:root {
    --app-bg: #f4f7fb;
    --app-surface: #ffffff;
    --app-ink: #172033;
    --app-muted: #64748b;
    --app-border: #d9e2ef;
    --app-primary: #1f7a6d;
    --app-primary-dark: #13594f;
    --app-accent: #d98b39;
    --app-soft: #e8f4f1;
    --app-row: #f8fafc;
}

* {
    box-sizing: border-box;
}

body.app-shell {
    min-height: 100vh;
    margin: 0;
    color: var(--app-ink);
    background:
        linear-gradient(180deg, rgba(232, 244, 241, 0.92), rgba(244, 247, 251, 0.98) 340px),
        var(--app-bg);
    font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.survey-layout,
.data-layout {
    width: min(1120px, calc(100% - 32px));
    margin: 32px auto;
}

.data-layout {
    width: min(1480px, calc(100% - 32px));
}

.app-card {
    overflow: hidden;
    border: 1px solid rgba(23, 32, 51, 0.08);
    border-radius: 8px;
    background: var(--app-surface);
    box-shadow: 0 22px 60px rgba(23, 32, 51, 0.10);
}

.survey-hero,
.data-hero {
    display: grid;
    gap: 12px;
    padding: 34px 38px;
    color: #fff;
    background: #123c69;
}

.survey-hero {
    background:
        linear-gradient(135deg, rgba(18, 60, 105, 0.96), rgba(31, 122, 109, 0.96)),
        url("https://images.unsplash.com/photo-1522202176988-66273c2fd55f?auto=format&fit=crop&w=1600&q=80") center / cover;
}

.data-hero {
    background:
        linear-gradient(135deg, rgba(19, 89, 79, 0.96), rgba(18, 60, 105, 0.94)),
        url("https://images.unsplash.com/photo-1551288049-bebda4e38f71?auto=format&fit=crop&w=1600&q=80") center / cover;
}

.eyebrow {
    margin: 0;
    color: rgba(255, 255, 255, 0.78);
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.survey-hero h1,
.data-hero h1 {
    max-width: 780px;
    margin: 0;
    font-size: clamp(2rem, 4vw, 3.5rem);
    font-weight: 800;
    line-height: 1.04;
    letter-spacing: 0;
}

.survey-hero p,
.data-hero p {
    max-width: 760px;
    margin: 0;
    color: rgba(255, 255, 255, 0.86);
    font-size: 1rem;
    line-height: 1.65;
}

.survey-body,
.data-body {
    padding: 34px 38px 40px;
}

.intro-panel {
    display: grid;
    gap: 10px;
    margin-bottom: 30px;
    padding: 22px;
    border: 1px solid var(--app-border);
    border-left: 5px solid var(--app-primary);
    border-radius: 8px;
    background: var(--app-row);
}

.intro-panel h2 {
    margin: 0;
    font-size: 1.2rem;
    font-weight: 800;
}

.intro-panel p {
    margin: 0;
    color: var(--app-muted);
    line-height: 1.65;
}

.survey-body h4 {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 34px 0 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--app-border);
    color: #123c69;
    font-size: 1.1rem;
    font-weight: 800;
}

.survey-body h4::before {
    width: 10px;
    height: 28px;
    border-radius: 4px;
    background: var(--app-accent);
    content: "";
}

.question-item,
.form-group-block {
    margin-bottom: 18px;
}

.question-item {
    padding: 18px;
    border: 1px solid var(--app-border);
    border-radius: 8px;
    background: #fff;
}

.question-item .form-label,
.form-group-block .form-label {
    margin-bottom: 8px;
    color: #24324a;
    font-weight: 700;
    line-height: 1.5;
}

.form-control,
.form-select {
    min-height: 46px;
    border-color: var(--app-border);
    border-radius: 7px;
    color: var(--app-ink);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--app-primary);
    box-shadow: 0 0 0 0.2rem rgba(31, 122, 109, 0.14);
}

.help-note {
    margin: 0 0 16px;
    padding: 14px 16px;
    border-radius: 8px;
    background: var(--app-soft);
    color: var(--app-primary-dark);
    font-weight: 600;
}

.action-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 28px;
    padding-top: 24px;
    border-top: 1px solid var(--app-border);
}

.btn {
    border-radius: 7px;
    font-weight: 800;
}

.btn-primary {
    border-color: var(--app-primary);
    background: var(--app-primary);
}

.btn-primary:hover,
.btn-primary:focus {
    border-color: var(--app-primary-dark);
    background: var(--app-primary-dark);
}

.btn-secondary {
    border-color: #475569;
    background: #475569;
}

.btn-success {
    border-color: var(--app-primary);
    background: var(--app-primary);
}

.data-toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    margin-bottom: 18px;
}

.metric-card {
    min-width: 190px;
    padding: 14px 16px;
    border: 1px solid var(--app-border);
    border-radius: 8px;
    background: var(--app-row);
}

.metric-card span {
    display: block;
    color: var(--app-muted);
    font-size: 0.82rem;
    font-weight: 700;
}

.metric-card strong {
    display: block;
    color: #123c69;
    font-size: 1.8rem;
    line-height: 1.1;
}

.table-wrap {
    border: 1px solid var(--app-border);
    border-radius: 8px;
    background: #fff;
}

.table {
    margin-bottom: 0;
    white-space: nowrap;
}

.table thead th {
    border-bottom: 0;
    background: #172033;
    color: #fff;
    font-size: 0.78rem;
    letter-spacing: 0.03em;
    text-transform: uppercase;
}

.table tbody td {
    color: #24324a;
    vertical-align: middle;
}

@media (max-width: 768px) {
    .survey-layout,
    .data-layout {
        width: min(100% - 20px, 100%);
        margin: 10px auto;
    }

    .survey-hero,
    .data-hero,
    .survey-body,
    .data-body {
        padding: 24px 18px;
    }

    .action-bar .btn {
        width: 100%;
    }
}