/**
 * Haupt-Stylesheet für das Aushilfsportal
 * Design angelehnt an rettungsdienst-wesermarsch.de
 */

/* ===== FONT IMPORT ===== */
@import url('https://fonts.googleapis.com/css2?family=Barlow:wght@300;400;500;600;700&display=swap');

/* ===== GRUNDLEGENDE STYLES ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Farbschema - exakt wie rettungsdienst-wesermarsch.de */
    --primary-color: #005F73;       /* Dunkles Petrol/Blau */
    --primary-dark: #003D4D;
    --primary-light: #0A7C91;
    --accent-color: #4CAF50;        /* Grün für Akzente */
    --accent-dark: #3D8B40;
    --accent-light: #66BB6A;
    --secondary-color: #546E7A;     /* Grau-Blau */
    --success-color: #4CAF50;       /* Grün */
    --warning-color: #FF9800;       /* Orange */
    --danger-color: #E53935;        /* Rot */
    --info-color: #0288D1;          /* Hellblau */
    
    /* Hintergrundfarben */
    --bg-main: #E8F4F8;             /* Helles Blau-Grau */
    --bg-white: #FFFFFF;
    --bg-light: #F5FAFB;
    
    /* Textfarben */
    --text-primary: #005F73;        /* Petrol für Überschriften */
    --text-body: #37474F;           /* Dunkelgrau für Fließtext */
    --text-secondary: #607D8B;      /* Helleres Grau */
    --text-light: #90A4AE;
    
    /* Abstände */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Schatten */
    --shadow-sm: 0 2px 4px rgba(0, 95, 115, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 95, 115, 0.12);
    --shadow-lg: 0 8px 32px rgba(0, 95, 115, 0.16);
    
    /* Border Radius */
    --border-radius: 4px;
    --border-radius-lg: 8px;
}

body {
    font-family: 'Barlow', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-body);
    background-color: var(--bg-main);
}

/* ===== CONTAINER & LAYOUT ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.container-fluid {
    width: 100%;
    padding: 0 var(--spacing-lg);
}

/* ===== HEADER & NAVIGATION ===== */
.header {
    background: var(--primary-color);
    color: white;
    padding: var(--spacing-lg) 0;
    box-shadow: var(--shadow-md);
    margin-bottom: 0;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.header h1 {
    font-size: 1.5rem;
    font-weight: 600;
    margin: 0;
    letter-spacing: 0.5px;
}

.header-logo {
    background: white;
    padding: 8px 12px;
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
}

.header-logo img {
    height: 40px;
    width: auto;
}

.header-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.user-name {
    font-size: 0.95rem;
    font-weight: 500;
}

.btn-logout {
    background-color: transparent;
    color: white;
    border: 2px solid white;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--border-radius);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 600;
    transition: all 0.2s ease;
}

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

/* ===== NAVIGATION TABS ===== */
.nav-tabs {
    background: var(--bg-white);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--spacing-xl);
}

.nav-tabs .container {
    display: flex;
    gap: 0;
    overflow-x: auto;
}

.nav-tabs a {
    padding: var(--spacing-md) var(--spacing-lg);
    text-decoration: none;
    color: var(--text-body);
    border-bottom: 3px solid transparent;
    white-space: nowrap;
    font-weight: 500;
    font-size: 0.95rem;
    transition: all 0.2s ease;
}

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

.nav-tabs a.active {
    color: var(--primary-color);
    border-bottom-color: var(--accent-color);
}

/* ===== KARTEN (CARDS) ===== */
.card {
    background: var(--bg-white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--spacing-xl);
    overflow: hidden;
    transition: box-shadow 0.2s ease;
}

.card:hover {
    box-shadow: var(--shadow-md);
}

.card-header {
    padding: var(--spacing-lg) var(--spacing-xl);
    background-color: var(--bg-white);
    border-bottom: 2px solid var(--bg-main);
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--text-primary);
}

.card-body {
    padding: var(--spacing-xl);
}

/* ===== DIENST-KARTEN ===== */
.dienst-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.dienst-card {
    background: var(--bg-white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: all 0.3s ease;
    border: none;
}

.dienst-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.dienst-card.offen {
    border-left: 4px solid var(--accent-color);
}

.dienst-card.vergeben {
    border-left: 4px solid var(--secondary-color);
    opacity: 0.9;
}

.dienst-card.vergeben:hover {
    opacity: 1;
}

.dienst-header {
    padding: var(--spacing-lg) var(--spacing-xl);
    background: var(--primary-color);
    color: white;
}

.dienst-datum {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.dienst-wochentag {
    font-size: 0.9rem;
    opacity: 0.9;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.dienst-body {
    padding: var(--spacing-xl);
}

