:root {
    --primary-gold: #c5a059;
    --dark-bg: #0d1116;
    --header-bg: #090c10;
    --card-bg: rgba(30, 35, 45, 0.6);
    --text-light: #e6e6e6;
    --text-muted: #8b949e;
    --alt-bg-gradient-end: #11161d;
    --table-header-bg: rgba(197, 160, 89, 0.05);
    /* rgba of gold */
    --border-color: rgba(197, 160, 89, 0.1);
    --selection-bg: var(--primary-gold);
    --selection-text: #000;
}

[data-theme="light"] {
    --primary-gold: #b38832;
    /* Etwas dunkleres Gold für Kontrast auf hellem Grund */
    --dark-bg: #f5f7fa;
    --header-bg: #ffffff;
    --card-bg: #ffffff;
    --text-light: #24292f;
    --text-muted: #57606a;
    --alt-bg-gradient-end: #e1e4e8;
    --table-header-bg: rgba(179, 136, 50, 0.12);
    /* Subtle Gold-Tönung für Kontrast */
    --border-color: rgba(179, 136, 50, 0.3);
    /* Stärkere Abgrenzung */
    --selection-bg: rgba(179, 136, 50, 0.2);
    --selection-text: #000;
}

::selection {
    background-color: var(--selection-bg);
    color: var(--selection-text);
}

* {
    box-sizing: border-box;
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, sans-serif;
    margin: 0;
    padding: 0;
    background-color: var(--dark-bg);
    color: var(--text-light);
    line-height: 1.6;
}

/* Header & Nav */
header {
    background-color: var(--header-bg);
    padding: 0.8rem 8%;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--primary-gold);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}

.logo-container img {
    height: 75px;
    width: auto;
    display: block;
}

nav a {
    color: var(--text-light);
    text-decoration: none;
    margin-left: 30px;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    transition: color 0.3s;
}

nav a:hover {
    color: var(--primary-gold);
}

nav a.active {
    border-bottom: 2px solid var(--primary-gold);
    padding-bottom: 5px;
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    /* Nutze hier einen der Links oben oder lade das Bild herunter */
    background: linear-gradient(rgba(13, 17, 22, 0.85), rgba(13, 17, 22, 0.9)),
        url("web_images/background.jpg");
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    padding: 0 15%;
}

.hero h1 {
    font-size: 3.8rem;
    margin-bottom: 1.2rem;
    line-height: 1.1;
    font-weight: 800;
    color: #ffffff;
    letter-spacing: -1px;
}

.hero p {
    font-size: 1.2rem;
    max-width: 800px;
    color: var(--text-muted);
}

/* Sections */
.section {
    padding: 120px 10%;
}

.alt-bg {
    background: linear-gradient(to bottom, var(--dark-bg), var(--alt-bg-gradient-end));
    border-top: 1px solid var(--border-color);
}

.section-tag {
    color: var(--primary-gold);
    text-transform: uppercase;
    letter-spacing: 2.5px;
    font-size: 0.75rem;
    margin-bottom: 10px;
    display: block;
    font-weight: 700;
}

h2 {
    font-size: 2.2rem;
    margin-bottom: 30px;
    color: var(--text-light);
}

.focused-text {
    max-width: 700px;
    font-size: 1.1rem;
    color: var(--text-muted);
}

/* Grid & Cards */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.card {
    background: var(--card-bg);
    padding: 40px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    transition: all 0.3s ease;
}

.card:hover {
    border-color: var(--primary-gold);
    background: rgba(30, 35, 45, 0.8);
    transform: translateY(-5px);
}

.card h3 {
    color: var(--primary-gold);
    margin-bottom: 15px;
    font-size: 1.4rem;
}

/* Footer & Impressum */
footer {
    padding: 80px 10% 40px;
    background-color: var(--header-bg);
    border-top: 1px solid var(--primary-gold);
}

.footer-logo {
    height: 65px;
    margin-bottom: 40px;
}

.impressum-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    text-align: left;
    margin-bottom: 60px;
}

.impressum-col h4 {
    color: var(--primary-gold);
    margin-bottom: 15px;
    font-size: 0.9rem;
    text-transform: uppercase;
}

.impressum-col p {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin: 0;
    line-height: 1.8;
}

.risikohinweis {
    font-size: 0.75rem;
    line-height: 1.6;
    color: #444;
    text-align: center;
    border-top: 1px solid #1a1e23;
    padding-top: 30px;
    margin-top: 40px;
}

.copyright {
    text-align: center;
    font-size: 0.75rem;
    color: #333;
    margin-top: 20px;
}

.table-wrapper {
    overflow-x: auto;
    margin-top: 20px;
}

.column-selector-container {
    position: relative;
    display: flex;
    gap: 10px;
}

.column-dropdown {
    display: none;
    position: absolute;
    top: 50px;
    right: 0;
    background: #1a1e23;
    border: 1px solid var(--primary-gold);
    padding: 15px;
    z-index: 4000;
    max-height: 400px;
    overflow-y: auto;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    width: 250px;
}

.column-dropdown label {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.8rem;
    margin-bottom: 8px;
    cursor: pointer;
    color: var(--text-light);
}

.column-dropdown label:hover {
    color: var(--primary-gold);
}

/* Mobile Adjustments */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.6rem;
    }

