:root {
    --bg: #f6f7fb;
    --panel: #ffffff;
    --text: #111827;
    --muted: #6b7280;
    --line: #dbe2ea;
    --brand: #2563eb;
    --brand-dark: #1e40af;
    --ok: #0f766e;
    --danger: #b91c1c;
}

* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    background: var(--bg);
    color: var(--text);
}
a { color: inherit; }
.auth-shell {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 24px;
}
.auth-card {
    width: min(460px, 100%);
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 28px;
    box-shadow: 0 20px 60px rgba(15, 23, 42, .08);
}
.auth-intro h1 { margin: 8px 0; font-size: 28px; line-height: 1.15; }
.auth-intro p, .muted { color: var(--muted); }
.app-shell {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 260px 1fr;
}
.sidebar {
    background: #101827;
    color: #fff;
    padding: 22px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}
.brand-mark {
    display: flex;
    align-items: center;
    gap: 10px;
}
.brand-mark span {
    display: grid;
    place-items: center;
    width: 40px;
    height: 40px;
    border-radius: 8px;
    background: var(--brand);
    font-weight: 700;
}
.nav { display: grid; gap: 6px; }
.nav a, .logout-form button {
    border: 0;
    border-radius: 6px;
    color: #e5e7eb;
    background: transparent;
    text-align: left;
    padding: 10px 12px;
    text-decoration: none;
    font: inherit;
    cursor: pointer;
}
.nav a:hover, .logout-form button:hover { background: rgba(255,255,255,.08); }
.nav .disabled { opacity: .45; cursor: default; }
.logout-form { margin-top: auto; }
.main {
    padding: 28px;
    max-width: 1180px;
    width: 100%;
}
.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    margin-bottom: 22px;
}
.topbar h1 { margin: 4px 0 0; }
.eyebrow {
    color: var(--brand);
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .04em;
}
.user-chip, .status-pill {
    border: 1px solid var(--line);
    border-radius: 999px;
    background: #fff;
    padding: 8px 12px;
    color: var(--muted);
}
.grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
    margin-bottom: 16px;
}
.panel {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 20px;
}
.panel h2 { margin: 8px 0; }
.highlight {
    border-color: rgba(37, 99, 235, .35);
    background: #f8fbff;
}
.metric {
    display: block;
    font-size: 48px;
    line-height: 1;
    margin: 12px 0;
}
.metric.small { font-size: 34px; }
.button-link, .primary-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    border: 0;
    border-radius: 6px;
    background: var(--brand);
    color: #fff;
    padding: 0 16px;
    text-decoration: none;
    font-weight: 700;
    cursor: pointer;
}
.primary-button:hover, .button-link:hover { background: var(--brand-dark); }
.google-button {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    min-height: 44px;
    border: 1px solid var(--line);
    border-radius: 6px;
    background: #fff;
    color: var(--text);
    text-decoration: none;
    font-weight: 700;
    margin: 18px 0 14px;
}
.google-button:hover { border-color: #b8c2cf; background: #f9fafb; }
.google-icon {
    display: grid;
    place-items: center;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    border: 1px solid var(--line);
    font-weight: 800;
    color: #4285f4;
}
.auth-divider {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--muted);
    font-size: 13px;
    margin-bottom: 14px;
}
.auth-divider::before,
.auth-divider::after {
    content: "";
    height: 1px;
    flex: 1;
    background: var(--line);
}
.form, .form-grid { display: grid; gap: 14px; }
.form-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}
.wide { grid-column: 1 / -1; }
label {
    display: grid;
    gap: 6px;
    color: #374151;
    font-weight: 700;
}
input, textarea {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: 6px;
    padding: 11px 12px;
    font: inherit;
    color: var(--text);
    background: #fff;
}
textarea { resize: vertical; }
.form-actions { display: flex; justify-content: flex-end; }
.alert {
    border-radius: 6px;
    padding: 12px 14px;
    margin-bottom: 16px;
}
.alert.success { color: var(--ok); background: #ecfdf5; border: 1px solid #99f6e4; }
.alert.error { color: var(--danger); background: #fef2f2; border: 1px solid #fecaca; }
.timeline {
    display: grid;
    gap: 10px;
}
.timeline div {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    border-bottom: 1px solid var(--line);
    padding-bottom: 10px;
}
.timeline span { color: var(--muted); }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td {
    padding: 10px;
    border-bottom: 1px solid var(--line);
    text-align: left;
}

@media (max-width: 860px) {
    .app-shell { grid-template-columns: 1fr; }
    .sidebar { position: static; }
    .grid, .form-grid { grid-template-columns: 1fr; }
    .topbar { align-items: flex-start; flex-direction: column; }
}