:root {
    --bg: #f5f7fb;
    --card: #ffffff;
    --text: #1f2937;
    --muted: #6b7280;
    --border: #d1d5db;
    --primary: #243b7a;
    --primary-hover: #1b2e63;
    --warning-bg: #fff7ed;
    --warning-border: #fed7aa;
    --error-bg: #fee2e2;
    --error-border: #fecaca;
    --error-text: #991b1b;
    --success-bg: #ecfdf5;
    --success-border: #a7f3d0;
    --success-text: #065f46;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: Arial, Helvetica, sans-serif;
    background: linear-gradient(180deg, #eef2ff 0%, var(--bg) 45%, #ffffff 100%);
    color: var(--text);
    font-size: 14px;
}

.page {
    width: 100%;
    padding: 20px 14px;
}

.card {
    max-width: 560px;
    margin: 20px auto;
    background: var(--card);
    border-radius: 16px;
    box-shadow: 0 14px 36px rgba(31, 41, 55, 0.11);
    overflow: hidden;
    border: 1px solid rgba(209, 213, 219, 0.75);
}

.header {
    padding: 22px 24px 14px;
    text-align: center;
    border-bottom: 1px solid #eef0f5;
}

.logo {
    display: block;
    max-width: 190px;
    width: 68%;
    height: auto;
    margin: 0 auto 14px;
}

.badge {
    display: inline-block;
    padding: 6px 11px;
    border-radius: 999px;
    background: #eef2ff;
    color: var(--primary);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.03em;
    line-height: 1.2;
}

.content {
    padding: 24px;
}

h1 {
    margin: 13px 0 7px;
    font-size: 21px;
    line-height: 1.22;
}

h2 {
    font-size: 17px;
    margin-top: 24px;
    margin-bottom: 8px;
}

p {
    line-height: 1.5;
    margin: 9px 0;
}

.lead {
    color: var(--muted);
    font-size: 13px;
    line-height: 1.45;
    max-width: 440px;
    margin-left: auto;
    margin-right: auto;
}

.form-group {
    margin-top: 15px;
}

label {
    display: block;
    font-weight: 700;
    margin-bottom: 6px;
    font-size: 13px;
}

input[type="text"],
input[type="email"] {
    width: 100%;
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 11px 12px;
    font-size: 14px;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
    background: #fff;
}

input[type="text"]:focus,
input[type="email"]:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(36, 59, 122, 0.13);
}

.help {
    color: var(--muted);
    font-size: 11px;
    margin-top: 5px;
}

.terms-box {
    margin-top: 18px;
    padding: 13px;
    border: 1px solid #e5e7eb;
    border-radius: 11px;
    background: #fafafa;
    font-size: 13px;
    line-height: 1.4;
}

.terms-box label {
    display: flex;
    gap: 9px;
    align-items: flex-start;
    font-weight: 400;
    margin: 0;
    font-size: 13px;
}

.terms-box input {
    margin-top: 2px;
}

.links {
    margin-top: 11px;
    font-size: 13px;
}

.links a {
    color: var(--primary);
    font-weight: 700;
    text-decoration: none;
}

.links a:hover {
    text-decoration: underline;
}

.button {
    width: 100%;
    margin-top: 20px;
    padding: 13px 16px;
    border: 0;
    border-radius: 11px;
    font-size: 14px;
    font-weight: 800;
    color: #fff;
    background: var(--primary);
    cursor: pointer;
    transition: background 0.2s, transform 0.05s;
}

.button:hover {
    background: var(--primary-hover);
}

.button:active {
    transform: translateY(1px);
}

.alert {
    padding: 13px;
    border-radius: 11px;
    margin-bottom: 16px;
    line-height: 1.4;
    font-size: 13px;
}

.alert-error {
    background: var(--error-bg);
    border: 1px solid var(--error-border);
    color: var(--error-text);
}

.alert-success {
    background: var(--success-bg);
    border: 1px solid var(--success-border);
    color: var(--success-text);
}

.notice {
    margin-top: 16px;
    padding: 13px;
    border-radius: 11px;
    border: 1px solid var(--warning-border);
    background: var(--warning-bg);
    color: #7c2d12;
    font-size: 12px;
    line-height: 1.4;
}

.footer {
    padding: 16px 24px 22px;
    text-align: center;
    color: var(--muted);
    font-size: 11px;
    border-top: 1px solid #eef0f5;
}

.footer a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 700;
}

.footer a:hover {
    text-decoration: underline;
}

.doc {
    max-width: 760px;
}

.doc .content {
    padding: 26px;
}

.doc ul {
    padding-left: 18px;
    line-height: 1.5;
}

@media (max-width: 520px) {
    body {
        font-size: 13px;
    }

    .page {
        padding: 10px;
    }

    .card {
        margin: 10px auto;
        border-radius: 14px;
    }

    .header {
        padding: 18px 18px 12px;
    }

    .content {
        padding: 20px;
    }

    .footer {
        padding: 14px 18px 18px;
    }

    .logo {
        max-width: 165px;
        width: 72%;
        margin-bottom: 12px;
    }

    h1 {
        font-size: 20px;
    }

    .lead {
        font-size: 12px;
    }

    input[type="text"],
    input[type="email"] {
        font-size: 14px;
        padding: 10px 11px;
    }

    .button {
        font-size: 14px;
        padding: 12px 14px;
    }
}