.dienst-info {
    margin-bottom: var(--spacing-md);
}

.dienst-info:last-child {
    margin-bottom: 0;
}

.dienst-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-bottom: 2px;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
}

.dienst-value {
    font-size: 1rem;
    color: var(--text-body);
    font-weight: 500;
}

.dienst-footer {
    padding: var(--spacing-lg) var(--spacing-xl);
    background-color: var(--bg-light);
    border-top: 1px solid var(--bg-main);
}

.dienst-status {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--border-radius);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.status-offen {
    background-color: #E8F5E9;
    color: #2E7D32;
}

.status-vergeben {
    background-color: #E3F2FD;
    color: #1565C0;
}

.status-storniert {
    background-color: #FFEBEE;
    color: #C62828;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius);
    border: 2px solid transparent;
    font-size: 0.95rem;
    font-weight: 600;
    text-align: center;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s ease;
    line-height: 1.4;
    font-family: inherit;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Grüner Button (wie "Stellenangebote") */
.btn-primary {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
    color: white;
}

.btn-primary:hover:not(:disabled) {
    background-color: var(--accent-dark);
    border-color: var(--accent-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(76, 175, 80, 0.4);
}

/* Grüner Success Button */
.btn-success {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
    color: white;
}

.btn-success:hover:not(:disabled) {
    background-color: var(--accent-dark);
    border-color: var(--accent-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(76, 175, 80, 0.4);
}

/* Outline Button (wie "Kontakt" / "Mehr erfahren") */
.btn-secondary {
    background-color: transparent;
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.btn-secondary:hover:not(:disabled) {
    background-color: var(--primary-color);
    color: white;
}

/* Outline Grün Button (wie "Mehr erfahren") */
.btn-outline-success {
    background-color: transparent;
    border-color: var(--accent-color);
    color: var(--accent-color);
}

.btn-outline-success:hover:not(:disabled) {
    background-color: var(--accent-color);
    color: white;
}

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

.btn-danger:hover:not(:disabled) {
    background-color: #C62828;
    border-color: #C62828;
    box-shadow: 0 4px 12px rgba(229, 57, 53, 0.4);
}

.btn-block {
    display: block;
    width: 100%;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.05rem;
}

/* ===== FORMULARE ===== */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.95rem;
}

.form-label.required::after {
    content: " *";
    color: var(--danger-color);
}

.form-control {
    width: 100%;
    padding: 0.875rem 1rem;
    font-size: 1rem;
    line-height: 1.5;
    color: var(--text-body);
    background-color: var(--bg-white);
    border: 2px solid #CFD8DC;
    border-radius: var(--border-radius);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    font-family: inherit;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 95, 115, 0.15);
}

.form-control::placeholder {
    color: var(--text-light);
}

select.form-control {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%23546E7A' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 1rem center;
    background-repeat: no-repeat;
    background-size: 1.25em 1.25em;
    padding-right: 2.5rem;
}

textarea.form-control {
    min-height: 120px;
    resize: vertical;
}

/* ===== TABELLEN ===== */
.table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.table {
    width: 100%;
    margin-bottom: var(--spacing-lg);
    border-collapse: collapse;
    background-color: var(--bg-white);
}

.table thead th {
    padding: var(--spacing-md) var(--spacing-lg);
    background-color: var(--bg-light);
    border-bottom: 2px solid var(--bg-main);
    font-weight: 600;
    text-align: left;
    color: var(--text-primary);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.table tbody td {
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--bg-main);
    vertical-align: middle;
    font-size: 0.95rem;
}

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

.table tbody tr:last-child td {
    border-bottom: none;
}

/* ===== ALERTS / NACHRICHTEN ===== */
.alert {
    padding: var(--spacing-md) var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    border-radius: var(--border-radius);
    border: none;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.alert-success {
    background-color: #E8F5E9;
    color: #2E7D32;
    border-left: 4px solid var(--accent-color);
}

.alert-error,
.alert-danger {
    background-color: #FFEBEE;
    color: #C62828;
    border-left: 4px solid var(--danger-color);
}

.alert-info {
    background-color: #E3F2FD;
    color: #1565C0;
    border-left: 4px solid var(--info-color);
}

.alert-warning {
    background-color: #FFF3E0;
    color: #E65100;
    border-left: 4px solid var(--warning-color);
}

/* ===== FILTER-BEREICH ===== */
.filter-section {
    background: var(--bg-white);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--spacing-xl);
}

.filter-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
}

/* ===== LOGIN-SEITE ===== */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-main);
    padding: var(--spacing-lg);
}

.login-card {
    background: var(--bg-white);
    padding: var(--spacing-2xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 440px;
}

.login-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.login-header h1 {
    font-size: 1.75rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    font-weight: 700;
}

