{% extends "base.html" %}

{% block title %}Admin Panel - Mercedes-Benz MYP Platform{% endblock %}

{% block head %}
{{ super() }}
<!-- CSRF Token für AJAX-Anfragen -->
<meta name="csrf-token" content="{{ csrf_token() }}">
<script src="{{ url_for('static', filename='js/admin.js') }}" defer></script>
<style>
/* Mercedes-Benz Admin Dashboard Styles */
.admin-hero {
    background: linear-gradient(135deg, #0072ce 0%, #004d8c 100%);
    position: relative;
    overflow: hidden;
}

.admin-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Ccircle cx='30' cy='30' r='2'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E") repeat;
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

.stat-card-modern {
    background: linear-gradient(145deg, #ffffff 0%, #f8fafc 100%);
    border: 1px solid rgba(226, 232, 240, 0.8);
    border-radius: 20px;
    padding: 2rem;
    position: relative;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.dark .stat-card-modern {
    background: linear-gradient(145deg, #1e293b 0%, #0f172a 100%);
    border-color: rgba(51, 65, 85, 0.6);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
}

.stat-card-modern:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 40px rgba(0, 114, 206, 0.15);
}

.dark .stat-card-modern:hover {
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.stat-card-modern::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #0072ce, #00a8cc, #0072ce);
    background-size: 200% 100%;
    animation: shimmer 3s ease-in-out infinite;
}

@keyframes shimmer {
    0%, 100% { background-position: 200% 0; }
    50% { background-position: -200% 0; }
}

.stat-icon-modern {
    width: 4rem;
    height: 4rem;
    background: linear-gradient(135deg, #0072ce, #00a8cc);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    margin-bottom: 1.5rem;
    box-shadow: 0 8px 16px rgba(0, 114, 206, 0.3);
    animation: pulse-glow 2s ease-in-out infinite;
}

@keyframes pulse-glow {
    0%, 100% { box-shadow: 0 8px 16px rgba(0, 114, 206, 0.3); }
    50% { box-shadow: 0 8px 24px rgba(0, 114, 206, 0.5); }
}

.tab-modern {
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(226, 232, 240, 0.8);
    border-radius: 16px;
    padding: 1rem 2rem;
    margin: 0 0.5rem;
    color: #64748b;
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.dark .tab-modern {
    background: rgba(30, 41, 59, 0.9);
    border-color: rgba(51, 65, 85, 0.6);
    color: #94a3b8;
}

.tab-modern:hover {
    transform: translateY(-2px);
    background: rgba(0, 114, 206, 0.1);
    color: #0072ce;
    border-color: #0072ce;
}

.tab-modern.active {
    background: linear-gradient(135deg, #0072ce, #00a8cc);
    color: white;
    border-color: transparent;
    box-shadow: 0 8px 16px rgba(0, 114, 206, 0.3);
}

.content-card-modern {
    background: rgba(255, 255, 255, 0.95);
    border: 1px solid rgba(226, 232, 240, 0.8);
    border-radius: 24px;
    padding: 2.5rem;
    backdrop-filter: blur(20px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.dark .content-card-modern {
    background: rgba(30, 41, 59, 0.95);
    border-color: rgba(51, 65, 85, 0.6);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
}

.table-modern {
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(226, 232, 240, 0.8);
}

.dark .table-modern {
    border-color: rgba(51, 65, 85, 0.6);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
}

.table-modern thead {
    background: linear-gradient(135deg, #f8fafc, #e2e8f0);
}

.dark .table-modern thead {
    background: linear-gradient(135deg, #1e293b, #0f172a);
}

.table-modern tbody tr:hover {
    background: rgba(0, 114, 206, 0.05);
    transform: scale(1.01);
    transition: all 0.2s ease;
}

