:root {
    --navy: #12314a;
    --navy-2: #0d2438;
    --teal: #13b8b4;
    --ink: #172331;
    --muted: #657487;
    --line: #d9e2ec;
    --bg: #f4f7fa;
    --panel: #ffffff;
    --danger: #b42318;
    --ok: #107c41;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    background: var(--bg);
    color: var(--ink);
    font-family: Arial, Helvetica, sans-serif;
}

a {
    color: var(--navy);
    font-weight: 700;
    text-decoration: none;
}

.sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    width: 260px;
    background: var(--navy-2);
    color: white;
    padding: 22px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand small {
    display: block;
    color: #b9c9d7;
    margin-top: 3px;
}

.brand-mark {
    width: 44px;
    height: 44px;
    display: grid;
    place-items: center;
    border-radius: 8px;
    background: var(--teal);
    color: var(--navy-2);
    font-weight: 800;
}

.brand-mark.large {
    width: 64px;
    height: 64px;
    margin: 0 auto 16px;
}

.login-logo {
    display: block;
    width: min(300px, 72vw);
    max-height: 230px;
    height: auto;
    object-fit: contain;
    margin: 0 auto 18px;
    border-radius: 8px;
}

nav {
    display: grid;
    gap: 8px;
}

nav a,
.logout button {
    width: 100%;
    border: 0;
    border-radius: 8px;
    color: white;
    background: transparent;
    padding: 12px;
    text-align: left;
    font: inherit;
}

nav a:hover,
.logout button:hover {
    background: rgba(255, 255, 255, 0.1);
}

.logout {
    margin-top: auto;
}

.main {
    margin-left: 260px;
    padding: 28px;
}

.auth-main {
    margin-left: 0;
    min-height: 100vh;
    display: grid;
    place-items: center;
}

.public-main {
    margin-left: 0;
    padding: 0;
}

.topbar {
    margin-bottom: 20px;
}

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

.topbar p {
    margin: 6px 0 0;
    color: var(--muted);
}

.panel,
.stat {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 18px;
    box-shadow: 0 10px 30px rgba(18, 49, 74, 0.05);
}

.panel {
    margin-bottom: 18px;
    overflow-x: auto;
}

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

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
    margin-bottom: 18px;
}

.stat strong {
    display: block;
    font-size: 32px;
    color: var(--navy);
}

.stat span {
    color: var(--muted);
}

.section-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

table {
    width: 100%;
    border-collapse: collapse;
    min-width: 680px;
}

th,
td {
    border-bottom: 1px solid var(--line);
    padding: 11px 10px;
    text-align: left;
    vertical-align: top;
}

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

.grid-form {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
    align-items: end;
}

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

label {
    display: grid;
    gap: 6px;
    color: var(--muted);
    font-size: 13px;
    font-weight: 700;
}

input,
select {
    min-height: 42px;
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 9px 10px;
    font: inherit;
    color: var(--ink);
    background: white;
}

button {
    min-height: 42px;
    border: 0;
    border-radius: 8px;
    padding: 10px 14px;
    background: var(--teal);
    color: var(--navy-2);
    font-weight: 800;
    cursor: pointer;
}

.wide {
    grid-column: span 2;
}

.check-row {
    min-height: 42px;
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--ink);
}

.check-row input {
    min-height: auto;
    width: 18px;
    height: 18px;
}

.compact-cell input[type="checkbox"] {
    min-height: auto;
    width: 18px;
    height: 18px;
}

.alert {
    border-radius: 8px;
    padding: 12px 14px;
    margin-bottom: 14px;
    font-weight: 700;
}

.alert.ok {
    background: #e7f6ee;
    color: var(--ok);
}

.alert.error {
    background: #fdecea;
    color: var(--danger);
}

.login-panel {
    width: min(980px, calc(100vw - 32px));
    display: grid;
    grid-template-columns: minmax(320px, 1fr) 390px;
    gap: 24px;
    align-items: center;
}

.login-brand {
    color: var(--navy);
    text-align: center;
}

.login-brand h1 {
    margin: 0;
    font-size: 42px;
}

.login-brand p {
    margin: 10px auto 0;
    color: var(--muted);
    max-width: 360px;
}

