:root {
    --bg-color: #f5f5f5;
    --text-color: #333;
    --header-bg: #333;
    --header-text: #fff;
    --card-bg: #fff;
    --card-border: #ddd;
    --accent: #ffcc00;
    --accent-hover: #e6b800;
    --btn-bg: #ffcc00;
    --btn-text: #000;
}

[data-theme="dark"] {
    --bg-color: #121212;
    --text-color: #fff;
    --header-bg: #222;
    --header-text: #fff;
    --card-bg: #1e1e1e;
    --card-border: #333;
    --accent: #ffcc00;
    --accent-hover: #e6b800;
    --btn-bg: #ffcc00;
    --btn-text: #000;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--bg-color) url('../images/background.jpg') no-repeat center center fixed;
    background-size: cover;
    color: var(--text-color);
    line-height: 1.6;
    transition: background 0.3s, color 0.3s;
}

header {
    background: var(--header-bg);
    color: var(--header-text);
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo img {
    height: 40px;
}

nav a {
    color: var(--header-text);
    text-decoration: none;
    margin: 0 15px;
    font-weight: bold;
    transition: color 0.3s;
}

nav a:hover {
    color: var(--accent);
}

.hero {
    padding: 4rem 2rem;
    text-align: center;
    background: rgba(0, 0, 0, 0.1);
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--accent);
}

.hero p {
    font-size: 1.2rem;
    color: #ccc;
}

.auth-form {
    max-width: 400px;
    margin: 2rem auto;
    padding: 2rem;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 10px;
    backdrop-filter: blur(10px);
}

.auth-form input {
    width: 100%;
    padding: 10px;
    margin: 10px 0;
    border: 1px solid var(--card-border);
    border-radius: 5px;
    background: var(--card-bg);
    color: var(--text-color);
}

.auth-form button {
    width: 100%;
    padding: 10px;
    background: var(--btn-bg);
    color: var(--btn-text);
    border: none;
    border-radius: 5px;
    font-weight: bold;
    cursor: pointer;
    transition: background 0.3s;
}

.auth-form button:hover {
    background: var(--accent-hover);
}

.error-message {
    color: red;
    margin-top: 10px;
    text-align: center;
}

.btn-download {
    display: block;
    width: 200px;
    margin: 10px auto;
    padding: 10px;
    text-align: center;
    background: var(--btn-bg);
    color: var(--btn-text);
    text-decoration: none;
    border-radius: 5px;
    font-weight: bold;
    transition: background 0.3s;
}

.btn-download:hover {
    background: var(--accent-hover);
}

.news-item {
    background: var(--card-bg);
    padding: 1.5rem;
    margin: 1rem 0;
    border: 1px solid var(--card-border);
    border-radius: 8px;
    backdrop-filter: blur(5px);
}

.news-item h3 {
    color: var(--accent);
    margin-bottom: 0.5rem;
}

.rules-container {
    max-width: 900px;
    margin: 2rem auto;
    padding: 2rem;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 10px;
    backdrop-filter: blur(10px);
}

.rules-section {
    margin-bottom: 2rem;
}

.rules-section h3 {
    color: var(--accent);
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.rules-content p {
    margin: 0.5rem 0;
    line-height: 1.6;
}

.rules-content strong {
    color: var(--accent);
}

.profile-info {
    padding: 2rem;
    background: var(--card-bg);
    margin: 2rem auto;
    max-width: 600px;
    border: 1px solid var(--card-border);
    border-radius: 10px;
}

.profile-info p {
    margin: 0.5rem 0;
}

.admin-buttons {
    display: flex;
    gap: 10px;
    margin-top: 1rem;
}

.btn-danger {
    background: #dc3545;
    color: white;
}

.btn-danger:hover {
    background: #c82333;
}

.btn-warning {
    background: #ffc107;
    color: black;
}

.btn-warning:hover {
    background: #e0a800;
}

.btn-delete {
    background: #6c757d;
    color: white;
}

.btn-delete:hover {
    background: #545b62;
}

.btn-admin {
    display: inline-block;
    padding: 10px 20px;
    background: #28a745;
    color: white;
    text-decoration: none;
    border-radius: 5px;
    font-weight: bold;
    margin-top: 10px;
}

.btn-admin:hover {
    background: #218838;
}

/* Админ-формы */
#admin-search-form, #news-form {
    margin: 1rem 0;
    padding: 1rem;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 8px;
}

#admin-search-form input, #news-form input, #news-form textarea {
    width: 100%;
    padding: 10px;
    margin: 5px 0;
    border: 1px solid var(--card-border);
    border-radius: 5px;
    background: var(--card-bg);
    color: var(--text-color);
}

#news-form textarea {
    min-height: 100px;
}

.theme-toggle {
    position: fixed;
    top: 10px;
    right: 10px;
    z-index: 1000;
    background: var(--accent);
    color: black;
    border: none;
    padding: 5px 10px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 0.8rem;
    transition: background 0.3s;
}

.theme-toggle:hover {
    background: var(--accent-hover);
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 2rem;
    }

    nav a {
        margin: 0 8px;
        font-size: 0.9rem;
    }
}