.dark .table-modern tbody tr:hover {
    background: rgba(0, 114, 206, 0.1);
}

.btn-modern {
    background: linear-gradient(135deg, #0072ce, #00a8cc);
    border: none;
    border-radius: 12px;
    padding: 0.75rem 1.5rem;
    color: white;
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(0, 114, 206, 0.3);
}

.btn-modern:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 114, 206, 0.4);
    color: white;
}

.btn-success-modern {
    background: linear-gradient(135deg, #10b981, #059669);
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.btn-success-modern:hover {
    box-shadow: 0 8px 20px rgba(16, 185, 129, 0.4);
}

.btn-danger-modern {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
}

.btn-danger-modern:hover {
    box-shadow: 0 8px 20px rgba(239, 68, 68, 0.4);
}

.form-modern {
    background: rgba(248, 250, 252, 0.8);
    border: 1px solid rgba(226, 232, 240, 0.8);
    border-radius: 16px;
    padding: 2rem;
    backdrop-filter: blur(10px);
}

.dark .form-modern {
    background: rgba(30, 41, 59, 0.8);
    border-color: rgba(51, 65, 85, 0.6);
}

.input-modern {
    background: rgba(255, 255, 255, 0.9);
    border: 2px solid rgba(226, 232, 240, 0.8);
    border-radius: 12px;
    padding: 0.75rem 1rem;
    transition: all 0.3s ease;
    backdrop-filter: blur(5px);
}

.dark .input-modern {
    background: rgba(30, 41, 59, 0.9);
    border-color: rgba(51, 65, 85, 0.6);
    color: white;
}

.input-modern:focus {
    border-color: #0072ce;
    box-shadow: 0 0 0 3px rgba(0, 114, 206, 0.1);
    outline: none;
}

.status-indicator-modern {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    display: inline-block;
    margin-right: 0.5rem;
    animation: pulse 2s infinite;
}

.status-online-modern {
    background: linear-gradient(135deg, #10b981, #059669);
    box-shadow: 0 0 10px rgba(16, 185, 129, 0.5);
}

.status-offline-modern {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    box-shadow: 0 0 10px rgba(239, 68, 68, 0.5);
}

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

.progress-bar-modern {
    background: rgba(226, 232, 240, 0.5);
    border-radius: 10px;
    height: 8px;
    overflow: hidden;
    position: relative;
}

.progress-fill-modern {
    height: 100%;
    border-radius: 10px;
    background: linear-gradient(90deg, #0072ce, #00a8cc);
    transition: width 0.5s ease;
    position: relative;
}

.progress-fill-modern::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: progress-shine 2s ease-in-out infinite;
}

@keyframes progress-shine {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

@keyframes animate-fade-in-up {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in-up {
    animation: animate-fade-in-up 0.6s ease-out forwards;
}
</style>
{% endblock %}

{% block content %}
<div class="min-h-screen bg-gradient-to-br from-slate-50 via-blue-50 to-indigo-50 dark:from-slate-900 dark:via-slate-800 dark:to-slate-900">
    <!-- Hero Section -->
    <div class="admin-hero text-white py-16 mb-8">
        <div class="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8 relative z-10">
            <div class="text-center">
                <h1 class="text-5xl font-bold mb-4 tracking-tight">
                    Mercedes-Benz Admin Panel
                </h1>
                <p class="text-xl opacity-90 max-w-2xl mx-auto">
                    Verwalten Sie Ihr MYP-System mit modernster Technologie und Mercedes-Benz Qualität
                </p>
            </div>
        </div>
    </div>

    <div class="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8 pb-12">
        <!-- Stats Cards -->
        <div class="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-4 gap-6 mb-12">
            <div class="stat-card-modern">
                <div class="stat-icon-modern">
                    <svg class="w-8 h-8" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M12 4.354a4 4 0 110 5.292M15 21H3v-1a6 6 0 0112 0v1zm0 0h6v-1a6 6 0 00-9-5.197M13 7a4 4 0 11-8 0 4 4 0 018 0z" />
                    </svg>
                </div>
                <div class="text-sm font-medium text-slate-600 dark:text-slate-400 mb-2 uppercase tracking-wider">Benutzer</div>
                <div class="text-3xl font-bold text-slate-900 dark:text-white mb-1">{{ stats.total_users }}</div>
                <div class="text-sm text-slate-500 dark:text-slate-400">Registrierte Benutzer</div>
            </div>

