/* ATH IST/SOLL Präsentation - Globales Styling */
:root {
    --primary-color: #2563eb;
    --secondary-color: #64748b;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --bg-light: #f8fafc;
    --bg-white: #ffffff;
    --text-dark: #1e293b;
    --text-muted: #64748b;
    --border-color: #e2e8f0;
}

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

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

/* Navigation */
.navbar {
    background-color: var(--bg-white);
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
}

.nav-menu {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.nav-link {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    transition: all 0.2s;
}

.nav-link:hover {
    background-color: var(--bg-light);
    color: var(--primary-color);
}

.nav-link.active {
    background-color: var(--primary-color);
    color: white;
}

/* Container */
.container {
    max-width: 1400px;
    margin: 2rem auto;
    padding: 0 2rem;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, #1e40af 100%);
    color: white;
    padding: 3rem 2rem;
    border-radius: 1rem;
    margin-bottom: 2rem;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.2rem;
    opacity: 0.9;
}

/* Cards */
.card {
    background-color: var(--bg-white);
    border-radius: 0.75rem;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.card h2 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.card h3 {
    font-size: 1.25rem;
    margin: 1rem 0 0.5rem 0;
    color: var(--text-dark);
}

/* Grid */
.grid {
    display: grid;
    gap: 1.5rem;
}

.grid-2 {
    grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
    grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 1024px) {
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
    .nav-menu { flex-direction: column; gap: 0.5rem; }
}

/* KPI Cards */
.kpi-card {
    background: linear-gradient(135deg, var(--primary-color) 0%, #1e40af 100%);
    color: white;
    border-radius: 0.75rem;
    padding: 1.5rem;
    text-align: center;
}

.kpi-value {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.kpi-label {
    font-size: 1rem;
    opacity: 0.9;
}

.kpi-card.warning {
    background: linear-gradient(135deg, var(--warning-color) 0%, #d97706 100%);
}

.kpi-card.danger {
    background: linear-gradient(135deg, var(--danger-color) 0%, #dc2626 100%);
}

.kpi-card.success {
    background: linear-gradient(135deg, var(--success-color) 0%, #059669 100%);
}

/* Charts */
.chart-container {
    position: relative;
    height: 400px;
    margin-bottom: 1rem;
}

/* Tables */
.table-container {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--bg-white);
}

thead {
    background-color: var(--bg-light);
}

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

th {
    font-weight: 600;
    color: var(--text-dark);
}

tr:hover {
    background-color: var(--bg-light);
}

/* Badges */
.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 600;
}

.badge-primary { background-color: #dbeafe; color: var(--primary-color); }
.badge-success { background-color: #d1fae5; color: var(--success-color); }
.badge-warning { background-color: #fef3c7; color: var(--warning-color); }
.badge-danger { background-color: #fee2e2; color: var(--danger-color); }

/* Tree View */
.tree {
    margin: 1rem 0;
}

.tree-node {
    margin-left: 1.5rem;
}

.tree-label {
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 0.5rem;
    display: inline-block;
    margin: 0.25rem 0;
}

.tree-label:hover {
    background-color: var(--bg-light);
}

.tree-icon {
    margin-right: 0.5rem;
    font-weight: bold;
}

.tree-count {
    color: var(--text-muted);
    font-size: 0.875rem;
    margin-left: 0.5rem;
}

/* Markdown Content */
.markdown-content {
    line-height: 1.8;
    max-width: 1000px;
}

.markdown-content h1 {
    font-size: 2rem;
    font-weight: 700;
    margin: 2.5rem 0 1.5rem 0;
    padding-bottom: 0.75rem;
    border-bottom: 3px solid var(--primary-color);
    color: var(--text-dark);
}

.markdown-content h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin: 2rem 0 1rem 0;
    padding-left: 1rem;
    border-left: 4px solid var(--primary-color);
    color: var(--text-dark);
}

.markdown-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin: 1.5rem 0 0.75rem 0;
    padding: 0.5rem 0.75rem;
    background-color: var(--bg-light);
    border-radius: 0.25rem;
    color: var(--primary-color);
}

.markdown-content h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin: 1rem 0 0.5rem 0;
    color: var(--secondary-color);
}

.markdown-content p {
    margin-bottom: 1rem;
    text-align: justify;
}

.markdown-content ul, .markdown-content ol {
    margin-left: 2rem;
    margin-bottom: 1.5rem;
    line-height: 2;
}

.markdown-content ul li {
    margin-bottom: 0.5rem;
    position: relative;
}

.markdown-content ul li::marker {
    color: var(--primary-color);
}

.markdown-content ol li::marker {
    color: var(--primary-color);
    font-weight: 600;
}

.markdown-content code {
    background-color: var(--bg-light);
    padding: 0.2rem 0.5rem;
    border-radius: 0.25rem;
    font-family: 'Courier New', monospace;
    font-size: 0.9em;
    color: #c7254e;
}

.markdown-content pre {
    background-color: var(--bg-light);
    padding: 1rem;
    border-radius: 0.5rem;
    overflow-x: auto;
    margin-bottom: 1.5rem;
    border-left: 3px solid var(--primary-color);
}

.markdown-content pre code {
    background: none;
    padding: 0;
    color: inherit;
}

.markdown-content blockquote {
    border-left: 4px solid var(--warning-color);
    padding-left: 1rem;
    margin: 1.5rem 0;
    color: var(--text-muted);
    font-style: italic;
}

.markdown-content hr {
    border: none;
    border-top: 2px solid var(--border-color);
    margin: 2rem 0;
}

.markdown-content strong {
    color: var(--text-dark);
    font-weight: 600;
}

.markdown-content em {
    color: var(--secondary-color);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s;
    border: none;
    cursor: pointer;
}

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

.btn-primary:hover {
    background-color: #1e40af;
}

/* Footer */
.footer {
    text-align: center;
    padding: 2rem;
    color: var(--text-muted);
    margin-top: 4rem;
}