/**
 * Edelstahl Kontaktformular Stylesheet
 * Datei: css/style.css
 */

/* ==== HAUPT-CONTAINER ==== */
.edelstahl-kontakt-wrapper {
    max-width: 700px;
    margin: 30px auto;
    padding: 30px;
    background: #ffffff;
    border: 2px solid #e1e5e9;
    border-radius: 10px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    position: relative;
}

.edelstahl-kontakt-wrapper h3 {
    color: #2c3e50;
    margin-bottom: 25px;
    font-size: 28px;
    font-weight: 600;
    text-align: center;
    border-bottom: 3px solid #3498db;
    padding-bottom: 15px;
}

/* ==== FORM GRUPPEN ==== */
.form-group {
    margin-bottom: 25px;
    position: relative;
    transition: all 0.3s ease;
}

.form-group.focused {
    transform: translateY(-2px);
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #34495e;
    font-size: 15px;
    position: relative;
}

.form-group label::after {
    content: " *";
    color: #e74c3c;
    font-weight: bold;
}

/* Optionale Felder - kein Stern */
.form-group label[for="kontakt_telefon"]::after,
.form-group label[for="kontakt_unternehmen"]::after,
.form-group label[for="kontakt_artikel"]::after,
.form-group label[for="kontakt_anwendung"]::after,
.form-group label[for="kontakt_material"]::after {
    content: "";
}

/* ==== INPUT FELDER ==== */
.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #bdc3c7;
    border-radius: 6px;
    font-size: 15px;
    font-family: inherit;
    background-color: #ffffff;
    transition: all 0.3s ease;
    box-sizing: border-box;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #3498db;
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.2);
    background-color: #f8fbff;
}

.form-group input:hover,
.form-group select:hover,
.form-group textarea:hover {
    border-color: #95a5a6;
}

/* ==== TEXTAREA ==== */
.form-group textarea {
    resize: vertical;
    min-height: 120px;
    line-height: 1.5;
}

/* ==== SELECT FELDER ==== */
.form-group select {
    cursor: pointer;
    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='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 12px center;
    background-repeat: no-repeat;
    background-size: 16px;
    padding-right: 40px;
    appearance: none;
}

/* ==== CHECKBOX GRUPPEN ==== */
.checkbox-group {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 8px;
    border-left: 4px solid #3498db;
}

.checkbox-group label {
    display: flex;
    align-items: flex-start;
    font-weight: 500;
    line-height: 1.4;
    cursor: pointer;
}

.checkbox-group input[type="checkbox"] {
    width: 20px;
    height: 20px;
    margin-right: 12px;
    margin-top: 2px;
    cursor: pointer;
    accent-color: #3498db;
}

.checkbox-group a {
    color: #3498db;
    text-decoration: underline;
}

.checkbox-group a:hover {
    color: #2980b9;
}

/* ==== SPAM-SCHUTZ ==== */
.spam-check {
    background: linear-gradient(135deg, #fff3cd 0%, #ffeaa7 100%);
    padding: 20px;
    border-radius: 8px;
    border: 2px solid #f39c12;
    position: relative;
}

.spam-check::before {
    content: "🛡️";
    position: absolute;
    top: 15px;
    right: 15px;
    font-size: 20px;
}

.spam-check label {
    color: #856404;
    font-weight: 600;
}

.spam-check input {
    background: #ffffff;
    border-color: #f39c12;
}

/* ==== SUBMIT BEREICH ==== */
.form-submit {
    text-align: center;
    padding: 20px 0;
}

#kontakt-submit-btn {
    background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
    color: white;
    padding: 15px 40px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: 0 4px 15px rgba(52, 152, 219, 0.3);
}

#kontakt-submit-btn:hover {
    background: linear-gradient(135deg, #2980b9 0%, #1f5582 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(52, 152, 219, 0.4);
}

#kontakt-submit-btn:active {
    transform: translateY(0);
    box-shadow: 0 2px 10px rgba(52, 152, 219, 0.3);
}

#kontakt-submit-btn:disabled {
    background: #95a5a6;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

#kontakt-loading {
    color: #3498db;
    font-weight: 600;
    margin-top: 15px;
    display: none;
}

/* ==== RESPONSE NACHRICHTEN ==== */
#kontakt-response {
    margin-top: 25px;
    padding: 20px;
    border-radius: 8px;
    font-weight: 500;
    display: none;
    animation: slideDown 0.3s ease;
}

#kontakt-response.success {
    background-color: #d4edda;
    color: #155724;
    border: 2px solid #c3e6cb;
    border-left: 5px solid #28a745;
}

#kontakt-response.success::before {
    content: "✅ ";
    font-size: 18px;
}

#kontakt-response.error {
    background-color: #f8d7da;
    color: #721c24;
    border: 2px solid #f5c6cb;
    border-left: 5px solid #dc3545;
}

