/* Variablen */
:root {
    --primary-color: #3f51b5;
    --secondary-color: #283593;
    --accent-color: #ff4081;
    --background-color: #f5f5f5;
    --card-color: #ffffff;
    --text-color: #333333;
    --text-light: #757575;
    --border-color: #dddddd;
    --success-color: #4caf50;
    --warning-color: #ff9800;
    --danger-color: #f44336;
    --shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    --card-shadow: 0 3px 6px rgba(0, 0, 0, 0.16);
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--background-color);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Header */
header {
    background-color: var(--primary-color);
    color: white;
    padding: 1rem 2rem;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

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

h1 {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
}

.server-info {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    font-size: 0.9rem;
}

/* Navigation */
nav {
    background-color: var(--secondary-color);
    display: flex;
    justify-content: center;
    padding: 0.5rem 1rem;
    overflow-x: auto;
    white-space: nowrap;
    position: sticky;
    top: 0;
    z-index: 99;
    box-shadow: var(--shadow);
}

.nav-button {
    background: none;
    color: rgba(255, 255, 255, 0.8);
    border: none;
    padding: 0.75rem 1.25rem;
    margin: 0 0.25rem;
    cursor: pointer;
    font-size: 1rem;
    border-radius: 4px;
    transition: all 0.3s;
}

.nav-button:hover {
    color: white;
    background-color: rgba(255, 255, 255, 0.1);
}

.nav-button.active {
    color: white;
    background-color: var(--primary-color);
    font-weight: bold;
}

/* Main Content */
main {
    flex: 1;
    padding: 2rem;
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
}

.panel {
    display: none;
}

.panel.active {
    display: block;
    animation: fadeIn 0.3s;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

h2 {
    margin-bottom: 1.5rem;
    color: var(--secondary-color);
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 0.5rem;
}

.card-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.card {
    background-color: var(--card-color);
    border-radius: 8px;
    padding: 1.5rem;
    box-shadow: var(--card-shadow);
    transition: transform 0.3s, box-shadow 0.3s;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.card.full-width {
    grid-column: 1 / -1;
}

h3 {
    margin-bottom: 1rem;
    color: var(--primary-color);
    font-size: 1.2rem;
}

/* Loader */
.loader {
    text-align: center;
    margin: 2rem 0;
    color: var(--text-light);
    font-style: italic;
}

/* Fortschrittsbalken */
.progress-container {
    margin-top: 1rem;
    background-color: #e0e0e0;
    border-radius: 4px;
    height: 8px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background-color: var(--primary-color);
    width: 0%;
    transition: width 0.5s ease-in-out;
}

/* Tool-Karten */
.tool-card {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.tool-input {
    display: flex;
    margin-bottom: 1rem;
    gap: 0.5rem;
}

.tool-input input {
    flex: 1;
    padding: 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 1rem;
}

.tool-input button {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    cursor: pointer;
    border-radius: 4px;
    font-size: 1rem;
    transition: background-color 0.3s;
}

.tool-input button:hover {
    background-color: var(--secondary-color);
}

.result-box {
    background-color: #f8f9fa;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 1rem;
    overflow: auto;
    min-height: 150px;
    max-height: 300px;
    font-family: 'Consolas', 'Courier New', monospace;
    font-size: 0.9rem;
    flex: 1;
}

/* Tabellen */
table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
}

th, td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

th {
    background-color: rgba(0, 0, 0, 0.05);
    font-weight: bold;
    color: var(--text-color);
}

tr:hover {
    background-color: rgba(0, 0, 0, 0.02);
}

/* Status-Anzeigen */
.status {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.9rem;
    font-weight: bold;
}

.status-online {
    background-color: var(--success-color);
    color: white;
}

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

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

/* Echtzeit-Monitor */
.gauge-container {
    display: flex;
    justify-content: center;
    margin: 1rem 0;
}

.gauge {
    position: relative;
    width: 150px;
    height: 75px;
    margin: 0 auto;
}

.gauge-body {
    position: relative;
    width: 100%;
    height: 100%;
    border-top-left-radius: 100px;
    border-top-right-radius: 100px;
    background-color: #e0e0e0;
    overflow: hidden;
}

.gauge-fill {
    position: absolute;
    bottom: 0;
    width: 100%;
    height: 0%;
    background-color: var(--primary-color);
    transition: height 0.5s;
}

.gauge-cover {
    position: absolute;
    bottom: 0;
    width: 90%;
    height: 90%;
    margin-left: 5%;
    margin-bottom: 5%;
    background-color: var(--card-color);
    border-top-left-radius: 80px;
    border-top-right-radius: 80px;
}

.gauge-value {
    position: absolute;
    bottom: -25px;
    width: 100%;
    text-align: center;
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

/* CPU-Cores */
.cpu-core {
    margin: 0.5rem 0;
}

.cpu-core-label {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.25rem;
}

.cpu-core-bar {
    height: 6px;
    background-color: #e0e0e0;
    border-radius: 3px;
}

.cpu-core-fill {
    height: 100%;
    background-color: var(--primary-color);
    border-radius: 3px;
    transition: width 0.5s;
}

/* Network Chart */
canvas {
    margin-top: 1rem;
    width: 100%;
    height: 200px;
}

/* Footer */
footer {
    background-color: var(--secondary-color);
    color: white;
    text-align: center;
    padding: 1rem;
    margin-top: auto;
    font-size: 0.9rem;
}

footer p {
    margin: 0.25rem 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    header {
        padding: 1rem;
    }
    
    .header-content {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .server-info {
        margin-top: 1rem;
        flex-direction: column;
        gap: 0.5rem;
    }
    
    main {
        padding: 1rem;
    }
    
    .card-container {
        grid-template-columns: 1fr;
    }
    
    .nav-button {
        padding: 0.5rem 0.75rem;
        font-size: 0.9rem;
    }
    
    .gauge {
        width: 120px;
        height: 60px;
    }
}