* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    color: #111;
    background: #fff;
    line-height: 1.6;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Навигация */
.header {
    border-bottom: 1px solid #eee;
    background: #fff;
    position: sticky;
    top: 0;
    z-index: 10;
}

.nav-box {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo { font-weight: 800; font-size: 1.2rem; }

.nav-links { list-style: none; display: flex; gap: 20px; }

.nav-links a { text-decoration: none; color: #666; font-size: 0.9rem; }

.nav-links a:hover { color: #000; }

/* Секции */
.page-section {
    padding: 100px 0;
    border-bottom: 1px solid #f9f9f9;
}

h1, h2 { margin-bottom: 30px; letter-spacing: -1px; }

/* Лента и посты */
.posts-grid { display: grid; gap: 20px; }

.post-card {
    padding: 25px;
    border: 1px solid #eee;
    border-radius: 4px;
}

.btn-link {
    color: #000;
    font-weight: bold;
    text-decoration: underline;
    font-size: 0.9rem;
}

/* Формы */
.form-wrapper { max-width: 450px; }

form { display: flex; flex-direction: column; gap: 12px; }

input, textarea {
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
    font-family: inherit;
}

.btn-black {
    background: #000;
    color: #fff;
    border: none;
    padding: 15px;
    border-radius: 4px;
    cursor: pointer;
    font-weight: 600;
}

/* Личный кабинет */
.user-profile { background: #f8f8f8; padding: 20px; margin-bottom: 30px; }

.post-item {
    display: flex;
    justify-content: space-between;
    padding: 10px;
    border-bottom: 1px solid #eee;
}

.btn-sm { padding: 4px 8px; font-size: 0.8rem; background: #fff; border: 1px solid #ccc; cursor: pointer; }

.btn-red { color: #d00; border-color: #d00; }

.admin-panel { margin-top: 50px; padding: 20px; border: 1px dashed #ccc; }

.footer {
    padding: 50px 0;
    text-align: center;
    color: #999;
    font-size: 0.8rem;
}