:root {
    --bg: #f5f7fb;
    --card: #ffffff;
    --primary: #2f6fed;
    --primary-dark: #1d4fc3;
    --text: #172033;
    --muted: #5d6a82;
    --border: #dfe6f2;
    --success: #1f9d61;
    --danger: #c73f47;
    --warning: #c7831d;
    --shadow: 0 12px 28px rgba(23, 32, 51, 0.08);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    background: var(--bg);
    color: var(--text);
}

.container {
    width: min(1100px, calc(100% - 32px));
    margin: 0 auto;
}

.topbar {
    background: #111827;
    color: white;
    padding: 18px 0;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
}

.brand {
    font-weight: 700;
    letter-spacing: 0.03em;
}

.nav-links {
    display: flex;
    gap: 18px;
    align-items: center;
}

.nav-links a {
    color: white;
    text-decoration: none;
    opacity: 0.9;
}

.hero {
    padding: 60px 0 40px;
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 24px;
    align-items: center;
}

.page {
    padding: 32px 0 60px;
}

.auth-wrap {
    padding: 60px 0;
    display: flex;
    justify-content: center;
}

.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 16px;
    box-shadow: var(--shadow);
    padding: 28px;
}

.hero-copy h1 {
    font-size: clamp(2.2rem, 3vw, 3.4rem);
    margin: 0 0 14px;
}

.hero-copy p {
    color: var(--muted);
    line-height: 1.6;
}

.eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: 0.75rem;
    color: var(--primary);
    font-weight: 700;
    margin: 0 0 12px;
}

.hero-actions {
    display: flex;
    gap: 12px;
    margin-top: 24px;
}

.button {
    display: inline-block;
    border: none;
    border-radius: 10px;
    padding: 12px 18px;
    text-decoration: none;
    cursor: pointer;
    font-weight: 600;
    transition: 0.2s ease;
}

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

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

.button.secondary {
    background: #ebf0ff;
    color: var(--primary);
}

.form-card {
    width: min(520px, 100%);
}

.form-card h1 {
    margin-top: 0;
}

label {
    display: block;
    margin-bottom: 18px;
    color: var(--text);
    font-weight: 600;
}

input, select, textarea {
    width: 100%;
    margin-top: 8px;
    padding: 12px 14px;
    border: 1px solid var(--border);
    border-radius: 10px;
    font: inherit;
    background: white;
}

input:focus, select:focus, textarea:focus {
    outline: 2px solid rgba(47, 111, 237, 0.18);
    border-color: var(--primary);
}

textarea {
    resize: vertical;
}

.auth-link {
    margin-top: 18px;
    color: var(--muted);
}

.auth-link a {
    color: var(--primary);
    text-decoration: none;
}

.alert {
    border-radius: 10px;
    padding: 12px 14px;
    margin: 12px 0 18px;
    border: 1px solid transparent;
}

.alert-success {
    background: #eafaf2;
    color: var(--success);
    border-color: rgba(31, 157, 97, 0.2);
}

.alert-danger {
    background: #fff1f2;
    color: var(--danger);
    border-color: rgba(199, 63, 71, 0.2);
}

.alert-warning {
    background: #fff8ec;
    color: var(--warning);
    border-color: rgba(199, 131, 29, 0.2);
}

.badge {
    background: #e9f1ff;
    color: var(--primary-dark);
    padding: 8px 12px;
    border-radius: 999px;
    font-weight: 700;
    font-size: 0.75rem;
}

.section-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    margin-bottom: 8px;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 16px;
}

th, td {
    padding: 12px 10px;
    border-bottom: 1px solid var(--border);
    text-align: left;
}

th {
    color: var(--muted);
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.demo-box {
    padding: 20px;
    background: #f4f7ff;
    border: 1px solid #dfe9ff;
    border-radius: 16px;
}

.demo-box h2 {
    margin-top: 0;
}

.demo-box ul {
    padding-left: 20px;
    margin: 0;
    color: var(--muted);
    line-height: 1.7;
}

.small {
    font-size: 0.9rem;
    color: var(--muted);
}

@media (max-width: 720px) {
    .hero {
        grid-template-columns: 1fr;
    }

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

    .nav-links {
        flex-wrap: wrap;
    }

    .section-row {
        flex-direction: column;
        align-items: flex-start;
    }
}