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

body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    background: #f9f9f9;
    color: #333;
}

header {
    background: #2c3e50;
    color: white;
    padding: 1rem;
    text-align: center;
}

nav {
    background: #34495e;
    padding: 0.5rem;
    text-align: center;
}

nav a {
    color: white;
    margin: 0 10px;
    text-decoration: none;
}

nav a:hover {
    text-decoration: underline;
}

main {
    padding: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    margin-bottom: 1rem;
    border-bottom: 2px solid #3498db;
    padding-bottom: 0.5rem;
}

.item-card {
    background: white;
    padding: 1rem;
    margin: 1rem 0;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.item-card img {
    max-width: 100%;
    height: auto;
    border-radius: 3px;
}

/* === Блок рекламы (горизонтальный ряд с прокруткой) === */
.ads-wrapper {
    width: 100%;
    background: #f1f1f1;
    padding: 1rem 0;
    margin-top: 1rem;
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
}

.ads-wrapper::-webkit-scrollbar {
    height: 8px;
}

.ads-wrapper::-webkit-scrollbar-track {
    background: #e0e0e0;
    border-radius: 4px;
}

.ads-wrapper::-webkit-scrollbar-thumb {
    background: #3498db;
    border-radius: 4px;
}

.ads-wrapper::-webkit-scrollbar-thumb:hover {
    background: #2980b9;
}

.ads-row {
    display: flex;
    gap: 15px;
    padding: 0 1rem;
    min-width: max-content;
}

.ads-container {
    flex: 0 0 auto;
    width: 350px;
    max-width: 350px;
    max-height: 200px;
    background: white;
    border: 1px solid #ddd;
    padding: 10px;
    overflow: hidden;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    display: flex;
    flex-direction: column;
}

.ads-container img {
    width: 100%;
    height: auto;
    max-height: 100px;
    object-fit: contain;
    border-radius: 3px;
    margin-bottom: 5px;
}

.ads-container .ad-title {
    font-weight: bold;
    font-size: 14px;
    margin: 3px 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.ads-container .ad-text {
    font-size: 12px;
    color: #555;
    margin: 3px 0;
    flex-grow: 1;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.ads-container .ad-btn {
    display: inline-block;
    margin-top: auto;
    padding: 5px 15px;
    background: #3498db;
    color: white;
    text-decoration: none;
    border-radius: 3px;
    font-size: 13px;
    text-align: center;
    align-self: flex-start;
}

.ads-container .ad-btn:hover {
    background: #2980b9;
}

/* === Форма входа === */
.login-container {
    max-width: 400px;
    margin: 100px auto;
    padding: 2rem;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.login-container input {
    width: 100%;
    padding: 10px;
    margin: 10px 0;
    border: 1px solid #ddd;
    border-radius: 4px;
}

.login-container button {
    width: 100%;
    padding: 10px;
    background: #3498db;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

.login-container button:hover {
    background: #2980b9;
}

.error {
    color: #e74c3c;
    margin: 10px 0;
}

/* === Админ-панель === */
.admin-panel {
    background: #ecf0f1;
    padding: 1rem;
    margin: 1rem 0;
    border-radius: 5px;
}

.admin-panel a {
    margin-right: 15px;
    color: #2c3e50;
}

form label {
    display: block;
    margin: 10px 0 5px;
    font-weight: bold;
}

form input,
form textarea,
form select {
    width: 100%;
    padding: 8px;
    border: 1px solid #ddd;
    border-radius: 4px;
}

form button {
    background: #27ae60;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    margin-top: 10px;
}

form button:hover {
    background: #219653;
}

.btn-delete {
    background: #e74c3c;
    color: white;
    padding: 5px 10px;
    text-decoration: none;
    border-radius: 3px;
    font-size: 14px;
}

.btn-edit {
    background: #f39c12;
    color: white;
    padding: 5px 10px;
    text-decoration: none;
    border-radius: 3px;
    font-size: 14px;
    margin-right: 5px;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin: 1rem 0;
    background: white;
}

th, td {
    padding: 10px;
    border: 1px solid #ddd;
    text-align: left;
}

th {
    background: #34495e;
    color: white;
}

/* === Футер === */
footer {
    text-align: center;
    padding: 1rem;
    background: #2c3e50;
    color: white;
    margin-top: 0;
}

/* === Адаптив === */
@media (max-width: 768px) {
    main {
        padding: 1rem;
    }
    
    .ads-container {
        width: 280px;
        max-width: 280px;
    }
    
    .ads-row {
        padding: 0 0.5rem;
    }
    
    nav a {
        display: block;
        margin: 5px 0;
    }
}