:root {
    --bg: #f3f4ef;
    --surface: #ffffff;
    --surface-muted: #f7f7f4;
    --line: #d8dacd;
    --text: #1a1a18;
    --muted: #5d6258;
    --brand: #8bbc51;
    --brand-dark: #6f9d3f;
    --brand-strong: #5e8a35;
    --accent: #e7a139;
    --danger: #b42318;
    --danger-bg: #fff1f1;
    --success: #027a48;
    --success-bg: #ecfdf3;
    --radius: 18px;
    --shadow: 0 18px 50px rgba(21, 33, 29, 0.08);
}

* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    padding: 0;
}

body {
    min-height: 100vh;
    background:
        radial-gradient(circle at top left, rgba(139, 188, 81, 0.18), transparent 28%),
        radial-gradient(circle at top right, rgba(231, 161, 57, 0.12), transparent 24%),
        linear-gradient(180deg, rgba(255, 255, 255, 0.72), rgba(243, 244, 239, 0.92)),
        var(--bg);
    color: var(--text);
    font: 15px/1.55 "PT Root UI", "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

a {
    color: inherit;
}

.page-shell {
    max-width: 1240px;
    margin: 0 auto;
    padding: 28px 20px 36px;
}

.app-header {
    position: sticky;
    top: 0;
    z-index: 20;
    display: flex;
    align-items: center;
    gap: 18px;
    padding: 18px 24px;
    background: rgba(255, 255, 255, 0.94);
    border-bottom: 1px solid rgba(216, 218, 205, 0.9);
    backdrop-filter: blur(14px);
}

.app-header__brand {
    display: flex;
    align-items: center;
    gap: 18px;
}

.app-header__mark {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.app-header__icon {
    width: 34px;
    height: 40px;
    flex: 0 0 auto;
}

.app-header__wordmark {
    width: 180px;
    height: auto;
    display: block;
}

.app-header__heading {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.app-header__title {
    font-size: 16px;
    font-weight: 700;
}

.app-header__subtitle {
    font-size: 12px;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.app-header__user {
    margin-left: auto;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.app-header__user strong {
    font-size: 14px;
}

.app-header__user span {
    color: var(--muted);
    font-size: 12px;
}

.app-header__nav {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.hero {
    display: grid;
    grid-template-columns: 1.4fr 0.9fr;
    gap: 22px;
    margin-bottom: 22px;
}

.panel,
.metric,
.resource-card,
.auth-card,
.data-card {
    background: var(--surface);
    border: 1px solid rgba(217, 226, 221, 0.85);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.panel {
    padding: 28px;
}

.panel--highlight {
    background:
        linear-gradient(135deg, rgba(139, 188, 81, 0.16), rgba(139, 188, 81, 0.04)),
        var(--surface);
}

.eyebrow {
    display: inline-flex;
    padding: 6px 10px;
    border-radius: 999px;
    background: rgba(139, 188, 81, 0.14);
    color: var(--brand-strong);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.hero h1,
.panel h1,
.panel h2,
.auth-card h1,
.data-card h2 {
    margin: 14px 0 10px;
    line-height: 1.15;
}

.lead,
.muted {
    color: var(--muted);
}

.hero-actions,
.stack-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 22px;
}

.grid,
.metrics-grid,
.resources-grid,
.split-grid {
    display: grid;
    gap: 18px;
}

.metrics-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    margin-bottom: 22px;
}

.metric {
    padding: 20px;
}

.metric__label {
    color: var(--muted);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.metric__value {
    margin-top: 14px;
    font-size: 34px;
    font-weight: 800;
}

.metric__caption {
    margin-top: 8px;
    color: var(--muted);
    font-size: 14px;
}

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

.resource-card,
.data-card,
.auth-card {
    padding: 22px;
}

.resource-card__category {
    font-size: 12px;
    font-weight: 700;
    color: var(--brand-dark);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.resource-card h3 {
    margin: 12px 0 8px;
    font-size: 21px;
}

