:root {
    --bg: #f4f6f8;
    --panel: #ffffff;
    --text: #17202a;
    --muted: #667085;
    --line: #d8dee6;
    --primary: #126b5a;
    --primary-dark: #0d4f43;
    --danger: #b42318;
    --success: #087443;
    --warning: #b54708;
    --ink: #0f172a;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: Arial, Helvetica, sans-serif;
    font-size: 15px;
}

a { color: inherit; text-decoration: none; }

button, input {
    font: inherit;
}

button {
    border: 0;
    background: var(--primary);
    color: #fff;
    padding: 11px 14px;
    border-radius: 6px;
    cursor: pointer;
}

button:hover { background: var(--primary-dark); }

input {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: 6px;
    padding: 10px 11px;
    background: #fff;
}

select {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: 6px;
    padding: 10px 11px;
    background: #fff;
    font: inherit;
}

label {
    display: grid;
    gap: 6px;
    color: var(--muted);
    font-size: 13px;
}

table {
    width: 100%;
    border-collapse: collapse;
    min-width: 760px;
}

th, td {
    padding: 12px;
    border-bottom: 1px solid var(--line);
    text-align: left;
    vertical-align: top;
}

th {
    color: var(--muted);
    font-size: 12px;
    text-transform: uppercase;
}

.app-shell {
    display: grid;
    grid-template-columns: 260px minmax(0, 1fr);
    min-height: 100vh;
}

.sidebar {
    background: var(--ink);
    color: #f8fafc;
    padding: 20px 16px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 24px;
}

.brand span, .brand-mark {
    display: inline-grid;
    place-items: center;
    width: 38px;
    height: 38px;
    border-radius: 6px;
    background: var(--primary);
    color: #fff;
    font-weight: 800;
}

.sidebar nav {
    display: grid;
    gap: 4px;
}

.sidebar nav a {
    padding: 10px 12px;
    border-radius: 6px;
    color: #cbd5e1;
}

.sidebar nav a:hover {
    background: #1e293b;
    color: #fff;
}

.content {
    padding: 24px;
    overflow-x: hidden;
}

.topbar {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    align-items: center;
    margin-bottom: 16px;
}

.topbar h1 {
    margin: 0;
    font-size: 28px;
    letter-spacing: 0;
}

.eyebrow {
    margin: 0 0 4px;
    color: var(--muted);
    text-transform: uppercase;
    font-size: 12px;
    font-weight: 700;
}

.user-box {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--muted);
}

.user-box a {
    color: var(--primary);
    font-weight: 700;
}

.notice, .alert {
    border: 1px solid var(--line);
    background: #fff;
    padding: 12px 14px;
    border-radius: 6px;
    margin-bottom: 16px;
}

.alert.success { border-color: #9de3bd; color: var(--success); }
.alert.danger { border-color: #f3b4ad; color: var(--danger); }
.notice.warning { border-color: #f6d7a7; color: var(--warning); }

.metric-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
    margin-bottom: 16px;
}

.metric-grid.compact {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.metric {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 16px;
    min-height: 94px;
}

.metric span {
    display: block;
    color: var(--muted);
    font-size: 13px;
    margin-bottom: 10px;
}

.metric strong {
    font-size: 24px;
    letter-spacing: 0;
}

.positive { color: var(--success); }
.negative { color: var(--danger); }

.two-columns {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
    margin-bottom: 16px;
}

.panel, .signal-card {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 16px;
    margin-bottom: 16px;
}

.panel h2, .signal-card h2 {
    margin: 0 0 14px;
    font-size: 18px;
}

.table-wrap {
    overflow-x: auto;
}

.list-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 10px 0;
    border-bottom: 1px solid var(--line);
}

.list-row:last-child { border-bottom: 0; }
.muted { color: var(--muted); }

.pill {
    display: inline-flex;
    align-items: center;
    min-height: 24px;
    padding: 3px 8px;
    border-radius: 999px;
    background: #edf2f7;
    color: #344054;
    font-size: 12px;
    font-weight: 700;
}

.signal-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.signal-card {
    margin-bottom: 0;
}

.signal-head {
    display: flex;
    justify-content: space-between;
    gap: 10px;
    align-items: center;
}

.score {
    display: inline-grid;
    place-items: center;
    width: 48px;
    height: 36px;
    border-radius: 6px;
    background: #e6f4ef;
    color: var(--primary-dark);
    font-weight: 800;
}

.signal-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 12px 0;
}

.signal-meta span {
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 5px 9px;
    color: #344054;
    font-size: 12px;
}

.form-grid {
    display: grid;
    gap: 12px;
}

.form-grid.wide {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: end;
}

.inline-form {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
    align-items: end;
}

.checklist-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}

.check-item {
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 12px;
    background: #fbfcfd;
}

.editable-table input,
.editable-table select {
    min-width: 150px;
}

.score-bars {
    display: grid;
    gap: 10px;
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 16px;
    margin-bottom: 16px;
}

.bar-row {
    display: grid;
    grid-template-columns: 140px 1fr 44px;
    align-items: center;
    gap: 10px;
}

.bar {
    height: 12px;
    background: #e5e7eb;
    border-radius: 999px;
    overflow: hidden;
}

.bar i {
    display: block;
    height: 100%;
    background: var(--primary);
}

.login-page {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 20px;
    background: #101828;
}

.login-shell {
    width: min(420px, 100%);
}

.login-panel {
    background: #fff;
    border-radius: 8px;
    padding: 28px;
}

.login-panel h1 {
    margin: 16px 0 6px;
}

.login-panel p {
    color: var(--muted);
    margin-bottom: 18px;
}

@media (max-width: 980px) {
    .app-shell { grid-template-columns: 1fr; }
    .sidebar { position: static; }
    .sidebar nav { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .metric-grid, .metric-grid.compact, .two-columns, .signal-grid, .form-grid.wide, .inline-form, .checklist-grid { grid-template-columns: 1fr; }
    .topbar { align-items: flex-start; flex-direction: column; }
}