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

:root {
    --primary-color: #4CAF50;
    --secondary-color: #2196F3;
    --danger-color: #f44336;
    --warning-color: #ff9800;
    --dark-bg: #1e1e1e;
    --card-bg: #2d2d2d;
    --text-color: #e0e0e0;
    --border-color: #404040;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: var(--dark-bg);
    color: var(--text-color);
    line-height: 1.6;
}

/* Navbar */
.navbar {
    background-color: var(--card-bg);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 2rem;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
}

.nav-brand h1 {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 1rem;
}

#username-display {
    color: var(--text-color);
    font-weight: 500;
}

/* Buttons */
.btn {
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.3s;
    text-decoration: none;
    display: inline-block;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background-color: #45a049;
}

.btn-secondary {
    background-color: var(--secondary-color);
    color: white;
}

.btn-secondary:hover {
    background-color: #0b7dda;
}

.btn-success {
    background-color: var(--primary-color);
    color: white;
}

.btn-danger {
    background-color: var(--danger-color);
    color: white;
}

.btn-warning {
    background-color: var(--warning-color);
    color: white;
}

.btn-block {
    width: 100%;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Main Content */
.main-content {
    max-width: 1400px;
    margin: 2rem auto;
    padding: 0 2rem;
}

/* Login Page */
.login-page {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.login-container {
    width: 100%;
    max-width: 400px;
    padding: 2rem;
}

.login-box {
    background-color: var(--card-bg);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
}

.login-box h1 {
    text-align: center;
    margin-bottom: 2rem;
    color: var(--primary-color);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

.form-group input {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background-color: var(--dark-bg);
    color: var(--text-color);
    font-size: 1rem;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.error-message {
    color: var(--danger-color);
    margin-top: 1rem;
    text-align: center;
}

/* Dashboard Layout */
.dashboard-layout {
    display: flex;
    gap: 2rem;
    min-height: calc(100vh - 100px);
}

.dashboard-sidebar {
    width: 250px;
    flex-shrink: 0;
    background-color: var(--card-bg);
    border-radius: 8px;
    border: 1px solid var(--border-color);
    padding: 1.5rem 0;
    height: fit-content;
    position: sticky;
    top: 2rem;
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1.5rem;
    color: var(--text-color);
    text-decoration: none;
    transition: all 0.2s;
    border-left: 3px solid transparent;
}

.nav-item:hover {
    background-color: var(--dark-bg);
    border-left-color: var(--primary-color);
}

.nav-item.active {
    background-color: var(--dark-bg);
    border-left-color: var(--primary-color);
    color: var(--primary-color);
    font-weight: 500;
}

.nav-icon {
    font-size: 1.2rem;
    width: 24px;
    text-align: center;
}

.nav-text {
    flex: 1;
}

.dashboard-content {
    flex: 1;
    min-width: 0;
}

.dashboard-section {
    display: none;
}

.dashboard-section.active {
    display: block;
}

/* Dashboard */
.dashboard {
    display: grid;
    gap: 2rem;
}

.status-card {
    background-color: var(--card-bg);
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.status-card h2 {
    margin-bottom: 1.5rem;
    color: var(--primary-color);
}

.server-status {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.status-indicator {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background-color: #666;
    animation: pulse 2s infinite;
}

.status-indicator.running {
    background-color: var(--primary-color);
}

.status-indicator.stopped {
    background-color: var(--danger-color);
    animation: none;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.server-info {
    margin: 1rem 0;
    padding: 1rem;
    background-color: var(--dark-bg);
    border-radius: 4px;
}

.server-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* Mods Section */
.mods-section, .logs-section {
    background-color: var(--card-bg);
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.section-header h2 {
    color: var(--primary-color);
}

.mods-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.mod-card {
    background-color: var(--dark-bg);
    padding: 1rem;
    border-radius: 4px;
    border: 1px solid var(--border-color);
}

.mod-card h3 {
    font-size: 1rem;
    margin-bottom: 0.5rem;
    color: var(--text-color);
    word-break: break-word;
}

.mod-card .mod-info {
    font-size: 0.85rem;
    color: #999;
    margin-bottom: 0.5rem;
}

.mod-card .mod-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.install-mod-section {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.install-mod-section h3 {
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.install-mod-section .form-group {
    display: flex;
    gap: 1rem;
    align-items: flex-end;
}

