/* --- CSS Variablen & Theme-Steuerung --- */
:root {
    /* Standards (Light Mode) mit höherem Kontrast */
    --bg-color: #f0f2f5;           /* Etwas dunklerer Grau-Hintergrund für besseren Abstand */
    --surface-color: #ffffff;      /* Reinweiß für Karten & Eingabefelder */
    --text-color: #1a1d20;         /* Schärferes, fast schwarzes Text-Grau */
    --text-muted: #5a626a;         /* Dunklerer Muted-Text (besserer Kontrastwert) */
    --border-color: #ced4da;       /* Kräftigere Ränder zur klaren Abgrenzung */
    --primary-color: #0d6efd;      /* Primary Brand Color */
    --radius: 8px;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.08); /* Sanfter Schatten für bessere Tiefe */
}


/* Automatische Dark Mode Erkennung vom Betriebssystem */
@media (prefers-color-scheme: dark) {
    :root {
        --bg-color: #121212;
        --surface-color: #1e1e1e;
        --text-color: #e0e0e0;
        --text-muted: #a0a0a0;
        --border-color: #2d2d2d;
        --primary-color: #3d8bfd;
        --primary-hover: #0d6efd;
    }
}

/* Manuelles Theme-Overwriting (per JavaScript Klasse) */
/* Expliziter Light-Mode (erbt die kontrasteicheren Werte) */
body.light-theme {
    --bg-color: #f0f2f5;
    --surface-color: #ffffff;
    --text-color: #1a1d20;
    --text-muted: #5a626a;
    --border-color: #ced4da;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

/* Dark Mode (bleibt angenehm dunkel) */
body.dark-theme {
    --bg-color: #121212;
    --surface-color: #1e1e1e;
    --text-color: #e0e0e0;
    --text-muted: #a0a0a0;
    --border-color: #333333;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

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

body {
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    transition: background-color 0.3s, color 0.3s;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 20px;
}

/* --- Header & Navigation --- */
.header {
    background-color: var(--surface-color);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1100px;
    margin: 0 auto;
    padding: 1rem 20px;
}

.logo {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-color);
    text-decoration: none;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 1.5rem;
    align-items: center;
}

.nav-links a {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

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

/* --- Minimalistischer Icon-Toggle --- */
.theme-toggle {
    background: none;
    border: 1px solid var(--border-color);
    color: var(--text-color);
    width: 40px;
    height: 40px;
    border-radius: var(--radius);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    transition: background-color 0.2s, border-color 0.2s;
}

.theme-toggle:hover {
    background-color: var(--border-color);
}

.theme-toggle svg {
    width: 20px;
    height: 20px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

/* Im Dark Mode das Sonnen-Icon anzeigen, im Light Mode das Mond-Icon */
.icon-sun { display: none; }
.icon-moon { display: block; }

body.dark-theme .icon-sun { display: block; }
body.dark-theme .icon-moon { display: none; }

/* Automatisches System-Handling für den Zustand ohne Klasse auf body */
@media (prefers-color-scheme: dark) {
    body:not(.light-theme) .icon-sun { display: block; }
    body:not(.light-theme) .icon-moon { display: none; }
}

/* --- Grid & Boxen (Cards) --- */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.card {
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: var(--shadow); /* Neu: Verleiht Karten plastische Tiefe */
    transition: background-color 0.3s, border-color 0.3s, box-shadow 0.3s;
}

.card h3 {
    margin-bottom: 10px;
}

/* --- Formulare --- */
.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-size: 0.9rem;
    font-weight: 500;
}

.form-control {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    background-color: var(--bg-color);
    color: var(--text-color);
    font-size: 1rem;
    outline: none;
}

.form-control:focus {
    border-color: var(--primary-color);
}

textarea.form-control {
    resize: vertical;
    min-height: 100px;
}

.btn {
    display: inline-block;
    background-color: var(--primary-color);
    color: #fff;
    padding: 10px 20px;
    border: none;
    border-radius: var(--radius);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s;
}

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

/* --- Listen --- */
.custom-list {
    list-style: none;
}

.custom-list li {
    padding: 12px 16px;
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    margin-bottom: 8px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* --- Hinweise / Messages --- */
.alert {
    padding: 12px;
    border-radius: var(--radius);
    margin-bottom: 20px;
    background-color: rgba(13, 110, 253, 0.1);
    border: 1px solid var(--primary-color);
    color: var(--text-color);
}

/* --- Responsiver Breakpoint für Mobile Navigation --- */
@media (max-width: 600px) {
    .navbar {
        flex-direction: column;
        gap: 1rem;
    }
    
    .nav-links {
        width: 100%;
        justify-content: center;
    }
}

/* --- Accordion Component --- */
.accordion {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.accordion-item {
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    overflow: hidden;
    transition: border-color 0.2s;
}

.accordion-item:hover {
    border-color: var(--primary-color);
}

.accordion-header {
    width: 100%;
    padding: 14px 18px;
    background: none;
    border: none;
    color: var(--text-color);
    font-size: 1rem;
    font-weight: 600;
    text-align: left;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    outline: none;
}

/* Der kleine Pfeil / Indikator */
.accordion-icon {
    width: 16px;
    height: 16px;
    stroke: var(--text-muted);
    stroke-width: 2;
    fill: none;
    transition: transform 0.3s ease;
}

/* Zustand bei geöffnetem Element */
.accordion-item.active .accordion-icon {
    transform: rotate(180deg);
    stroke: var(--primary-color);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s cubic-bezier(0, 1, 0, 1), padding 0.3s ease;
    background-color: var(--bg-color);
    border-top: 0px solid var(--border-color);
    padding: 0 18px;
}

.accordion-item.active .accordion-content {
    max-height: 500px; /* Reicht für den Inhalt aus */
    transition: max-height 0.3s ease-in-out, padding 0.3s ease;
    border-top-width: 1px;
    padding: 16px 18px;
}

.accordion-meta {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 8px;
}

/* Zusätzliche Flexbox-Styles für den Header */
.accordion-header-left {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.accordion-title {
    font-weight: 600;
}

/* Status-Badges */
.badge {
    display: inline-block;
    padding: 3px 8px;
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: 12px;
    line-height: 1.2;
}

.badge-in-progress {
    background-color: rgba(25, 135, 84, 0.15);
    color: #198754;
}

.badge-planned {
    background-color: rgba(255, 193, 7, 0.15);
    color: #b58100;
}

.badge-completed {
    background-color: rgba(13, 110, 253, 0.15);
    color: #0d6efd;
}

/* Im Dark Mode Schrift für besser lesbare Badges leicht anpassen */
body.dark-theme .badge-planned {
    color: #ffc107;
}

/* verify-2fa */
.login-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 80vh;
}
.login-card {
    width: 100%;
    max-width: 400px;
}
.remember-group {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 15px;
    margin-bottom: 20px;
}
.remember-group input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}
.remember-group label {
    margin-bottom: 0;
    font-size: 0.9rem;
    cursor: pointer;
    user-select: none;
}