            <div class="stat-card-modern">
                <div class="stat-icon-modern">
                    <svg class="w-8 h-8" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M17 17h2a2 2 0 002-2v-4a2 2 0 00-2-2H5a2 2 0 00-2 2v4a2 2 0 002 2h2m2 4h6a2 2 0 002-2v-4a2 2 0 00-2-2H9a2 2 0 00-2 2v4a2 2 0 002 2zm8-12V5a2 2 0 00-2-2H9a2 2 0 00-2 2v4h10z" />
                    </svg>
                </div>
                <div class="text-sm font-medium text-slate-600 dark:text-slate-400 mb-2 uppercase tracking-wider">Drucker</div>
                <div class="text-3xl font-bold text-slate-900 dark:text-white mb-1">{{ stats.total_printers }}</div>
                <div class="text-sm text-slate-500 dark:text-slate-400">Verbundene Drucker</div>
            </div>

            <div class="stat-card-modern">
                <div class="stat-icon-modern">
                    <svg class="w-8 h-8" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 11H5m14 0a2 2 0 012 2v6a2 2 0 01-2 2H5a2 2 0 01-2-2v-6a2 2 0 012-2m14 0V9a2 2 0 00-2-2M5 11V9a2 2 0 012-2m0 0V5a2 2 0 012-2h6a2 2 0 012 2v2M7 7h10" />
                    </svg>
                </div>
                <div class="text-sm font-medium text-slate-600 dark:text-slate-400 mb-2 uppercase tracking-wider">Aktive Jobs</div>
                <div class="text-3xl font-bold text-slate-900 dark:text-white mb-1">{{ stats.active_jobs }}</div>
                <div class="text-sm text-slate-500 dark:text-slate-400">Laufende Druckaufträge</div>
            </div>

            <div class="stat-card-modern">
                <div class="stat-icon-modern">
                    <svg class="w-8 h-8" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 12l2 2 4-4m6 2a9 9 0 11-18 0 9 9 0 0118 0z" />
                    </svg>
                </div>
                <div class="text-sm font-medium text-slate-600 dark:text-slate-400 mb-2 uppercase tracking-wider">Erfolgsrate</div>
                <div class="text-3xl font-bold text-slate-900 dark:text-white mb-1">{{ stats.success_rate }}%</div>
                <div class="text-sm text-slate-500 dark:text-slate-400">Erfolgreiche Druckaufträge</div>
            </div>
        </div>

        <!-- Navigation Tabs -->
        <div class="flex flex-wrap justify-center gap-4 mb-8">
            <a href="{{ url_for('admin_page', tab='users') }}" class="tab-modern {{ 'active' if active_tab == 'users' else '' }}">
                <svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                    <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M12 4.354a4 4 0 110 5.292M15 21H3v-1a6 6 0 0112 0v1zm0 0h6v-1a6 6 0 00-9-5.197M13 7a4 4 0 11-8 0 4 4 0 018 0z" />
                </svg>
                Benutzer
            </a>
            <a href="{{ url_for('admin_page', tab='printers') }}" class="tab-modern {{ 'active' if active_tab == 'printers' else '' }}">
                <svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                    <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M17 17h2a2 2 0 002-2v-4a2 2 0 00-2-2H5a2 2 0 00-2 2v4a2 2 0 002 2h2m2 4h6a2 2 0 002-2v-4a2 2 0 00-2-2H9a2 2 0 00-2 2v4a2 2 0 002 2zm8-12V5a2 2 0 00-2-2H9a2 2 0 00-2 2v4h10z" />
                </svg>
                Drucker
            </a>
            <a href="{{ url_for('admin_page', tab='scheduler') }}" class="tab-modern {{ 'active' if active_tab == 'scheduler' else '' }}">
                <svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                    <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M12 8v4l3 3m6-3a9 9 0 11-18 0 9 9 0 0118 0z" />
                </svg>
                Scheduler
            </a>
            <a href="{{ url_for('admin_page', tab='system') }}" class="tab-modern {{ 'active' if active_tab == 'system' else '' }}">
                <svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                    <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 3v2m6-2v2M9 19v2m6-2v2M5 9H3m2 6H3m18-6h-2m2 6h-2M7 19h10a2 2 0 002-2V7a2 2 0 00-2-2H7a2 2 0 00-2 2v10a2 2 0 002 2zM9 9h6v6H9V9z" />
                </svg>
                System
            </a>
            <a href="{{ url_for('admin_page', tab='logs') }}" class="tab-modern {{ 'active' if active_tab == 'logs' else '' }}">
                <svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                    <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2" />
                </svg>
                Logs
            </a>
        </div>