.login-header p {
    color: var(--text-secondary);
    font-size: 1rem;
}

/* ===== BADGES ===== */
.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    font-size: 0.8rem;
    font-weight: 600;
    line-height: 1.2;
    text-align: center;
    white-space: nowrap;
    border-radius: var(--border-radius);
    vertical-align: middle;
}

.badge-primary {
    background-color: rgba(255, 255, 255, 0.2);
    color: white;
}

.badge-success {
    background-color: var(--accent-color);
    color: white;
}

.badge-secondary {
    background-color: var(--secondary-color);
    color: white;
}

.badge-warning {
    background-color: var(--warning-color);
    color: white;
}

/* ===== UTILITIES ===== */
.text-center {
    text-align: center;
}

.text-right {
    text-align: right;
}

.text-muted {
    color: var(--text-secondary);
}

.text-primary {
    color: var(--primary-color);
}

.text-success {
    color: var(--accent-color);
}

.text-danger {
    color: var(--danger-color);
}

.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mt-4 { margin-top: var(--spacing-xl); }

.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }

.d-flex {
    display: flex;
}

.flex-wrap {
    flex-wrap: wrap;
}

.justify-content-between {
    justify-content: space-between;
}

.justify-content-center {
    justify-content: center;
}

.align-items-center {
    align-items: center;
}

.gap-1 { gap: var(--spacing-sm); }
.gap-2 { gap: var(--spacing-md); }
.gap-3 { gap: var(--spacing-lg); }

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
    .header h1 {
        font-size: 1.25rem;
    }
    
    .header-content {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }
    
    .header-info {
        width: 100%;
        justify-content: space-between;
    }
    
    .dienst-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .filter-grid {
        grid-template-columns: 1fr;
    }
    
    .card-body {
        padding: var(--spacing-lg);
    }
    
    .card-header {
        padding: var(--spacing-md) var(--spacing-lg);
    }
    
    .dienst-body,
    .dienst-footer {
        padding: var(--spacing-lg);
    }
    
    .table-responsive {
        font-size: 0.9rem;
    }
    
    .table thead {
        display: none;
    }
    
    .table tbody tr {
        display: block;
        margin-bottom: var(--spacing-lg);
        border: 1px solid var(--bg-main);
        border-radius: var(--border-radius);
        box-shadow: var(--shadow-sm);
    }
    
    .table tbody td {
        display: block;
        text-align: right;
        padding: var(--spacing-sm) var(--spacing-md);
        border-bottom: 1px solid var(--bg-main);
    }
    
    .table tbody td:last-child {
        border-bottom: none;
    }
    
    .table tbody td::before {
        content: attr(data-label);
        float: left;
        font-weight: 600;
        color: var(--text-secondary);
        text-transform: uppercase;
        font-size: 0.75rem;
        letter-spacing: 0.5px;
    }
}

@media (max-width: 480px) {
    body {
        font-size: 15px;
    }
    
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .login-card {
        padding: var(--spacing-xl);
    }
    
    .login-header h1 {
        font-size: 1.5rem;
    }
    
    .btn {
        padding: 0.625rem 1.25rem;
        font-size: 0.9rem;
    }
    
    .dienst-datum {
        font-size: 1.2rem;
    }
}

/* ===== LOADING SPINNER ===== */
.spinner {
    border: 3px solid var(--bg-main);
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 0.8s linear infinite;
    margin: var(--spacing-xl) auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* ===== EMPTY STATE ===== */
.empty-state {
    text-align: center;
    padding: var(--spacing-2xl);
    color: var(--text-secondary);
}

.empty-state-icon {
    font-size: 3.5rem;
    margin-bottom: var(--spacing-md);
    opacity: 0.5;
}

.empty-state-text {
    font-size: 1.05rem;
    line-height: 1.6;
}

/* ===== HINWEIS-BOX ===== */
.hinweis-box {
    padding: var(--spacing-md);
    background: #FFF3E0;
    border-left: 4px solid var(--warning-color);
    border-radius: var(--border-radius);
    font-size: 0.9rem;
    color: #E65100;
    margin-top: var(--spacing-sm);
}

.hinweis-box strong {
    font-weight: 600;
}

/* ===== CHECKBOX & RADIO STYLES ===== */
input[type="checkbox"],
input[type="radio"] {
    width: 18px;
    height: 18px;
    accent-color: var(--accent-color);
}

/* ===== LINKS ===== */
a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--accent-color);
}

/* ===== DIVIDER ===== */
hr {
    border: none;
    border-top: 2px solid var(--bg-main);
    margin: var(--spacing-xl) 0;
}

/* ===== CUSTOM SCROLLBAR ===== */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-main);
}

::-webkit-scrollbar-thumb {
    background: #B0BEC5;
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-color);
}

/* ===== SELECTION ===== */
::selection {
    background-color: rgba(0, 95, 115, 0.2);
    color: var(--primary-dark);
}