.install-mod-section .form-group input {
    flex: 1;
}

/* Logs Section */
.logs-container {
    background-color: var(--dark-bg);
    padding: 1rem;
    border-radius: 4px;
    border: 1px solid var(--border-color);
    max-height: 500px;
    overflow-y: auto;
    font-family: 'Courier New', monospace;
    font-size: 0.85rem;
    line-height: 1.4;
}

.log-line {
    margin-bottom: 0.25rem;
    word-wrap: break-word;
}

.log-line.error {
    color: var(--danger-color);
}

.log-line.warn {
    color: var(--warning-color);
}

.log-line.info {
    color: var(--secondary-color);
}

/* Server Settings Section */
.server-settings-section, .admins-section, .worlds-section {
    background-color: var(--card-bg);
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

/* Класс для скрытия элементов */
.hidden {
    display: none !important;
}

.settings-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-control {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background-color: var(--dark-bg);
    color: var(--text-color);
    font-size: 1rem;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-group input[type="checkbox"] {
    width: auto;
    margin-right: 0.5rem;
}

/* Admins Section */
.admins-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1rem;
}

.admin-card {
    background-color: var(--dark-bg);
    padding: 1.5rem;
    border-radius: 4px;
    border: 1px solid var(--border-color);
}

.admin-card h3 {
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
    color: var(--primary-color);
}

.admin-info {
    font-size: 0.9rem;
    color: #999;
    margin-bottom: 1rem;
    line-height: 1.6;
}

.admin-actions {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.admin-actions .btn-sm {
    padding: 0.4rem 0.8rem;
    font-size: 0.85rem;
    width: 100%;
}

.admin-level-select {
    padding: 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background-color: var(--card-bg);
    color: var(--text-color);
    font-size: 0.9rem;
}

/* Create Admin Section */
.create-admin-section {
    background-color: var(--dark-bg);
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    margin-bottom: 2rem;
}

.create-admin-section h3 {
    margin-bottom: 1.5rem;
    color: var(--primary-color);
}

.create-admin-section .form-group {
    margin-bottom: 1rem;
}

.create-admin-section .form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-color);
    font-weight: 500;
}

.create-admin-section .btn {
    margin-top: 0.5rem;
}

/* Worlds Section */
.worlds-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.world-card {
    background-color: var(--dark-bg);
    padding: 1.5rem;
    border-radius: 4px;
    border: 1px solid var(--border-color);
}

.world-card.current-world {
    border-color: var(--primary-color);
    border-width: 2px;
}

.world-card h3 {
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
    color: var(--primary-color);
}

.world-info {
    font-size: 0.9rem;
    color: #999;
    margin-bottom: 1rem;
    line-height: 1.6;
}

.world-actions {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.world-actions .btn-sm {
    padding: 0.4rem 0.8rem;
    font-size: 0.85rem;
    width: 100%;
}

.create-world-section {
    background-color: var(--dark-bg);
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.create-world-section h3 {
    margin-bottom: 1.5rem;
    color: var(--primary-color);
}

.create-world-section .form-group {
    margin-bottom: 1rem;
}

.create-world-section .form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-color);
    font-weight: 500;
}

.create-world-section .form-group small {
    display: block;
    margin-top: 0.25rem;
}

.create-world-section .btn {
    margin-top: 0.5rem;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        gap: 1rem;
    }
    
    .main-content {
        padding: 0 1rem;
    }
    
    .dashboard-layout {
        flex-direction: column;
    }
    
    .dashboard-sidebar {
        width: 100%;
        position: static;
    }
    
    .sidebar-nav {
        flex-direction: row;
        overflow-x: auto;
        padding: 0 1rem;
    }
    
    .nav-item {
        white-space: nowrap;
        border-left: none;
        border-bottom: 3px solid transparent;
        padding: 0.75rem 1rem;
    }
    
    .nav-item:hover,
    .nav-item.active {
        border-left: none;
        border-bottom-color: var(--primary-color);
    }
    
    .server-actions {
        flex-direction: column;
    }
    
    .server-actions .btn {
        width: 100%;
    }
    
    .install-mod-section .form-group {
        flex-direction: column;
        align-items: stretch;
    }
    
    .admins-container {
        grid-template-columns: 1fr;
    }
}