/* ==================== CSS VARIABLES ==================== */
:root {
    --primary-blue: #356c89;
    --primary-blue-light: #4a8fb3;
    --primary-gold: #d4af37;
    --accent-cyan: #00d4ff;
    --success-green: #10b981;
    --warning-orange: #f59e0b;
    --danger-red: #ef4444;
    --white: #ffffff;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    --sidebar-width: 260px;
    --topbar-height: 70px;
    --transition-speed: 0.3s;
}

/* ==================== RESET & BASE ==================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--gray-50);
    color: var(--gray-900);
    line-height: 1.6;
}

/* ==================== LOGIN SCREEN ==================== */
.login-screen {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-light) 100%);
    padding: 20px;
}

.login-container {
    background: var(--white);
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    padding: 40px;
    max-width: 440px;
    width: 100%;
}

.login-header {
    text-align: center;
    margin-bottom: 30px;
}

/* Logo Styling */
.logo-container, .logo-container-sidebar {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    margin-bottom: 20px;
}

.logo-bars {
    display: flex;
    align-items: flex-end;
    gap: 4px;
}

.logo-bars .bar {
    width: 8px;
    background: var(--gray-800);
    border-radius: 2px;
}

.logo-bars .bar:nth-child(1) { height: 25px; }
.logo-bars .bar:nth-child(2) { height: 35px; }
.logo-bars .bar:nth-child(3) { height: 30px; }

.logo-bars.white .bar {
    background: var(--white);
}

.logo-text {
    text-align: left;
}

.logo-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--gray-800);
    letter-spacing: 1px;
}

.logo-subtitle {
    font-size: 9px;
    color: var(--gray-600);
    letter-spacing: 0.5px;
    font-weight: 500;
}

.logo-text.white .logo-title {
    color: var(--white);
}

.logo-text.white .logo-subtitle {
    color: rgba(255, 255, 255, 0.8);
}

.login-header h1 {
    font-size: 24px;
    color: var(--gray-900);
    margin-bottom: 8px;
}

.login-header .subtitle {
    font-size: 14px;
    color: var(--gray-600);
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 14px;
    font-weight: 500;
    color: var(--gray-700);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 12px 16px;
    border: 1px solid var(--gray-300);
    border-radius: 8px;
    font-size: 14px;
    transition: border-color var(--transition-speed);
}

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

.password-input-wrapper {
    position: relative;
}

.password-input-wrapper input {
    padding-right: 45px;
}

.password-toggle {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--gray-500);
    cursor: pointer;
    padding: 5px;
}

.login-btn {
    padding: 14px 24px;
    background: var(--primary-blue);
    color: var(--white);
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background var(--transition-speed);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.login-btn:hover {
    background: var(--primary-blue-light);
}

/* ==================== MAIN APP ==================== */
#app {
    display: flex;
    min-height: 100vh;
}

/* ==================== SIDEBAR ==================== */
.sidebar {
    width: var(--sidebar-width);
    background: var(--primary-blue);
    color: var(--white);
    display: flex;
    flex-direction: column;
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    z-index: 200;
}

.sidebar-header {
    padding: 25px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-nav {
    flex: 1;
    padding: 20px 0;
    overflow-y: auto;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: all var(--transition-speed);
    cursor: pointer;
}

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

.nav-item.active {
    background: rgba(255, 255, 255, 0.15);
    color: var(--white);
    border-left: 3px solid var(--primary-gold);
}

.nav-item i {
    width: 20px;
    text-align: center;
}

.sidebar-footer {
    padding: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    gap: 12px;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 1;
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
}

.user-details {
    flex: 1;
}

.user-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--white);
}

.user-role {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.7);
}

.logout-btn {
    padding: 8px 12px;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: 6px;
    color: var(--white);
    cursor: pointer;
    transition: background var(--transition-speed);
}

.logout-btn:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* ==================== MAIN CONTENT ==================== */
.main-content {
    margin-left: var(--sidebar-width);
    flex: 1;
    min-height: 100vh;
    background: var(--gray-50);
}

.top-bar {
    background: var(--white);
    padding: 20px 30px;
    border-bottom: 1px solid var(--gray-200);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.page-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--gray-900);
}

.page-content {
    padding: 30px;
}

/* ==================== DASHBOARD ==================== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: var(--white);
    border-radius: 12px;
    padding: 24px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15);
}

.stat-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.stat-icon.blue { background: rgba(53, 108, 137, 0.1); color: var(--primary-blue); }
.stat-icon.gold { background: rgba(212, 175, 55, 0.1); color: var(--primary-gold); }
.stat-icon.green { background: rgba(16, 185, 129, 0.1); color: var(--success-green); }
.stat-icon.cyan { background: rgba(0, 212, 255, 0.1); color: var(--accent-cyan); }

