*,
*::before,
*::after {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "Segoe UI", Arial, Helvetica, sans-serif;
    background: #f2e8d5;
    color: #333;
    line-height: 1.5;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

.container {
    max-width: 720px;
    margin: 0 auto;
    padding: 0 16px 48px;
}

.cover {
    width: 100%;
    margin-bottom: 0;
}

.card {
    background: #fff;
    border-radius: 0 0 12px 12px;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
    padding: 32px 28px;
}

.lang-switch {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 8px;
    margin-bottom: 20px;
    font-size: 14px;
}

.lang-switch select {
    padding: 6px 10px;
    border: 1px solid #ddd;
    border-radius: 6px;
    background: #fff;
    font-size: 14px;
}

.intro {
    margin: 0 0 28px;
    font-size: 15px;
    line-height: 1.65;
    color: #555;
}

.alert {
    padding: 14px 16px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 14px;
}

.alert-error {
    background: #fdecea;
    border: 1px solid #f5c2c0;
    color: #842029;
}

.alert-success {
    background: #e8f5e9;
    border: 1px solid #a5d6a7;
    color: #1b5e20;
}

.alert-success h2 {
    margin: 0 0 8px;
    font-size: 20px;
}

.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 600;
    font-size: 14px;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"] {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 15px;
    transition: border-color 0.2s;
}

.form-group input:focus {
    outline: none;
    border-color: #ffd54f;
    box-shadow: 0 0 0 3px rgba(255, 213, 79, 0.25);
}

.talks-section {
    margin: 28px 0 20px;
    padding: 20px;
    background: #faf6ef;
    border-radius: 8px;
    border: 1px solid #ece3d3;
}

.talks-section h3 {
    margin: 0 0 6px;
    font-size: 16px;
}

.talks-hint {
    margin: 0 0 14px;
    font-size: 13px;
    color: #777;
}

.checkbox-row {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 12px;
    cursor: pointer;
}

.checkbox-row input[type="checkbox"] {
    margin-top: 3px;
    width: 18px;
    height: 18px;
    accent-color: #ffc107;
    flex-shrink: 0;
}

.checkbox-row span {
    font-size: 14px;
    line-height: 1.5;
}

.privacy-row {
    margin: 24px 0;
    padding: 16px;
    background: #fffdf8;
    border: 1px solid #ece3d3;
    border-radius: 8px;
}

.privacy-row a {
    color: #b8860b;
}

.btn {
    display: inline-block;
    padding: 12px 32px;
    background: #ffc107;
    color: #333;
    border: none;
    border-radius: 6px;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    text-decoration: none;
    transition: background 0.2s, transform 0.1s;
}

.btn:hover {
    background: #ffb300;
}

.btn:active {
    transform: scale(0.98);
}

.btn-block {
    width: 100%;
    text-align: center;
}

.success-actions {
    margin-top: 24px;
}

/* Admin */
.admin-body {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.admin-card {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.1);
    padding: 36px 32px;
    width: 100%;
    max-width: 420px;
}

.admin-card.wide {
    max-width: 560px;
}

.admin-card h1 {
    margin: 0 0 8px;
    font-size: 22px;
}

.admin-card .subtitle {
    margin: 0 0 24px;
    color: #666;
    font-size: 14px;
}

.stat-box {
    background: #faf6ef;
    border: 1px solid #ece3d3;
    border-radius: 8px;
    padding: 24px;
    text-align: center;
    margin-bottom: 24px;
}

.stat-number {
    font-size: 48px;
    font-weight: 700;
    color: #ffc107;
    line-height: 1;
}

.stat-label {
    margin-top: 8px;
    font-size: 14px;
    color: #666;
}

.admin-actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.btn-secondary {
    background: #eee;
    color: #333;
}

.btn-secondary:hover {
    background: #ddd;
}

.admin-footer {
    margin-top: 24px;
    text-align: center;
    font-size: 13px;
}

.admin-footer a {
    color: #888;
}

@media (max-width: 480px) {
    .card {
        padding: 24px 18px;
    }
}