/* ===== FOOTER ===== */
.footer {
    text-align: center;
    padding: var(--spacing-xl) 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: var(--spacing-2xl);
}

.footer a {
    color: var(--text-secondary);
}

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

/* ===== MONATSKALENDER ===== */
.monatskalender {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 1px;
    background: #dee2e6;
    border: 1px solid #dee2e6;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
}

.monatskalender-header {
    background: var(--primary-color);
    color: white;
    padding: 0.5rem;
    text-align: center;
    font-weight: 600;
    font-size: 0.85rem;
}

.monatskalender-tag {
    background: white;
    min-height: 120px;
    padding: 0.25rem;
    position: relative;
    vertical-align: top;
}

.monatskalender-tag.heute {
    background: #f0f9ff;
}

.monatskalender-tag.andere-monat {
    background: #f8f9fa;
    opacity: 0.5;
}

.monatskalender-tag.wochenende {
    background: #fafafa;
}

.monatskalender-datum {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    padding: 0.15rem 0.35rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.monatskalender-datum .tag-nummer {
    display: inline-block;
}

.monatskalender-tag.heute .tag-nummer {
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    width: 1.5rem;
    height: 1.5rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.monatskalender-add {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.3rem;
    height: 1.3rem;
    border-radius: 50%;
    background: var(--accent-color);
    color: white;
    text-decoration: none;
    font-size: 0.9rem;
    line-height: 1;
    opacity: 0;
    transition: opacity 0.15s;
}

.monatskalender-tag:hover .monatskalender-add {
    opacity: 1;
}

.monatskalender-dienste {
    display: flex;
    flex-direction: column;
    gap: 2px;
    margin-top: 2px;
}

.mk-dienst {
    display: block;
    padding: 0.2rem 0.35rem;
    border-radius: 3px;
    font-size: 0.7rem;
    line-height: 1.3;
    text-decoration: none;
    color: white;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.mk-dienst.status-offen {
    background: var(--accent-color);
}

.mk-dienst.status-vergeben {
    background: var(--info-color);
}

.mk-dienst.status-storniert {
    background: var(--danger-color);
    opacity: 0.6;
}

.mk-dienst:hover {
    opacity: 0.85;
    color: white;
}

/* Monatsnavigation */
.monatsplan-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.monatsplan-nav h2 {
    margin: 0;
    font-size: 1.3rem;
}

.monatsplan-nav-btns {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

/* Verfügbarkeit im Kalender */
.mk-verfuegbarkeit {
    font-size: 0.7rem;
    padding: 0.15rem 0.35rem;
    border-radius: 3px;
    color: var(--text-secondary);
    background: #fff3cd;
    cursor: pointer;
    margin-top: 2px;
}

.mk-verfuegbarkeit:hover {
    background: #ffeaa7;
}

/* Verfügbarkeitskalender (Aushilfen-Seite) */
.verfuegbarkeit-tag {
    display: flex;
    flex-direction: column;
    gap: 2px;
    margin-top: 4px;
}

.verfuegbarkeit-btn {
    display: block;
    width: 100%;
    padding: 0.15rem 0;
    border: 1px solid #dee2e6;
    border-radius: 3px;
    font-size: 0.65rem;
    text-align: center;
    cursor: pointer;
    background: white;
    color: var(--text-secondary);
    transition: background 0.15s, color 0.15s;
}

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

.verfuegbarkeit-btn.aktiv-tag {
    background: #ffc107;
    color: #000;
    border-color: #ffc107;
}

.verfuegbarkeit-btn.aktiv-nacht {
    background: var(--info-color);
    color: white;
    border-color: var(--info-color);
}

.verfuegbarkeit-btn.aktiv-ganztags {
    background: var(--accent-color);
    color: white;
    border-color: var(--accent-color);
}

/* Responsive Kalender */
@media (max-width: 768px) {
    .monatskalender-tag {
        min-height: 80px;
        padding: 0.15rem;
    }
    .mk-dienst {
        font-size: 0.6rem;
        padding: 0.15rem 0.25rem;
    }
    .monatskalender-header {
        font-size: 0.7rem;
        padding: 0.35rem 0.15rem;
    }
    .verfuegbarkeit-btn {
        font-size: 0.55rem;
    }
}

/* Verfügbarkeits-Overlay Popup */
.mk-overlay {
    position: fixed;
    z-index: 50;
    background: white;
    border: 1px solid #dee2e6;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 0.75rem;
    min-width: 280px;
    max-width: 350px;
    font-size: 0.85rem;
}

.mk-overlay-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.35rem 0;
    border-bottom: 1px solid #f0f0f0;
    gap: 0.5rem;
}

.mk-overlay-item:last-child {
    border-bottom: none;
}