        <!-- Tab Content -->
        {% if active_tab == 'users' %}
        <div class="content-card-modern">
            <div class="flex flex-col md:flex-row md:justify-between md:items-center mb-8 gap-4">
                <h3 class="text-3xl font-bold text-slate-900 dark:text-white">Benutzerverwaltung</h3>
                <form action="{{ url_for('admin_page', tab='users') }}" method="get">
                    <button type="submit" class="btn-modern">
                        <svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                            <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M4 4v5h.582m15.356 2A8.001 8.001 0 004.582 9m0 0H9m11 11v-5h-.581m0 0a8.003 8.003 0 01-15.357-2m15.357 2H15"/>
                        </svg>
                        Aktualisieren
                    </button>
                </form>
            </div>

            <div class="table-modern mb-8">
                <table class="w-full">
                    <thead>
                        <tr class="text-left">
                            <th class="px-6 py-4 text-sm font-semibold text-slate-700 dark:text-slate-300 uppercase tracking-wider">Benutzer</th>
                            <th class="px-6 py-4 text-sm font-semibold text-slate-700 dark:text-slate-300 uppercase tracking-wider">Rolle</th>
                            <th class="px-6 py-4 text-sm font-semibold text-slate-700 dark:text-slate-300 uppercase tracking-wider">Status</th>
                            <th class="px-6 py-4 text-sm font-semibold text-slate-700 dark:text-slate-300 uppercase tracking-wider text-right">Aktionen</th>
                        </tr>
                    </thead>
                    <tbody class="bg-white dark:bg-slate-800 divide-y divide-slate-200 dark:divide-slate-700">
                        {% for user in users %}
                        <tr class="hover:bg-slate-50 dark:hover:bg-slate-700 transition-colors">
                            <td class="px-6 py-4">
                                <div class="flex items-center gap-4">
                                    <div class="flex-shrink-0 h-12 w-12 rounded-full bg-gradient-to-br from-blue-500 to-purple-600 flex items-center justify-center text-white font-bold text-lg shadow-lg">
                                        {{ user.email[0]|upper if user.email else 'U' }}
                                    </div>
                                    <div>
                                        <div class="text-base font-semibold text-slate-900 dark:text-white">{{ user.name }}</div>
                                        <div class="text-sm text-slate-500 dark:text-slate-400">{{ user.email }}</div>
                                    </div>
                                </div>
                            </td>
                            <td class="px-6 py-4">
                                <span class="inline-flex items-center px-3 py-1 rounded-full text-xs font-medium {{ 'bg-blue-100 text-blue-800 dark:bg-blue-900 dark:text-blue-200' if user.is_admin else 'bg-gray-100 text-gray-800 dark:bg-gray-700 dark:text-gray-300' }}">
                                    {{ 'Administrator' if user.is_admin else 'Benutzer' }}
                                </span>
                            </td>
                            <td class="px-6 py-4">
                                <div class="flex items-center">
                                    <div class="status-indicator-modern {{ 'status-online-modern' if user.active else 'status-offline-modern' }}"></div>
                                    <span class="text-sm font-medium {{ 'text-green-600 dark:text-green-400' if user.active else 'text-red-600 dark:text-red-400' }}">
                                        {{ 'Aktiv' if user.active else 'Inaktiv' }}
                                    </span>
                                </div>
                            </td>
                            <td class="px-6 py-4 text-right">
                                <form method="post" action="{{ url_for('delete_user', user_id=user.id) }}" class="inline" onsubmit="return confirm('Benutzer wirklich löschen?');">
                                    <input type="hidden" name="csrf_token" value="{{ csrf_token() }}">
                                    <button type="submit" class="text-red-600 hover:text-red-900 dark:text-red-400 dark:hover:text-red-300 transition-colors p-2 rounded-lg hover:bg-red-50 dark:hover:bg-red-900/20">
                                        <svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                                            <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 7l-.867 12.142A2 2 0 0116.138 21H7.862a2 2 0 01-1.995-1.858L5 7m5 4v6m4-6v6m1-10V4a1 1 0 00-1-1h-4a1 1 0 00-1 1v3M4 7h16" />
                                        </svg>
                                    </button>
                                </form>
                            </td>
                        </tr>
                        {% endfor %}
                    </tbody>
                </table>
            </div>

