:root {
    --bg: #f3f7fb;
    --panel: #ffffff;
    --panel-soft: #f8fbff;
    --text: #223246;
    --muted: #60748a;
    --border: #d9e4ef;
    --accent: #0f766e;
    --accent-2: #1d4ed8;
    --accent-soft: #e9f7f4;
    --warn: #8a5a00;
    --warn-soft: #fff4d6;
    --code: #0f172a;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: "Segoe UI", Tahoma, Arial, sans-serif;
    background: linear-gradient(180deg, #fbfdff 0%, var(--bg) 100%);
    color: var(--text);
}

a { color: var(--accent-2); }

.page {
    width: min(1380px, calc(100% - 32px));
    margin: 0 auto;
    padding: 24px 0 40px;
    display: grid;
    grid-template-columns: 270px minmax(0, 1fr);
    gap: 18px;
}

.sidebar,
.card {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 16px;
    box-shadow: 0 8px 24px rgba(15, 23, 42, .06);
}

.sidebar {
    position: sticky;
    top: 18px;
    align-self: start;
    padding: 18px;
}

.brand {
    margin-bottom: 18px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--border);
}

.brand h1 {
    margin: 0 0 8px;
    font-size: 1.15rem;
    color: var(--accent);
}

.brand p {
    margin: 0;
    color: var(--muted);
    line-height: 1.55;
    font-size: .94rem;
}

.nav-title {
    margin: 14px 0 8px;
    font-size: .82rem;
    letter-spacing: .06em;
    color: var(--muted);
    text-transform: uppercase;
    font-weight: 700;
}

.sidebar a {
    display: block;
    text-decoration: none;
    color: var(--text);
    font-weight: 600;
    font-size: .94rem;
    padding: 10px 12px;
    border-radius: 10px;
    margin-bottom: 6px;
}

.sidebar a:hover,
.sidebar a.active {
    background: var(--accent-soft);
    color: #115e59;
}

.content {
    display: grid;
    gap: 16px;
}

.hero {
    padding: 24px 26px;
    background:
        radial-gradient(circle at top right, rgba(15, 118, 110, .12), transparent 32%),
        linear-gradient(145deg, #ffffff 0%, #f7fcfb 100%);
}

.badge {
    display: inline-block;
    margin-bottom: 10px;
    padding: 7px 12px;
    border-radius: 999px;
    background: var(--accent-soft);
    color: #115e59;
    font-weight: 700;
    font-size: .83rem;
}

.hero h2 {
    margin: 0 0 10px;
    font-size: 2rem;
    line-height: 1.12;
}

.hero p {
    margin: 0;
    color: var(--muted);
    line-height: 1.7;
    max-width: 980px;
}

.hero-dashboard {
    display: grid;
    grid-template-columns: 1.6fr 1fr;
    gap: 18px;
    align-items: stretch;
}

.hero-main {
    display: grid;
    gap: 12px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.hero-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    padding: 0 16px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 700;
    border: 1px solid transparent;
}

.hero-button-primary {
    background: linear-gradient(135deg, #0f766e 0%, #115e59 100%);
    color: #fff;
}

.hero-button-secondary {
    background: #fff;
    color: #103047;
    border-color: var(--border);
}

.hero-panel {
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 18px;
    background:
        radial-gradient(circle at top right, rgba(29, 78, 216, .12), transparent 36%),
        #f8fbff;
}

.hero-panel-title {
    margin: 0 0 12px;
    font-size: .9rem;
    font-weight: 800;
    letter-spacing: .05em;
    text-transform: uppercase;
    color: var(--accent-2);
}

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

.hero-panel-item {
    padding: 12px 14px;
    border-radius: 12px;
    background: rgba(255,255,255,.85);
    border: 1px solid #dbe3ef;
}

.hero-panel-item strong {
    display: block;
    margin-bottom: 4px;
    color: #103047;
}

.hero-panel-item span {
    color: var(--muted);
    font-size: .93rem;
    line-height: 1.5;
}

