:root {
    --bg: #f5f7fa;
    --panel: #ffffff;
    --text: #17202a;
    --muted: #6b7280;
    --line: #d9dee7;
    --brand: #1769aa;
    --brand-dark: #0f4f82;
    --danger: #c2410c;
    --warning: #a16207;
    --success: #047857;
}

* {
    box-sizing: border-box;
}

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

a {
    color: var(--brand);
    text-decoration: none;
}

.sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    width: 230px;
    background: #102335;
    color: #fff;
    padding: 24px;
}

.sidebar strong {
    display: block;
    margin-bottom: 28px;
    font-size: 18px;
}

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

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

.sidebar a:hover {
    background: rgba(255, 255, 255, .08);
}

.main {
    margin-left: 230px;
    padding: 28px;
}

.topbar {
    margin-bottom: 22px;
}

.topbar h1,
h2,
h3 {
    margin: 0 0 14px;
    letter-spacing: 0;
}

.metrics {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
    margin-bottom: 18px;
}

.metrics article,
.panel,
.action-card {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 8px;
}

.metrics article {
    padding: 18px;
}

.metrics span,
.muted {
    color: var(--muted);
    font-size: 14px;
}

.metrics strong {
    display: block;
    margin-top: 8px;
    font-size: 28px;
}

.panel {
    padding: 20px;
    margin-bottom: 18px;
}

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

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

table {
    width: 100%;
    border-collapse: collapse;
}

th,
td {
    padding: 12px 10px;
    border-bottom: 1px solid var(--line);
    text-align: left;
    vertical-align: top;
}

th {
    color: var(--muted);
    font-size: 13px;
    font-weight: 700;
}

.filters,
.upload,
.stack {
    display: flex;
    gap: 10px;
    align-items: end;
    flex-wrap: wrap;
}

.stack {
    display: grid;
    align-items: stretch;
}

input,
select,
textarea,
button,
.button,
.icon-button {
    min-height: 40px;
    border: 1px solid var(--line);
    border-radius: 6px;
    padding: 9px 12px;
    font: inherit;
}

input,
select,
textarea {
    background: #fff;
}

button,
.button,
.icon-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--brand);
    color: #fff;
    border-color: var(--brand);
    cursor: pointer;
}

button:hover,
.button:hover,
.icon-button:hover {
    background: var(--brand-dark);
}

.badge {
    display: inline-flex;
    align-items: center;
    min-height: 24px;
    padding: 3px 8px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 700;
}

.badge-alta {
    color: #7c2d12;
    background: #ffedd5;
}

.badge-media {
    color: #713f12;
    background: #fef3c7;
}

.badge-baja {
    color: #064e3b;
    background: #d1fae5;
}

.cards-list {
    display: grid;
    gap: 10px;
}

.action-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 16px;
    color: var(--text);
}

.action-card span,
.action-card p {
    display: block;
    margin: 6px 0 0;
    color: var(--muted);
}

.detail-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(320px, .8fr);
    gap: 18px;
}

.facts {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    margin: 0 0 20px;
}

.facts div {
    border-bottom: 1px solid var(--line);
    padding-bottom: 10px;
}

.facts dt {
    color: var(--muted);
    font-size: 13px;
}

.facts dd {
    margin: 4px 0 0;
    font-weight: 700;
}

.template,
.timeline-item {
    border-top: 1px solid var(--line);
    padding: 14px 0;
}

.template p,
.timeline-item p {
    color: var(--muted);
}

.note {
    max-width: 260px;
}

.notice {
    margin-bottom: 18px;
    border: 1px solid #bbf7d0;
    background: #f0fdf4;
    color: #166534;
    padding: 14px;
    border-radius: 8px;
}

.notice-warning {
    border-color: #fde68a;
    background: #fffbeb;
    color: #92400e;
}

.shell {
    max-width: 720px;
    margin: 60px auto;
    padding: 0 18px;
}

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

    .sidebar nav {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }

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

    .metrics,
    .detail-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 560px) {
    .sidebar {
        padding: 16px;
    }

    .sidebar nav {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .filters > *,
    .upload > *,
    button {
        width: 100%;
    }

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