/**
 * Kontaktformular - Custom Styles
 * Bootstrap 5.3.8 Erweiterungen
 * 
 * @author Betaseiten.ch
 * @version 1.0.0
 */

/* =========================================
   CSS Custom Properties (Variables)
   ========================================= */
:root {
    --contact-primary: #0d6efd;
    --contact-primary-hover: #0b5ed7;
    --contact-success: #198754;
    --contact-danger: #dc3545;
    --contact-warning: #ffc107;
    --contact-gradient: linear-gradient(135deg, #0d6efd, #6610f2);
    --contact-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
    --contact-shadow-lg: 0 1rem 3rem rgba(0, 0, 0, 0.175);
    --contact-border-radius: 0.75rem;
    --contact-transition: all 0.3s ease;
}

/* =========================================
   Body & Container
   ========================================= */
body {
    min-height: 100vh;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

/* =========================================
   Contact Icon Header
   ========================================= */
.contact-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--contact-gradient);
    color: white;
    font-size: 2.5rem;
    box-shadow: var(--contact-shadow);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        box-shadow: var(--contact-shadow);
    }
    50% {
        transform: scale(1.05);
        box-shadow: var(--contact-shadow-lg);
    }
}

/* =========================================
   Card Styling
   ========================================= */
.card {
    border-radius: var(--contact-border-radius);
    transition: var(--contact-transition);
}

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

/* =========================================
   Form Controls
   ========================================= */
.form-control,
.form-select {
    border-radius: 0.5rem;
    padding: 0.75rem 1rem;
    border: 2px solid #dee2e6;
    transition: var(--contact-transition);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--contact-primary);
    box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.15);
}

.form-control.is-valid {
    border-color: var(--contact-success);
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 8 8'%3e%3cpath fill='%23198754' d='M2.3 6.73.6 4.53c-.4-1.04.46-1.4 1.1-.8l1.1 1.4 3.4-3.8c.6-.63 1.6-.27 1.2.7l-4 4.6c-.43.5-.8.4-1.1.1z'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 1rem;
    padding-right: 2.5rem;
}

.form-control.is-invalid {
    border-color: var(--contact-danger);
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12' width='12' height='12' fill='none' stroke='%23dc3545'%3e%3ccircle cx='6' cy='6' r='4.5'/%3e%3cpath stroke-linejoin='round' d='M5.8 3.6h.4L6 6.5z'/%3e%3ccircle cx='6' cy='8.2' r='.6' fill='%23dc3545' stroke='none'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 1rem;
    padding-right: 2.5rem;
}

textarea.form-control {
    min-height: 150px;
    resize: vertical;
}

/* =========================================
   Labels
   ========================================= */
.form-label {
    font-weight: 600;
    color: #495057;
    margin-bottom: 0.5rem;
}

.form-label i {
    color: var(--contact-primary);
}

/* =========================================
   Buttons
   ========================================= */
.btn-primary {
    background: var(--contact-gradient);
    border: none;
    border-radius: 0.5rem;
    padding: 0.875rem 1.5rem;
    font-weight: 600;
    letter-spacing: 0.025em;
    transition: var(--contact-transition);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.2),
        transparent
    );
    transition: left 0.5s;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0.5rem 1rem rgba(13, 110, 253, 0.35);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-primary:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

/* =========================================
   Alerts
   ========================================= */
.alert {
    border: none;
    border-radius: var(--contact-border-radius);
    box-shadow: var(--contact-shadow);
}

.alert-success {
    background: linear-gradient(135deg, #d1e7dd, #badbcc);
    color: #0f5132;
}

.alert-danger {
    background: linear-gradient(135deg, #f8d7da, #f5c2c7);
    color: #842029;
}

.alert i {
    font-size: 1.25rem;
}

/* =========================================
   Honeypot Field (Hidden)
   ========================================= */
.hp-field {
    position: absolute;
    left: -9999px;
    top: -9999px;
    opacity: 0;
    height: 0;
    width: 0;
    overflow: hidden;
    pointer-events: none;
}

/* Zusätzliche CSS-Versteckung für Screenreader-kompatibilität */
.hp-field input,
.hp-field label {
    display: none !important;
    visibility: hidden !important;
}

/* =========================================
   Loading Overlay
   ========================================= */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    backdrop-filter: blur(5px);
}

.loading-overlay .spinner-border {
    width: 3rem;
    height: 3rem;
}

/* =========================================
   Checkbox Styling
   ========================================= */
.form-check-input {
    width: 1.25rem;
    height: 1.25rem;
    margin-top: 0.125rem;
    cursor: pointer;
}

.form-check-input:checked {
    background-color: var(--contact-primary);
    border-color: var(--contact-primary);
}

.form-check-label {
    cursor: pointer;
}

.form-check-label a {
    color: var(--contact-primary);
    text-decoration: none;
    font-weight: 500;
}

.form-check-label a:hover {
    text-decoration: underline;
}

/* =========================================
   Character Counter
   ========================================= */
#charCount {
    font-family: 'SF Mono', 'Monaco', 'Consolas', monospace;
    font-size: 0.8rem;
}

/* =========================================
   Modal Customization
   ========================================= */
.modal-content {
    border: none;
    border-radius: var(--contact-border-radius);
    box-shadow: var(--contact-shadow-lg);
}

.modal-header {
    background: var(--contact-gradient);
    color: white;
    border-radius: var(--contact-border-radius) var(--contact-border-radius) 0 0;
}

.modal-header .btn-close {
    filter: brightness(0) invert(1);
}

/* =========================================
   Form Text / Help Text
   ========================================= */
.form-text {
    font-size: 0.8rem;
    color: #6c757d;
    margin-top: 0.375rem;
}

/* =========================================
   Valid/Invalid Feedback
   ========================================= */
.valid-feedback {
    color: var(--contact-success);
    font-size: 0.85rem;
}

.invalid-feedback {
    color: var(--contact-danger);
    font-size: 0.85rem;
}

/* =========================================
   Responsive Adjustments
   ========================================= */
@media (max-width: 576px) {
    .contact-icon {
        width: 60px;
        height: 60px;
        font-size: 1.75rem;
    }
    
    .card-body {
        padding: 1.5rem !important;
    }
    
    h1.h2 {
        font-size: 1.5rem;
    }
    
    .btn-lg {
        padding: 0.75rem 1rem;
        font-size: 1rem;
    }
}

/* =========================================
   Focus Visible (Accessibility)
   ========================================= */
.form-control:focus-visible,
.form-check-input:focus-visible,
.btn:focus-visible {
    outline: 3px solid rgba(13, 110, 253, 0.5);
    outline-offset: 2px;
}

/* =========================================
   Print Styles
   ========================================= */
@media print {
    .loading-overlay,
    .btn,
    .modal {
        display: none !important;
    }
    
    .card {
        box-shadow: none;
        border: 1px solid #dee2e6;
    }
}

/* =========================================
   Dark Mode Support
   ========================================= */
@media (prefers-color-scheme: dark) {
    :root {
        --contact-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.3);
    }
    
    body {
        background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    }
    
    .card {
        background: #1f1f1f;
        border: 1px solid #333;
    }
    
    .form-control,
    .form-select {
        background-color: #2d2d2d;
        border-color: #444;
        color: #e9ecef;
    }
    
    .form-control:focus,
    .form-select:focus {
        background-color: #333;
        color: #fff;
    }
    
    .form-label {
        color: #e9ecef;
    }
    
    h1, h2, h3, p {
        color: #e9ecef;
    }
    
    .text-muted {
        color: #adb5bd !important;
    }
}