    .section {
        padding: 80px 5%;
    }

    nav {
        display: none;
    }
}

/* Grundlayout */
main {
    padding-top: 100px;
}

.portfolio-container {
    padding: 60px 8%;
}

.segment-selector {
    display: flex;
    gap: 10px;
    margin-bottom: 30px;
    justify-content: flex-start;
}

.segment-selector button {
    background-color: var(--card-bg);
    color: var(--text-muted);
    border: 1px solid var(--border-color);
    padding: 10px 20px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 600;
    transition: all 0.2s ease;
}

.segment-selector button:hover {
    border-color: var(--primary-gold);
    color: var(--text-light);
}

.segment-selector button.active {
    background-color: rgba(197, 160, 89, 0.15);
    color: var(--primary-gold);
    border-color: var(--primary-gold);
}

/* Tabellen-Styling & Sortierung */
.data-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-top: 20px;
    overflow: hidden;
}

.data-table th {
    text-align: left;
    padding: 15px 20px;
    background: var(--table-header-bg);
    color: var(--primary-gold);
    text-transform: uppercase;
    font-size: 0.7rem;
    letter-spacing: 1px;
    border-bottom: 1px solid var(--border-color);
    cursor: pointer;
    transition: background 0.2s;
    position: relative;
}

.data-table th:hover {
    background: rgba(197, 160, 89, 0.15);
}

.data-table th.sorted-asc::after {
    content: ' ↑';
    opacity: 1;
    color: #fff;
}

.data-table th.sorted-desc::after {
    content: ' ↓';
    opacity: 1;
    color: #fff;
}

.data-table td {
    padding: 15px 20px;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.85rem;
}

/* KPI Dashboard Styles */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.kpi-card {
    padding: 20px !important;
}

.kpi-card h4 {
    color: var(--primary-gold);
    margin: 0 0 10px 0;
    font-size: 0.85rem;
    text-transform: uppercase;
}

.kpi-card:hover {
    background: var(--table-header-bg) !important;
}

.kpi-value {
    font-size: 1.8rem;
    font-weight: bold;
    color: var(--text-light);
    /* Dies stellt sicher, dass die Zahlen im Light/Dark mode richtig umschalten */
}

/* Buttons & Actions[cite: 6] */
.header-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 60px;
    margin-bottom: 20px;
}

.form-checkbox {
    flex-direction: row;
    align-items: center;
    gap: 10px;
}

.cta-button {
    background: transparent;
    border: 1px solid var(--primary-gold);
    color: var(--primary-gold);
    padding: 12px 24px;
    cursor: pointer;
    text-transform: uppercase;
    font-weight: bold;
    transition: 0.3s;
}

.cta-button:hover {
    background: var(--primary-gold);
    color: #000;
}


/* Modal & Formular */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(8px);
    overflow-y: auto;
    /* Erlaubt das Scrollen des gesamten Overlays */
    padding: 20px 0;
}

.modal-content {
    background-color: #0d1116;
    margin: 20px auto;
    /* Abstand oben/unten für besseres Scrolling */
    padding: 40px;
    border: 1px solid var(--primary-gold);
    border-radius: 8px;
    width: 90%;
    max-width: 900px;
    position: relative;
    overflow: visible !important;
    /* Wichtig für Dropdowns im Modal */
}

/* Formular Styling */
.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

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

.form-group label {
    color: var(--primary-gold);
    font-size: 0.75rem;
    text-transform: uppercase;
    margin-bottom: 8px;
}

.form-group input,
.form-group select {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(197, 160, 89, 0.2);
    color: #fff;
    padding: 12px;
    border-radius: 4px;
    font-size: 0.9rem;
}

/* Form Validation styling */
.was-validated .form-group input:invalid,
.was-validated .form-group select:invalid {
    border-color: #e74c3c !important;
    background: rgba(231, 76, 60, 0.08) !important;
    box-shadow: 0 0 4px rgba(231, 76, 60, 0.4);
}

/* Dropdown Korrektur */
.form-group select option {
    background-color: #1a1e23;
    color: #fff;
}

/* Readonly Felder optisch absetzen */
input[readonly] {
    background: rgba(197, 160, 89, 0.05);
    border-color: rgba(197, 160, 89, 0.1);
    color: var(--primary-gold);
    cursor: not-allowed;
}

/* Highlights für Optionen-Tabelle */
.danger-alert {
    color: #e74c3c !important;
    font-weight: bold;
}

.weekly-alert {
    color: var(--primary-gold) !important;
    font-weight: bold;
}

.row-expired {
    opacity: 0.6;
    filter: grayscale(0.5);
}

.row-itm-success {
    background-color: rgba(46, 204, 113, 0.08) !important;
}

.row-itm-danger {
    background-color: rgba(231, 76, 60, 0.08) !important;
}

.cell-itm-success {
    color: #2ecc71 !important;
    font-weight: bold;
}

.cell-itm-danger {
    color: #e74c3c !important;
    font-weight: bold;
}

[data-theme="light"] .row-itm-success {
    background-color: rgba(46, 204, 113, 0.12) !important;
}

[data-theme="light"] .row-itm-danger {
    background-color: rgba(231, 76, 60, 0.12) !important;
}