            <!-- Add User Form -->
            <div class="form-modern">
                <h4 class="text-2xl font-semibold text-slate-900 dark:text-white mb-6">Neuen Benutzer hinzufügen</h4>
                <form action="{{ url_for('create_user') }}" method="post" class="grid grid-cols-1 md:grid-cols-2 gap-6">
                    <input type="hidden" name="csrf_token" value="{{ csrf_token() }}">
                    <div>
                        <label for="user-email" class="block text-sm font-medium text-slate-700 dark:text-slate-300 mb-2">Email</label>
                        <input type="email" id="user-email" name="email" class="input-modern w-full" required>
                    </div>
                    <div>
                        <label for="user-name" class="block text-sm font-medium text-slate-700 dark:text-slate-300 mb-2">Name</label>
                        <input type="text" id="user-name" name="name" class="input-modern w-full" required>
                    </div>
                    <div>
                        <label for="user-password" class="block text-sm font-medium text-slate-700 dark:text-slate-300 mb-2">Passwort</label>
                        <input type="password" id="user-password" name="password" class="input-modern w-full" required>
                    </div>
                    <div>
                        <label for="user-role" class="block text-sm font-medium text-slate-700 dark:text-slate-300 mb-2">Rolle</label>
                        <select id="user-role" name="role" class="input-modern w-full">
                            <option value="user">Benutzer</option>
                            <option value="admin">Administrator</option>
                        </select>
                    </div>
                    <div class="col-span-1 md:col-span-2 flex justify-end">
                        <button type="submit" class="btn-modern">
                            <svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M12 6v6m0 0v6m0-6h6m-6 0H6" />
                            </svg>
                            Benutzer hinzufügen
                        </button>
                    </div>
                </form>
            </div>
        </div>
        {% endif %}

        <!-- Weitere Tabs bleiben unverändert, aber mit modernem Styling -->
        {% if active_tab == 'system' %}
        <div class="content-card-modern">
            <h3 class="text-3xl font-bold text-slate-900 dark:text-white mb-8">System-Übersicht</h3>
            
