-top: 5px; padding: 2px 8px;
    border-radius: 999px; font-size: 0.64rem; font-weight: 800;
    text-transform: uppercase; letter-spacing: 0.4px;
}
.badge.paid { background: rgba(0, 230, 118, 0.15); color: var(--sva-green); border: 1px solid rgba(0, 230, 118, 0.35); }
.badge.unpaid { background: rgba(241, 196, 15, 0.12); color: var(--warning-amber); border: 1px solid rgba(241, 196, 15, 0.35); }
.badge.partial { background: rgba(93, 173, 226, 0.14); color: var(--accent-info); border: 1px solid rgba(93, 173, 226, 0.35); }

/* ---------------- Detail / invoice ---------------- */
.detail-overlay {
    position: fixed; inset: 0; z-index: 50;
    background: rgba(0, 0, 0, 0.75);
    display: flex; justify-content: center;
    padding: 20px; overflow-y: auto;
}
.detail-sheet {
    width: 100%; max-width: 760px;
    background: var(--card-bg); border: 1px solid var(--border-color);
    border-radius: 14px; padding: 18px 20px 26px; height: fit-content;
    margin: auto;
}
.detail-actions {
    display: flex; justify-content: space-between; gap: 10px; margin-bottom: 16px;
}
.detail-body { color: var(--text-body); }

/* The white "paper" that holds the app's invoice, matching the app's own
   invoice preview card (dark header bar + white body). */
.invoice-paper {
    background: #ffffff; color: #1a1a1a;
    border-radius: 12px; overflow: hidden;
    max-width: 600px; margin: 0 auto;
}
.inv-bar {
    background: #1a2332; padding: 18px 24px;
    display: flex; justify-content: space-between; align-items: center; gap: 12px;
}
.inv-bar h3 { color: #ffffff; font-size: 1rem; }
.inv-bar .inv-ref { color: #9aa4b2; font-size: 0.8rem; font-weight: 600; }
.inv-content {
    padding: 24px;
    font-family: 'Segoe UI', Arial, sans-serif;
    font-size: 13px; line-height: 1.5;
}
.inv-content img { max-width: 100%; }
.inv-content table { width: 100%; border-collapse: collapse; }

/* ---------------- New job builder ---------------- */
.builder-sheet { max-width: 720px; }
.builder-title { font-size: 1.15rem; font-weight: 800; margin: 4px 0 16px; }
.form-group-title {
    font-size: 0.7rem; font-weight: 800; text-transform: uppercase;
    letter-spacing: 0.6px; color: var(--sva-green); margin: 22px 0 10px;
}
.form-grid { display: grid; gap: 10px 12px; }
.form-grid.two { grid-template-columns: 1fr 1fr; }
.form-grid.three { grid-template-columns: repeat(3, 1fr); }
.field {
    display: flex; flex-direction: column; gap: 5px;
    font-size: 0.7rem; font-weight: 700; text-transform: uppercase;
    letter-spacing: 0.4px; color: var(--text-muted);
}
.field input, .field select, .field textarea {
    width: 100%; padding: 10px 12px;
    background: var(--surface-3); border: 1px solid var(--border-color);
    border-radius: 8px; color: var(--text-main); font-size: 0.9rem;
    font-weight: 400; text-transform: none; letter-spacing: normal;
    font-family: inherit; outline: none;
}
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--sva-green); }
.field textarea { resize: vertical; }


.builder-totals {
    margin-top: 16px; padding: 14px 16px;
    background: var(--surface-1); border: 1px solid var(--border-color);
    border-radius: var(--radius);
}
.builder-totals .row {
    display: flex; justify-content: space-between; padding: 4px 0;
    font-size: 0.85rem; color: var(--text-muted);
}
.builder-totals .row.grand {
    border-top: 1px solid var(--border-color); margin-top: 6px; padding-top: 10px;
    font-size: 1.05rem; font-weight: 800; color: var(--text-main);
}
.builder-totals .row.grand .amt { color: var(--sva-green); }

.panel-actions { display: flex; align-items: center; gap: 10px; }

@media (max-width: 560px) {
    .panel-head { flex-direction: column; align-items: stretch; }
    .panel-head .search { max-width: none; }
    .panel-actions { width: 100%; }
    .panel-actions .search { flex: 1; }
    .form-grid.two, .form-grid.three { grid-template-columns: 1fr; }
    .inv-content div[style*="grid-template-columns"] { grid-template-columns: 1fr !important; }
}
@media print {
    body { background: #fff; color: #000; }
    .topbar, .detail-actions, .summary, .panel { display: none !important; }
    .detail-overlay { position: static; background: none; padding: 0; }
    .detail-sheet { border: none; box-shadow: none; max-width: none; background: #fff; padding: 0; }
    .invoice-paper { border-radius: 0; max-width: none; }
}