/* AuthShield - 前端样式 */

:root {
    --primary: #3b82f6;
    --primary-dark: #2563eb;
    --green: #16a34a;
    --red: #dc2626;
    --purple: #8b5cf6;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-500: #6b7280;
    --gray-700: #374151;
    --gray-900: #111827;
    --radius: 8px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans SC', sans-serif;
    color: var(--gray-900);
    background: var(--gray-50);
    line-height: 1.6;
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Navbar */
.navbar {
    background: var(--gray-900);
    color: #fff;
    padding: 12px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.nav-brand { font-size: 18px; font-weight: 700; }
.nav-links a { color: #e5e7eb; margin-left: 20px; }
.nav-links a:hover { color: #fff; text-decoration: none; }

/* Container */
.container { max-width: 1200px; margin: 0 auto; padding: 40px 24px; }

/* Hero */
.hero { text-align: center; padding: 60px 0; }
.hero h1 { font-size: 2.5rem; margin-bottom: 12px; }
.hero-subtitle { font-size: 1.25rem; color: var(--gray-700); margin-bottom: 16px; }
.hero-desc { font-size: 1rem; color: var(--gray-500); max-width: 700px; margin: 0 auto 32px; }
.hero-actions { display: flex; gap: 12px; justify-content: center; }

/* Buttons */
.btn {
    display: inline-block;
    padding: 10px 24px;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    border: 1px solid transparent;
    transition: all .2s;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-outline { border-color: var(--gray-300); background: transparent; color: var(--gray-700); }
.btn-outline:hover { background: var(--gray-100); }

/* Features */
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin-top: 60px;
}
.feature-card {
    background: #fff;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    padding: 32px;
    text-align: center;
    transition: box-shadow .2s;
}
.feature-card:hover { box-shadow: 0 4px 12px rgba(0,0,0,.08); }
.feature-icon { font-size: 2.5rem; margin-bottom: 16px; }
.feature-card h3 { font-size: 1.1rem; margin-bottom: 8px; }
.feature-card p { color: var(--gray-500); font-size: 14px; }

/* Footer */
.footer {
    text-align: center;
    padding: 24px;
    color: var(--gray-500);
    border-top: 1px solid var(--gray-200);
    margin-top: 60px;
}

/* Docs */
.docs-page { max-width: 800px; margin: 0 auto; }
.docs-page h1 { font-size: 2rem; margin-bottom: 24px; }
.docs-page h2 { font-size: 1.5rem; margin: 32px 0 12px; border-bottom: 2px solid var(--gray-200); padding-bottom: 8px; }
.docs-page h3 { font-size: 1.1rem; margin: 20px 0 8px; }
.docs-page p { margin-bottom: 12px; color: var(--gray-700); }
.docs-page ul, .docs-page ol { margin: 0 0 12px 24px; }
.docs-page code {
    background: var(--gray-100);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'SF Mono', Monaco, monospace;
    font-size: 13px;
}
.docs-page pre {
    background: var(--gray-900);
    color: #e5e7eb;
    padding: 16px;
    border-radius: var(--radius);
    overflow-x: auto;
    margin-bottom: 16px;
}
.docs-page pre code { background: none; color: inherit; }
.docs-toc {
    background: var(--gray-100);
    padding: 20px;
    border-radius: var(--radius);
    margin-bottom: 32px;
}
.docs-toc ul { list-style: none; }
.docs-table { width: 100%; border-collapse: collapse; margin-bottom: 16px; }
.docs-table th, .docs-table td {
    border: 1px solid var(--gray-200);
    padding: 8px 12px;
    text-align: left;
    font-size: 14px;
}
.docs-table th { background: var(--gray-50); font-weight: 600; }