:root {
    --public-bg: #f6f7fb;
    --public-surface: #ffffff;
    --public-text: #202433;
    --public-muted: #6c7280;
    --public-border: #e5e7ec;
    --public-primary: #6d5dfc;
    --public-primary-dark: #5849dc;
    --public-radius: 18px;
    --public-shadow: 0 12px 32px rgba(25, 32, 56, 0.08);
}

body.public-page {
    min-height: 100vh;
    margin: 0;
    background: var(--public-bg);
    color: var(--public-text);
}

.public-header {
    background: var(--public-surface);
    border-bottom: 1px solid var(--public-border);
}

.public-header-inner,
.public-main {
    width: min(960px, calc(100% - 32px));
    margin: 0 auto;
}

.public-header-inner {
    padding: 22px 0;
}

.public-brand {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 700;
}

.public-main {
    padding-top: 48px;
    padding-bottom: 64px;
}

.public-intro {
    max-width: 680px;
    margin-bottom: 32px;
}

.public-intro h1 {
    margin-bottom: 12px;
    font-weight: 700;
    letter-spacing: -0.025em;
}

.public-intro p {
    color: var(--public-muted);
    font-size: 1.05rem;
}

.public-card {
    background: var(--public-surface);
    border: 1px solid var(--public-border);
    border-radius: var(--public-radius);
    box-shadow: var(--public-shadow);
}

.public-class-card {
    height: 100%;
    padding: 24px;
}

.public-class-card h2 {
    margin-bottom: 16px;
    font-size: 1.3rem;
}

.public-class-meta {
    display: grid;
    gap: 8px;
    margin-bottom: 16px;
    color: var(--public-muted);
}

.public-class-description {
    margin-bottom: 22px;
}

.public-empty {
    padding: 28px;
}

.public-page .btn-primary {
    --bs-btn-bg: var(--public-primary);
    --bs-btn-border-color: var(--public-primary);
    --bs-btn-hover-bg: var(--public-primary-dark);
    --bs-btn-hover-border-color: var(--public-primary-dark);
    --bs-btn-active-bg: var(--public-primary-dark);
    --bs-btn-active-border-color: var(--public-primary-dark);
}

@media (max-width: 575.98px) {
    .public-header-inner,
    .public-main {
        width: min(100% - 24px, 960px);
    }

    .public-header-inner {
        padding: 18px 0;
    }

    .public-main {
        padding-top: 32px;
        padding-bottom: 40px;
    }

    .public-class-card {
        padding: 20px;
    }

    .public-class-card .btn {
        width: 100%;
    }
}