:root {
    --bg: #eef6e8;
    --bg-accent: #d9efc4;
    --ink: #1a2418;
    --muted: #5a6b55;
    --card: #fbfdf8;
    --line: #c8dcb4;
    --accent: #3f9a2e;
    --accent-bright: #7ecf2a;
    --accent-dark: #2d6f22;
    --error: #8a2f2f;
    --error-bg: #f8e8e8;
    --radius: 14px;
    --shadow: 0 10px 30px rgba(28, 42, 31, 0.08);
    font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    color: var(--ink);
    background:
        radial-gradient(ellipse 80% 50% at 50% -10%, rgba(126, 207, 42, 0.22), transparent 55%),
        linear-gradient(180deg, #f3f9ec 0%, var(--bg) 40%, #e4f0da 100%);
    min-height: 100vh;
}

.page {
    width: min(720px, calc(100% - 1.5rem));
    margin: 0 auto;
    padding: 1rem 0 2.5rem;
}

.admin-page { width: min(960px, calc(100% - 1.5rem)); }

.header {
    margin-bottom: 1rem;
    text-align: center;
}

.admin-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
    text-align: left;
}

.logo-link {
    display: inline-block;
    line-height: 0;
    text-decoration: none;
}

.logo {
    display: block;
    width: min(280px, 72vw);
    height: auto;
    margin: 0 auto;
}

.brand {
    margin: 0;
    font-size: 0.85rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--accent-dark);
    font-weight: 700;
}

.subtitle {
    margin: 0.75rem 0 0;
    font-size: 1.25rem;
    line-height: 1.3;
    font-weight: 700;
}

.main {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 1.25rem;
}

.lead {
    margin: 0 0 1.25rem;
    color: var(--muted);
    line-height: 1.5;
}

.survey-form fieldset {
    border: 1px solid var(--line);
    border-radius: 12px;
    margin: 0 0 1rem;
    padding: 0.9rem 1rem 1rem;
    background: #fff;
}

.survey-form legend {
    padding: 0 0.35rem;
    font-weight: 700;
    font-size: 1rem;
}

.hint, .muted {
    color: var(--muted);
    font-size: 0.92rem;
}

.hint { margin: 0 0 0.75rem; }

.options {
    display: grid;
    gap: 0.55rem;
}

.option {
    display: flex;
    gap: 0.7rem;
    align-items: flex-start;
    padding: 0.7rem 0.8rem;
    border: 1px solid var(--line);
    border-radius: 10px;
    background: var(--bg);
    cursor: pointer;
}

.option:has(input:checked) {
    border-color: var(--accent);
    background: var(--bg-accent);
}

.option input { margin-top: 0.2rem; }

.extra-field {
    margin: -0.35rem 0 1rem;
    display: grid;
    gap: 0.35rem;
}

.extra-field label,
.login-form label {
    font-size: 0.92rem;
    color: var(--muted);
}

input[type="text"],
input[type="password"],
textarea {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 0.75rem 0.85rem;
    font: inherit;
    background: #fff;
    color: var(--ink);
}

.btn {
    appearance: none;
    border: 0;
    border-radius: 999px;
    padding: 0.85rem 1.25rem;
    font: inherit;
    font-weight: 700;
    cursor: pointer;
}

.btn-primary {
    width: 100%;
    background: var(--accent);
    color: #fff;
}

.btn-primary:hover { background: var(--accent-dark); }

.btn-ghost {
    background: transparent;
    color: var(--accent-dark);
    border: 1px solid var(--line);
    padding: 0.45rem 0.9rem;
}

.alert {
    border-radius: 10px;
    padding: 0.85rem 1rem;
    margin-bottom: 1rem;
}

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

.field-error {
    margin: 0.6rem 0 0;
    color: var(--error);
    font-size: 0.9rem;
}

.has-error { border-color: #d9a3a3 !important; }

.footer {
    margin-top: 1rem;
    text-align: center;
    color: var(--muted);
    font-size: 0.85rem;
}

.thanks h1 { margin-top: 0; }
.thanks p { line-height: 1.5; }

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

.table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.95rem;
}

.table th,
.table td {
    text-align: left;
    padding: 0.7rem 0.55rem;
    border-bottom: 1px solid var(--line);
    vertical-align: top;
}

.table th { color: var(--muted); font-weight: 600; }

.detail-list {
    display: grid;
    gap: 1rem;
    margin: 1rem 0 0;
}

.detail-list > div {
    padding-bottom: 0.85rem;
    border-bottom: 1px solid var(--line);
}

.detail-list dt {
    font-weight: 700;
    margin-bottom: 0.35rem;
}

.detail-list dd { margin: 0; }
.detail-list ul { margin: 0; padding-left: 1.1rem; }

.login-form {
    display: grid;
    gap: 1rem;
    max-width: 360px;
}

.pagination {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    margin-top: 1rem;
    align-items: center;
}

@media (max-width: 640px) {
    .main { padding: 1rem; }
    .subtitle { font-size: 1.2rem; }
}