.manual-hero {
    background: var(--navy-2);
    color: white;
    padding: 34px 28px 40px;
}

.manual-hero .brand {
    max-width: 1040px;
    margin: 0 auto 28px;
}

.manual-hero h1,
.manual-hero p,
.manual-actions {
    max-width: 1040px;
    margin-left: auto;
    margin-right: auto;
}

.manual-hero h1 {
    margin-top: 0;
    margin-bottom: 12px;
    font-size: 36px;
}

.manual-hero p {
    color: #c7d8e6;
    font-size: 17px;
    line-height: 1.6;
}

.manual-actions {
    margin-top: 20px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.manual-actions a {
    display: inline-block;
    border-radius: 8px;
    background: var(--teal);
    color: var(--navy-2);
    padding: 10px 14px;
    font-weight: 800;
}

.manual-actions a.secondary {
    background: white;
    color: var(--navy);
}

.manual-doc {
    width: min(1040px, calc(100vw - 32px));
    margin: 24px auto 48px;
}

.manual-section {
    overflow-x: visible;
}

.manual-section h2 {
    color: var(--navy);
    font-size: 22px;
    border-bottom: 2px solid var(--teal);
    padding-bottom: 8px;
}

.manual-section h3 {
    margin: 18px 0 6px;
    color: var(--navy);
    font-size: 16px;
}

.manual-section p {
    margin: 10px 0;
    color: var(--ink);
    line-height: 1.6;
}

.manual-section ul,
.manual-section ol {
    margin: 10px 0 0;
    padding-left: 22px;
    line-height: 1.6;
}

.manual-section li {
    margin: 6px 0;
}

.manual-toc {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
}

.manual-toc a,
.manual-chip {
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #f8fbfd;
    padding: 11px 12px;
    color: var(--navy);
    font-weight: 800;
}

.manual-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
    margin-top: 14px;
}

.manual-card {
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #f8fbfd;
    padding: 14px;
}

.manual-card h3 {
    margin-top: 0;
}

.manual-flow {
    display: grid;
    grid-template-columns: repeat(7, minmax(0, 1fr));
    gap: 8px;
    margin: 18px 0;
}

.manual-flow span {
    min-height: 58px;
    display: grid;
    place-items: center;
    text-align: center;
    border-radius: 8px;
    background: var(--navy);
    color: white;
    padding: 8px;
    font-size: 13px;
    font-weight: 800;
}

.manual-case {
    border-left: 4px solid var(--teal);
}

.manual-case dl {
    display: grid;
    grid-template-columns: 160px minmax(0, 1fr);
    gap: 8px 14px;
    margin: 0;
}

.manual-case dt {
    color: var(--navy);
    font-weight: 800;
}

.manual-case dd {
    margin: 0;
    line-height: 1.55;
}

.manual-note {
    border: 1px solid #b9e7e5;
    border-radius: 8px;
    background: #eaf9f8;
    color: var(--navy);
    padding: 14px;
    margin: 14px 0;
    line-height: 1.6;
}

.back-top {
    position: fixed;
    right: 18px;
    bottom: 18px;
    z-index: 20;
    border-radius: 8px;
    background: var(--teal);
    color: var(--navy-2);
    padding: 10px 12px;
    box-shadow: 0 10px 28px rgba(18, 49, 74, 0.18);
}

@media (max-width: 900px) {
    .sidebar {
        position: static;
        width: auto;
    }

    .main {
        margin-left: 0;
        padding: 18px;
    }

    .public-main {
        padding: 0;
    }

    .manual-hero {
        padding: 24px 18px 30px;
    }

    .manual-hero h1 {
        font-size: 28px;
    }

    .manual-toc,
    .manual-grid,
    .manual-flow {
        grid-template-columns: 1fr;
    }

    .manual-case dl {
        grid-template-columns: 1fr;
    }

    .stats-grid,
    .login-panel {
        grid-template-columns: 1fr;
    }

    .grid-form {
        grid-template-columns: 1fr;
    }

    .wide {
        grid-column: auto;
    }
}