#kontakt-response.error::before {
    content: "❌ ";
    font-size: 18px;
}

#kontakt-response.info {
    background-color: #d1ecf1;
    color: #0c5460;
    border: 2px solid #bee5eb;
    border-left: 5px solid #17a2b8;
}

#kontakt-response.info::before {
    content: "ℹ️ ";
    font-size: 18px;
}

/* ==== VALIDIERUNGS-FEHLER ==== */
.error-field {
    border-color: #e74c3c !important;
    background-color: #fdf2f2 !important;
    animation: shake 0.5s ease-in-out;
}

.validation-tooltip {
    background: #e74c3c;
    color: white;
    padding: 8px 12px;
    border-radius: 4px;
    font-size: 13px;
    max-width: 200px;
    box-shadow: 0 2px 10px rgba(231, 76, 60, 0.3);
    z-index: 9999;
    position: relative;
}

.validation-tooltip::after {
    content: "";
    position: absolute;
    top: 100%;
    left: 20px;
    border: 5px solid transparent;
    border-top-color: #e74c3c;
}

/* ==== ZEICHEN-COUNTER ==== */
.char-counter {
    font-size: 12px;
    color: #7f8c8d;
    text-align: right;
    margin-top: 5px;
    font-weight: 500;
}

.char-counter.warning {
    color: #f39c12;
}

.char-counter.error {
    color: #e74c3c;
    font-weight: 600;
}

/* ==== ANIMATIONEN ==== */
@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(52, 152, 219, 0.7); }
    70% { box-shadow: 0 0 0 10px rgba(52, 152, 219, 0); }
    100% { box-shadow: 0 0 0 0 rgba(52, 152, 219, 0); }
}

/* ==== LOADING ANIMATION ==== */
#kontakt-loading {
    position: relative;
}

#kontakt-loading::after {
    content: "";
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid #3498db;
    border-radius: 50%;
    border-top-color: transparent;
    animation: spin 1s linear infinite;
    margin-left: 10px;
    vertical-align: middle;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ==== RESPONSIVE DESIGN ==== */
@media (max-width: 768px) {
    .edelstahl-kontakt-wrapper {
        margin: 15px;
        padding: 20px;
        border-radius: 8px;
    }
    
    .edelstahl-kontakt-wrapper h3 {
        font-size: 24px;
        margin-bottom: 20px;
    }
    
    .form-group {
        margin-bottom: 20px;
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: 10px 14px;
        font-size: 16px; /* Verhindert Zoom auf iOS */
    }
    
    #kontakt-submit-btn {
        width: 100%;
        padding: 12px;
        font-size: 15px;
    }
    
    .checkbox-group {
        padding: 15px;
    }
}

@media (max-width: 480px) {
    .edelstahl-kontakt-wrapper {
        margin: 10px;
        padding: 15px;
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: 8px 12px;
    }
    
    .spam-check {
        padding: 15px;
    }
}

/* ==== DARK MODE SUPPORT ==== */
@media (prefers-color-scheme: dark) {
    .edelstahl-kontakt-wrapper {
        background: #2c3e50;
        border-color: #34495e;
        color: #ecf0f1;
    }
    
    .edelstahl-kontakt-wrapper h3 {
        color: #ecf0f1;
        border-bottom-color: #3498db;
    }
    
    .form-group label {
        color: #bdc3c7;
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        background-color: #34495e;
        border-color: #4a5f7a;
        color: #ecf0f1;
    }
    
    .form-group input:focus,
    .form-group select:focus,
    .form-group textarea:focus {
        background-color: #3e526b;
        border-color: #3498db;
    }
    
    .checkbox-group {
        background: #34495e;
    }
}

/* ==== ACCESSIBILITY VERBESSERUNGEN ==== */
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: 2px solid #3498db;
    outline-offset: 2px;
}

/* Hochkontrast-Modus */
@media (prefers-contrast: high) {
    .edelstahl-kontakt-wrapper {
        border: 3px solid #000;
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        border: 2px solid #000;
    }
    
    #kontakt-submit-btn {
        background: #000;
        border: 2px solid #000;
    }
}

/* Bewegungsreduzierung */
@media (prefers-reduced-motion: reduce) {
    .form-group,
    .form-group input,
    .form-group select,
    .form-group textarea,
    #kontakt-submit-btn,
    #kontakt-response {
        transition: none;
        animation: none;
    }
}

/* ==== PRINT STYLES ==== */
@media print {
    .edelstahl-kontakt-wrapper {
        box-shadow: none;
        border: 1px solid #000;
        background: #fff;
    }
    
    #kontakt-submit-btn,
    #kontakt-loading,
    #kontakt-response {
        display: none;
    }
}