            <div class="grid grid-cols-1 md:grid-cols-2 gap-8">
                <div class="form-modern">
                    <h4 class="text-xl font-semibold text-slate-900 dark:text-white mb-6">System Ressourcen</h4>
                    <div class="space-y-6">
                        <div>
                            <div class="flex justify-between mb-2">
                                <span class="text-slate-700 dark:text-slate-300">CPU Auslastung</span>
                                <span class="text-slate-900 dark:text-white font-medium">{{ system_info.cpu if system_info else '0' }}%</span>
                            </div>
                            <div class="progress-bar-modern">
                                <div class="progress-fill-modern" style="width: {{ system_info.cpu if system_info else '0' }}%"></div>
                            </div>
                        </div>
                        <div>
                            <div class="flex justify-between mb-2">
                                <span class="text-slate-700 dark:text-slate-300">Arbeitsspeicher</span>
                                <span class="text-slate-900 dark:text-white font-medium">{{ system_info.memory if system_info else '0' }}%</span>
                            </div>
                            <div class="progress-bar-modern">
                                <div class="progress-fill-modern" style="width: {{ system_info.memory if system_info else '0' }}%"></div>
                            </div>
                        </div>
                        <div>
                            <div class="flex justify-between mb-2">
                                <span class="text-slate-700 dark:text-slate-300">Festplattenspeicher</span>
                                <span class="text-slate-900 dark:text-white font-medium">{{ system_info.disk if system_info else '0' }}%</span>
                            </div>
                            <div class="progress-bar-modern">
                                <div class="progress-fill-modern" style="width: {{ system_info.disk if system_info else '0' }}%"></div>
                            </div>
                        </div>
                    </div>
                </div>

                <div class="form-modern">
                    <h4 class="text-xl font-semibold text-slate-900 dark:text-white mb-6">Dienste Status</h4>
                    <div class="space-y-4">
                        <div class="flex justify-between items-center p-4 bg-white dark:bg-slate-700 rounded-lg">
                            <div class="flex items-center">
                                <div class="status-indicator-modern status-online-modern"></div>
                                <span class="text-slate-900 dark:text-white font-medium">Webserver</span>
                            </div>
                            <span class="text-green-600 dark:text-green-400 font-semibold">Online</span>
                        </div>
                        <div class="flex justify-between items-center p-4 bg-white dark:bg-slate-700 rounded-lg">
                            <div class="flex items-center">
                                <div class="status-indicator-modern {{ 'status-online-modern' if scheduler_status.running else 'status-offline-modern' }}"></div>
                                <span class="text-slate-900 dark:text-white font-medium">Scheduler</span>
                            </div>
                            <span class="{{ 'text-green-600 dark:text-green-400' if scheduler_status.running else 'text-red-600 dark:text-red-400' }} font-semibold">
                                {{ 'Online' if scheduler_status.running else 'Offline' }}
                            </span>
                        </div>
                        <div class="flex justify-between items-center p-4 bg-white dark:bg-slate-700 rounded-lg">
                            <div class="flex items-center">
                                <div class="status-indicator-modern status-online-modern"></div>
                                <span class="text-slate-900 dark:text-white font-medium">Datenbank</span>
                            </div>
                            <span class="text-green-600 dark:text-green-400 font-semibold">Online</span>
                        </div>
                    </div>
                    
                    <div class="mt-6">
                        <form action="{{ url_for('admin_page', tab='system') }}" method="get">
                            <button type="submit" class="btn-modern w-full justify-center">
                                <svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                                    <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M4 4v5h.582m15.356 2A8.001 8.001 0 004.582 9m0 0H9m11 11v-5h-.581m0 0a8.003 8.003 0 01-15.357-2m15.357 2H15"/>
                                </svg>
                                System-Informationen aktualisieren
                            </button>
                        </form>
                    </div>
                </div>
            </div>
        </div>
        {% endif %}