.section {
    padding: 20px 22px;
}

.section h3 {
    margin: 0 0 12px;
    font-size: 1.2rem;
}

.section h4 {
    margin: 18px 0 8px;
    font-size: 1rem;
    color: var(--accent);
}

.section p {
    margin: 0 0 12px;
    color: var(--muted);
    line-height: 1.65;
}

.section ul,
.section ol {
    margin: 0 0 12px;
    padding-left: 20px;
}

.section li {
    margin-bottom: 8px;
    line-height: 1.55;
}

.two,
.three {
    display: grid;
    gap: 14px;
}

.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.mini {
    border: 1px solid var(--border);
    background: var(--panel-soft);
    border-radius: 14px;
    padding: 14px 15px;
}

.mini h4 {
    margin-top: 0;
}

.callout {
    padding: 14px 16px;
    border-left: 4px solid var(--accent);
    background: var(--accent-soft);
    border-radius: 12px;
    color: #144a46;
}

.warning {
    border-left-color: #d4a103;
    background: var(--warn-soft);
    color: var(--warn);
}

.code {
    background: var(--code);
    color: #e5edf8;
    border-radius: 14px;
    padding: 14px 16px;
    border: 1px solid #1e293b;
    font-size: .92rem;
    line-height: 1.6;
    overflow-x: auto;
}

pre {
    margin: 0;
    white-space: pre-wrap;
    word-break: break-word;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 8px;
}

th, td {
    border-bottom: 1px solid var(--border);
    text-align: left;
    padding: 12px 10px;
    vertical-align: top;
    font-size: .94rem;
}

th {
    background: #f8fbff;
}

.footer {
    font-size: .9rem;
    color: var(--muted);
}

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

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

.kpi-card {
    border: 1px solid var(--border);
    border-radius: 14px;
    background: linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
    padding: 16px;
}

.kpi-label {
    margin-bottom: 8px;
    color: var(--muted);
    font-size: .82rem;
    font-weight: 700;
    letter-spacing: .05em;
    text-transform: uppercase;
}

.kpi-value {
    font-size: 1.6rem;
    font-weight: 800;
    color: #103047;
    line-height: 1;
    margin-bottom: 6px;
}

.kpi-note {
    color: var(--muted);
    font-size: .92rem;
    line-height: 1.45;
}

.section-grid {
    display: grid;
    grid-template-columns: 1.3fr .9fr;
    gap: 14px;
}

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

.quick-item {
    display: block;
    text-decoration: none;
    padding: 14px 16px;
    border-radius: 12px;
    border: 1px solid var(--border);
    background: #fbfdff;
    color: inherit;
}

.quick-item:hover {
    background: var(--accent-soft);
    border-color: #b9d7d1;
}

.quick-item strong {
    display: block;
    margin-bottom: 4px;
    color: #103047;
}

.quick-item span {
    color: var(--muted);
    font-size: .93rem;
    line-height: 1.5;
}

.home-link {
    display: block;
    text-decoration: none;
    color: inherit;
    border: 1px solid var(--border);
    background: #fbfdff;
    border-radius: 14px;
    padding: 16px 16px;
}

.home-link:hover {
    border-color: #b9d7d1;
    background: var(--accent-soft);
}

.home-link strong {
    display: block;
    margin-bottom: 6px;
    color: #103047;
}

.home-link span {
    color: var(--muted);
    line-height: 1.55;
    font-size: .93rem;
}

.flow-diagram {
    display: grid;
    gap: 10px;
    margin-top: 12px;
}

.flow-step {
    display: block;
    padding: 14px 16px;
    border-radius: 12px;
    border: 1px solid var(--border);
    background: #f8fbff;
    font-weight: 700;
    color: #103047;
}

.flow-arrow {
    text-align: center;
    color: var(--accent-2);
    font-size: 1.25rem;
    font-weight: 700;
    line-height: 1;
}

@media (max-width: 1100px) {
    .page { grid-template-columns: 1fr; }
    .sidebar { position: static; }
    .two, .three, .home-grid, .kpi-grid, .section-grid, .hero-dashboard { grid-template-columns: 1fr; }
}