:root {
    --bg: #0d1117;
    --bg-secondary: #161b22;
    --text: #f0f6fc;
    --text-muted: #8b949e;
    --accent: #58a6ff;
    --border: #30363d;
    --success: #3fb950;
    --danger: #f85149;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
}

.navbar {
    background: var(--bg-secondary);
    padding: 1rem 2rem;
    border-bottom: 1px solid var(--border);
}

.nav-container {
    max-width: 1000px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text);
    text-decoration: none;
}

.nav-links { display: flex; gap: 1.5rem; align-items: center; }
.nav-links a { color: var(--text-muted); text-decoration: none; }
.nav-links a:hover { color: var(--text); }

.main-content {
    max-width: 800px;
    margin: 2rem auto;
    padding: 0 1rem;
}

.btn {
    display: inline-block;
    padding: 0.6rem 1.2rem;
    border: none;
    border-radius: 6px;
    font-size: 0.95rem;
    cursor: pointer;
    text-decoration: none;
    background: var(--bg-secondary);
    color: var(--text);
    border: 1px solid var(--border);
}

.btn:hover { background: var(--border); }
.btn-primary { background: linear-gradient(135deg, #667eea, #764ba2); border: none; color: white; }
.btn-primary:hover { opacity: 0.9; }
.btn-danger { background: var(--danger); border: none; color: white; }
.btn-outline { background: transparent; }
.btn-small { padding: 0.4rem 0.8rem; font-size: 0.85rem; }
.btn-large { padding: 0.8rem 2rem; font-size: 1.1rem; }
.btn-full { width: 100%; }

.hero {
    text-align: center;
    padding: 4rem 2rem;
}

.hero h1 {
    font-size: 3rem;
    background: linear-gradient(135deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
}

.hero p { color: var(--text-muted); font-size: 1.2rem; margin-bottom: 2rem; }
.hero-actions { display: flex; gap: 1rem; justify-content: center; }

.posts-section { margin-top: 3rem; }
.posts-section h2 { margin-bottom: 1.5rem; }

.posts-grid {
    display: grid;
    gap: 1.5rem;
}

.post-card {
    background: var(--bg-secondary);
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid var(--border);
}

.post-card h3 a { color: var(--text); text-decoration: none; }
.post-card h3 a:hover { color: var(--accent); }
.post-meta { color: var(--text-muted); font-size: 0.9rem; margin: 0.5rem 0; }
.post-excerpt { color: var(--text-muted); }

.auth-container {
    max-width: 400px;
    margin: 3rem auto;
    background: var(--bg-secondary);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--border);
}

.auth-container h1 { text-align: center; margin-bottom: 2rem; }
.auth-form { display: flex; flex-direction: column; gap: 1rem; }
.auth-footer { text-align: center; margin-top: 1.5rem; color: var(--text-muted); }
.auth-footer a { color: var(--accent); }

.form-group { display: flex; flex-direction: column; gap: 0.5rem; }
.form-group label { font-weight: 500; }
.form-group input, .form-group textarea {
    padding: 0.75rem;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text);
    font-size: 1rem;
}

.form-group textarea { font-family: monospace; resize: vertical; }
.form-group .hint { color: var(--text-muted); font-size: 0.85rem; }

.form-actions { display: flex; gap: 1rem; justify-content: flex-end; margin-top: 1rem; }

.dashboard { }
.dashboard-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 2rem; }

.posts-list { display: flex; flex-direction: column; gap: 1rem; }
.post-item {
    background: var(--bg-secondary);
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.post-item h3 { margin: 0; }
.post-item h3 a { color: var(--text); text-decoration: none; }
.post-item p { color: var(--text-muted); margin: 0.25rem 0 0; font-size: 0.9rem; }
.post-actions { display: flex; gap: 0.5rem; }

.empty-state, .empty { text-align: center; padding: 3rem; color: var(--text-muted); }

.editor { max-width: 700px; margin: 0 auto; }
.editor h1 { margin-bottom: 2rem; }
.editor-form { background: var(--bg-secondary); padding: 2rem; border-radius: 12px; border: 1px solid var(--border); }

.post-container { }
.post-header { margin-bottom: 2rem; padding-bottom: 1rem; border-bottom: 1px solid var(--border); }
.post-header h1 { font-size: 2.5rem; margin-bottom: 0.5rem; }

.post-content {
    background: var(--bg-secondary);
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid var(--border);
    min-height: 200px;
}

.post-content h1, .post-content h2, .post-content h3 { margin: 1.5rem 0 0.75rem; }
.post-content p { margin-bottom: 1rem; }
.post-content a { color: var(--accent); }
.post-content strong { color: var(--text); }

.post-footer { margin-top: 2rem; padding-top: 1rem; border-top: 1px solid var(--border); }
.report-form { display: inline; }

.loading { color: var(--text-muted); }
.error { color: var(--danger); }

.flash {
    padding: 1rem;
    border-radius: 6px;
    margin-bottom: 1rem;
}

.flash-success { background: rgba(63, 185, 80, 0.15); border: 1px solid var(--success); color: var(--success); }
.flash-error { background: rgba(248, 81, 73, 0.15); border: 1px solid var(--danger); color: var(--danger); }

.footer {
    text-align: center;
    padding: 2rem;
    color: var(--text-muted);
    border-top: 1px solid var(--border);
    margin-top: 3rem;
}