        <!-- Scheduler Tab -->
        {% if active_tab == 'scheduler' %}
        <div class="content-card-modern">
            <div class="flex flex-col md:flex-row md:justify-between md:items-center mb-8 gap-4">
                <h3 class="text-3xl font-bold text-slate-900 dark:text-white">Scheduler Verwaltung</h3>
                <div class="flex space-x-4">
                    <form action="{{ url_for('start_scheduler') }}" method="post" class="inline">
                        <input type="hidden" name="csrf_token" value="{{ csrf_token() }}">
                        <button type="submit" class="btn-success-modern">
                            <svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M14.752 11.168l-3.197-2.132A1 1 0 0010 9.87v4.263a1 1 0 001.555.832l3.197-2.132a1 1 0 000-1.664z" />
                                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M21 12a9 9 0 11-18 0 9 9 0 0118 0z" />
                            </svg>
                            Scheduler starten
                        </button>
                    </form>
                    <form action="{{ url_for('stop_scheduler') }}" method="post" class="inline">
                        <input type="hidden" name="csrf_token" value="{{ csrf_token() }}">
                        <button type="submit" class="btn-danger-modern">
                            <svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M21 12a9 9 0 11-18 0 9 9 0 0118 0z" />
                                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 10a1 1 0 011-1h4a1 1 0 011 1v4a1 1 0 01-1 1h-4a1 1 0 01-1-1v-4z" />
                            </svg>
                            Scheduler stoppen
                        </button>
                    </form>
                </div>
            </div>

            <div class="form-modern">
                <div class="flex items-center justify-between p-6 mb-6 bg-white dark:bg-slate-700 rounded-xl">
                    <div class="flex items-center">
                        <div class="status-indicator-modern {{ 'status-online-modern' if scheduler_status.running else 'status-offline-modern' }}"></div>
                        <span class="text-2xl font-semibold ml-3 {{ 'text-green-600 dark:text-green-400' if scheduler_status.running else 'text-red-600 dark:text-red-400' }}">
                            {{ 'Aktiv' if scheduler_status.running else 'Inaktiv' }}
                        </span>
                    </div>
                    <div class="text-slate-700 dark:text-slate-300 text-lg">{{ scheduler_status.message }}</div>
                </div>

                <div class="bg-white dark:bg-slate-700 rounded-xl p-6">
                    <h4 class="text-xl font-semibold text-slate-900 dark:text-white mb-4">Scheduler Informationen</h4>
                    <div class="space-y-4 text-slate-700 dark:text-slate-300">
                        <p>Der Scheduler ist verantwortlich für die automatische Zuweisung und Ausführung von Druckaufträgen. Er überwacht kontinuierlich den Status der Drucker und der anstehenden Jobs.</p>
                        <ul class="list-disc list-inside space-y-2">
                            <li>Der Scheduler sollte während des normalen Betriebs immer aktiv sein</li>
                            <li>Bei Wartungsarbeiten kann der Scheduler vorübergehend deaktiviert werden</li>
                            <li>Nach einem Neustart des Systems muss der Scheduler manuell gestartet werden</li>
                        </ul>
                    </div>
                </div>
            </div>
        </div>
        {% endif %}

                 <!-- Weitere Tabs können hier hinzugefügt werden -->
    </div>
</div>
{% endblock %}

{% block scripts %}
<script>
document.addEventListener('DOMContentLoaded', function() {
    // Smooth animations for cards
    const cards = document.querySelectorAll('.stat-card-modern, .content-card-modern');
    cards.forEach((card, index) => {
        card.style.animationDelay = `${index * 0.1}s`;
        card.classList.add('animate-fade-in-up');
    });

    // Enhanced form validation
    const forms = document.querySelectorAll('form');
    forms.forEach(form => {
        form.addEventListener('submit', function(e) {
            const inputs = form.querySelectorAll('input[required]');
            let isValid = true;
            
            inputs.forEach(input => {
                if (!input.value.trim()) {
                    input.classList.add('border-red-500');
                    isValid = false;
                } else {
                    input.classList.remove('border-red-500');
                }
            });
            
            if (!isValid) {
                e.preventDefault();
                alert('Bitte füllen Sie alle erforderlichen Felder aus.');
            }
        });
    });
});
</script>
{% endblock %}