.stat-value {
    font-size: 32px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 4px;
}

.stat-label {
    font-size: 14px;
    color: var(--gray-600);
}

/* Mitteilungen Box */
.messages-box {
    background: var(--white);
    border-radius: 12px;
    padding: 24px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    margin-bottom: 30px;
}

.messages-box h2 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--gray-900);
}

.message-item {
    padding: 16px;
    background: var(--gray-50);
    border-radius: 8px;
    margin-bottom: 12px;
    display: flex;
    gap: 16px;
    align-items: start;
}

.message-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.message-icon.info { background: rgba(0, 212, 255, 0.1); color: var(--accent-cyan); }
.message-icon.warning { background: rgba(245, 158, 11, 0.1); color: var(--warning-orange); }
.message-icon.success { background: rgba(16, 185, 129, 0.1); color: var(--success-green); }

.message-content {
    flex: 1;
}

.message-text {
    font-size: 14px;
    color: var(--gray-900);
    margin-bottom: 4px;
}

.message-time {
    font-size: 12px;
    color: var(--gray-500);
}

.message-action {
    padding: 6px 12px;
    background: var(--primary-blue);
    color: var(--white);
    border: none;
    border-radius: 6px;
    font-size: 12px;
    cursor: pointer;
    transition: background var(--transition-speed);
}

.message-action:hover {
    background: var(--primary-blue-light);
}

/* Team-Übersicht */
.team-overview {
    background: var(--white);
    border-radius: 12px;
    padding: 24px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    margin-bottom: 30px;
}

.team-overview h2 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--gray-900);
}

.team-table {
    width: 100%;
    border-collapse: collapse;
}

.team-table th {
    text-align: left;
    padding: 12px;
    background: var(--gray-50);
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-700);
    border-bottom: 2px solid var(--gray-200);
}

.team-table td {
    padding: 16px 12px;
    border-bottom: 1px solid var(--gray-200);
    font-size: 14px;
    color: var(--gray-900);
}

.team-member {
    display: flex;
    align-items: center;
    gap: 12px;
}

.team-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--primary-blue);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
}

.badge {
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
}

.badge.active {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success-green);
}

.badge.inactive {
    background: rgba(107, 114, 128, 0.1);
    color: var(--gray-600);
}

.btn-details {
    padding: 6px 16px;
    background: var(--primary-blue);
    color: var(--white);
    border: none;
    border-radius: 6px;
    font-size: 13px;
    cursor: pointer;
    transition: background var(--transition-speed);
}

.btn-details:hover {
    background: var(--primary-blue-light);
}

/* ==================== BUTTONS ==================== */
.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-speed);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

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

.btn-primary:hover {
    background: var(--primary-blue-light);
}

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

.btn-success:hover {
    background: #059669;
}

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

.btn-danger:hover {
    background: #dc2626;
}

/* ==================== CARDS ==================== */
.card {
    background: var(--white);
    border-radius: 12px;
    padding: 24px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    margin-bottom: 20px;
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 10px;
}

.card-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--gray-900);
}

/* ==================== TABLES ==================== */
.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th {
    text-align: left;
    padding: 12px;
    background: var(--gray-50);
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-700);
    border-bottom: 2px solid var(--gray-200);
}

.data-table td {
    padding: 16px 12px;
    border-bottom: 1px solid var(--gray-200);
    font-size: 14px;
    color: var(--gray-900);
}

.data-table tr:hover {
    background: var(--gray-50);
}

/* ==================== TABS ==================== */
.tabs {
    display: flex;
    gap: 8px;
    border-bottom: 2px solid var(--gray-200);
    margin-bottom: 24px;
}

.tab {
    padding: 12px 24px;
    background: none;
    border: none;
    color: var(--gray-600);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    border-bottom: 3px solid transparent;
    transition: all var(--transition-speed);
}

.tab:hover {
    color: var(--primary-blue);
}

.tab.active {
    color: var(--primary-blue);
    border-bottom-color: var(--primary-blue);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* ==================== TOAST NOTIFICATIONS ==================== */
#toastContainer {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 1000;
}

.toast {
    background: var(--white);
    padding: 16px 20px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    margin-top: 12px;
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 300px;
    animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
    from {
        transform: translateX(400px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.toast.success { border-left: 4px solid var(--success-green); }
.toast.error { border-left: 4px solid var(--danger-red); }
.toast.warning { border-left: 4px solid var(--warning-orange); }
.toast.info { border-left: 4px solid var(--accent-cyan); }

/* ==================== RESPONSIVE ==================== */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
}