@import url("https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700&display=swap");

:root {
    --bg: #f4f8ff;
    --bg-accent: #e8fff7;
    --surface: #ffffff;
    --text: #0f1b2d;
    --muted: #5a6c85;
    --primary: #0f9d7f;
    --primary-strong: #07725c;
    --accent: #2257d9;
    --danger: #c62347;
    --border: #d8e2f2;
    --shadow: 0 20px 40px rgba(20, 46, 97, 0.08);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "Poppins", "Segoe UI", sans-serif;
    color: var(--text);
    background:
        radial-gradient(circle at 5% 0%, var(--bg-accent) 0%, transparent 35%),
        radial-gradient(circle at 100% 0%, #e8efff 0%, transparent 35%),
        var(--bg);
}

a {
    color: inherit;
}

.container {
    width: min(1080px, 92%);
    margin: 0 auto;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 10;
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.9);
}

.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 0;
}

.site-header h1 {
    margin: 0;
    font-size: 1.15rem;
}

.site-header h1 a {
    text-decoration: none;
}

nav {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

nav a {
    text-decoration: none;
    color: var(--accent);
    background: #eef3ff;
    padding: 7px 12px;
    border-radius: 999px;
    font-size: 0.92rem;
}

main.container {
    padding: 28px 0 40px;
}

.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 18px;
    box-shadow: var(--shadow);
    padding: 20px;
    margin-bottom: 18px;
}

.hero-card {
    background: linear-gradient(110deg, #f7fffd 0%, #f4f9ff 100%);
}

.auth-card {
    max-width: 620px;
    margin: 24px auto;
}

.form-grid {
    display: grid;
    gap: 10px;
}

input,
select,
textarea,
button {
    font: inherit;
}

input,
select,
textarea {
    width: 100%;
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 11px 12px;
    background: #fff;
}

textarea {
    min-height: 100px;
    resize: vertical;
}

button,
.btn-link {
    border: none;
    border-radius: 10px;
    padding: 10px 14px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    background: var(--primary);
    color: #fff;
}

button:hover,
.btn-link:hover {
    background: var(--primary-strong);
}

.muted-btn {
    background: #edf2ff;
    color: var(--accent);
}

.danger-btn {
    background: var(--danger);
}

.list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.list li {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 12px;
    padding: 14px 0;
    border-bottom: 1px solid var(--border);
}

.list li:last-child {
    border-bottom: 0;
}

.full-list li {
    align-items: center;
}

.action-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
}

.muted {
    color: var(--muted);
    margin: 4px 0 0;
    font-size: 0.93rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(120px, 1fr));
    gap: 12px;
    margin-bottom: 18px;
}

.stat-card {
    padding: 18px 14px;
    border-radius: 14px;
    background: linear-gradient(150deg, #0f9d7f, #2257d9);
    color: #fff;
}

.stat-card h3 {
    margin: 0;
    font-size: 1.6rem;
}

.stat-card p {
    margin: 8px 0 0;
    font-size: 0.88rem;
}

.messages {
    list-style: none;
    padding: 0;
}

.message {
    background: #f2fff9;
    border: 1px solid #c6efde;
    border-left: 5px solid var(--primary);
    border-radius: 10px;
    padding: 10px 12px;
    margin-bottom: 10px;
}

.errorlist,
.error-block {
    margin: 0;
    color: var(--danger);
    padding-left: 20px;
}

.question-card {
    border: 1px solid var(--border);
    background: #fbfcff;
    border-radius: 12px;
    padding: 14px;
    margin-bottom: 12px;
}

.option-row {
    display: flex;
    gap: 8px;
    align-items: center;
    margin: 8px 0;
}

.option-list {
    margin: 8px 0 0 20px;
    padding: 0;
}

.badge {
    background: #e6fff6;
    color: #0d7c64;
    border: 1px solid #bde8d8;
    border-radius: 999px;
    padding: 1px 8px;
    font-size: 0.75rem;
    margin-left: 8px;
}

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

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

@media (max-width: 860px) {
    .stats-grid {
        grid-template-columns: repeat(2, minmax(120px, 1fr));
    }
}

@media (max-width: 640px) {
    .site-header .container {
        align-items: flex-start;
        flex-direction: column;
        gap: 10px;
    }

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

    .list li {
        flex-direction: column;
        align-items: flex-start;
    }
}