:root {
    --bg: #0D1117;
    --bg-secondary: #161B22;
    --card: #1F2633;
    --border: #30363D;
    --primary: #2F80ED;
    --secondary: #56CCF2;
    --green: #27AE60;
    --warning: #F2C94C;
    --danger: #EB5757;
    --text: #FFFFFF;
    --text-secondary: #C9D1D9;
    --text-disabled: #8B949E;
}

* {
    box-sizing: border-box;
}

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

.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 24px;
    border-bottom: 1px solid var(--border);
}

.brand {
    font-size: 20px;
    font-weight: 700;
}

.muted {
    color: var(--text-secondary);
}

.small {
    font-size: 12px;
}

.logout {
    color: var(--text-secondary);
    text-decoration: none;
}

.logout:hover {
    color: var(--text);
}

main {
    max-width: 720px;
    margin: 0 auto;
    padding: 24px;
}

h1 {
    font-size: 26px;
    margin: 8px 0 4px;
}

h2 {
    font-size: 18px;
    margin: 24px 0 8px;
}

.back {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
}

.back:hover {
    color: var(--text);
}

.login-card {
    max-width: 360px;
    margin: 80px auto;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 24px;
    text-align: center;
}

.error {
    color: var(--danger);
}

form input {
    width: 100%;
    padding: 10px 12px;
    margin: 12px 0;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: var(--bg-secondary);
    color: var(--text);
    font-size: 15px;
}

form button {
    width: 100%;
    padding: 10px 12px;
    border-radius: 10px;
    border: none;
    background: var(--primary);
    color: #fff;
    font-weight: 700;
    font-size: 15px;
    cursor: pointer;
}

form button:hover {
    opacity: 0.9;
}

form button.btn-danger {
    width: auto;
    background: transparent;
    color: var(--danger);
    border: 1px solid var(--danger);
    padding: 8px 16px;
    font-size: 13px;
}

form button.btn-danger:hover {
    background: var(--danger);
    color: #fff;
    opacity: 1;
}

.device-list,
.report-list,
.category-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.device-card,
.report-row {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 14px 16px;
    text-decoration: none;
    color: var(--text);
}

.device-card:hover,
.report-row:hover {
    border-color: var(--primary);
}

.status-dot {
    width: 6px;
    align-self: stretch;
    border-radius: 3px;
    flex-shrink: 0;
}

.status-green .status-dot {
    background: var(--green);
}

.status-yellow .status-dot {
    background: var(--warning);
}

.status-red .status-dot {
    background: var(--danger);
}

.status-none .status-dot {
    background: var(--text-disabled);
}

.device-info,
.report-info {
    flex: 1;
}

.device-label,
.report-title,
.category-title {
    font-weight: 700;
}

.status-badge {
    font-size: 12px;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 6px;
    background: var(--bg-secondary);
    color: var(--text-secondary);
}

.category {
    display: flex;
    gap: 12px;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 14px 16px;
}

.finding {
    margin-top: 6px;
    font-size: 14px;
    color: var(--text-secondary);
}

.finding-severity {
    text-transform: uppercase;
    font-size: 11px;
    color: var(--text-disabled);
}

.flag-badge {
    font-size: 11px;
    font-weight: 700;
    color: var(--warning);
    border: 1px solid var(--warning);
    border-radius: 6px;
    padding: 1px 6px;
    margin-left: 6px;
    white-space: nowrap;
}

.flag-banner {
    background: var(--bg-secondary);
    border: 1px solid var(--warning);
    color: var(--warning);
    border-radius: 10px;
    padding: 10px 14px;
    margin-bottom: 16px;
    font-size: 13px;
}

.qr-card {
    background: #fff;
    border-radius: 12px;
    padding: 20px;
    width: fit-content;
    margin: 16px 0;
}

.qr-card img {
    display: block;
}