.resource-card p {
    margin: 0;
    color: var(--muted);
}

.resource-card__meta {
    margin-top: 18px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    color: var(--muted);
    font-size: 13px;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    padding: 0 16px;
    border: 0;
    border-radius: 12px;
    text-decoration: none;
    background: linear-gradient(135deg, var(--brand), var(--brand-strong));
    color: #1a1a18;
    font-weight: 700;
    cursor: pointer;
    transition: transform 0.12s ease, filter 0.12s ease;
}

.button:hover {
    filter: brightness(0.98);
    transform: translateY(-1px);
}

.button--ghost {
    background: var(--surface);
    color: var(--text);
    border: 1px solid var(--line);
}

.button--danger {
    background: #fff;
    color: var(--danger);
    border: 1px solid rgba(180, 35, 24, 0.22);
}

.section-heading {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 18px;
    margin: 28px 0 14px;
}

.section-heading h2,
.section-heading h3 {
    margin: 0;
}

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

.flash {
    padding: 14px 16px;
    margin-bottom: 18px;
    border-radius: 14px;
}

.flash--success {
    background: var(--success-bg);
    color: var(--success);
}

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

.split-grid {
    grid-template-columns: 0.95fr 1.05fr;
}

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

.field label {
    display: block;
    margin-bottom: 8px;
    font-size: 12px;
    font-weight: 700;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.field input,
.field select,
.field textarea {
    width: 100%;
    min-height: 46px;
    padding: 12px 14px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: var(--surface);
    color: var(--text);
    font: inherit;
}

.field textarea {
    min-height: 110px;
    resize: vertical;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
    outline: none;
    border-color: var(--brand);
    box-shadow: 0 0 0 4px rgba(139, 188, 81, 0.18);
}

.field--full {
    grid-column: 1 / -1;
}

.checkbox {
    display: flex;
    gap: 10px;
    align-items: center;
    margin-top: 8px;
    color: var(--muted);
}

.table-wrap {
    overflow: auto;
}

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

th,
td {
    padding: 14px 12px;
    border-bottom: 1px solid #edf1ef;
    text-align: left;
    vertical-align: top;
}

th {
    font-size: 12px;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.pill {
    display: inline-flex;
    align-items: center;
    padding: 6px 10px;
    border-radius: 999px;
    background: var(--surface-muted);
    font-size: 12px;
    font-weight: 700;
}

.pill--success {
    background: var(--success-bg);
    color: var(--success);
}

.pill--muted {
    color: var(--muted);
}

.inline-form {
    display: inline;
}

.auth-layout {
    max-width: 1100px;
    margin: 0 auto;
    padding: 36px 20px;
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 22px;
}

.auth-card h1 {
    font-size: 34px;
}

.auth-card ul {
    padding-left: 18px;
    color: var(--muted);
}

.auth-card li + li {
    margin-top: 10px;
}

.demo-body {
    padding: 34px;
}

.demo-topline {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 22px;
    flex-wrap: wrap;
}

.demo-grid {
    display: grid;
    gap: 16px;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    margin-bottom: 20px;
}

.demo-card {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 20px;
}

.demo-chart {
    display: flex;
    align-items: flex-end;
    gap: 14px;
    height: 220px;
}

.demo-chart__bar {
    flex: 1;
    border-radius: 14px 14px 0 0;
    background: linear-gradient(180deg, rgba(139, 188, 81, 0.96), rgba(111, 157, 63, 0.48));
}

.brand-copy {
    max-width: 62ch;
}

.brand-copy strong {
    color: var(--brand-strong);
}

@media (max-width: 980px) {
    .hero,
    .split-grid,
    .auth-layout,
    .resources-grid,
    .metrics-grid,
    .demo-grid {
        grid-template-columns: 1fr;
    }

    .app-header {
        flex-wrap: wrap;
    }

    .app-header__mark {
        width: 100%;
    }

    .app-header__wordmark {
        width: 156px;
    }

    .app-header__user {
        margin-left: 0;
        align-items: flex-start;
        width: 100%;
    }
}

@media (max-width: 720px) {
    .page-shell,
    .auth-layout,
    .demo-body {
        padding-left: 14px;
        padding-right: 14px;
    }

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

    .panel,
    .resource-card,
    .data-card,
    .auth-card {
        padding: 18px;
    }
}