/**
 * Digitale Rechnung - Frontend Styles
 * SWP Design: Seriös, ruhig, viel Weißraum
 */

:root {
    --swp-green: #009e3d;
    --swp-text: #575756;
    --swp-bg: #f6f7f8;
    --swp-border: #e6e8ea;
    --swp-white: #ffffff;
    --swp-success: #009e3d;
    --swp-danger: #dc3545;
    --swp-green-dark: #007a2f;
}

* {
    box-sizing: border-box;
}

body {
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
    color: var(--swp-text);
    background-color: var(--swp-bg);
    line-height: 1.6;
    margin: 0;
    padding: 0;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

/* Logo Header zentriert oben */
.logo-header {
    text-align: center;
    margin-bottom: 2rem;
}

.header-logo {
    max-width: 33.333%;
    height: auto;
    display: block;
    margin: 0 auto;
}

/* Hero-Bereich */
.hero {
    background: var(--swp-white);
    border-radius: 12px;
    padding: 2.5rem;
    margin-bottom: 2rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.hero-content {
    width: 100%;
}

.hero h1 {
    color: var(--swp-green);
    font-size: 2rem;
    font-weight: 600;
    margin: 0 0 0.5rem 0;
    line-height: 1.3;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--swp-text);
    margin: 0 0 1.5rem 0;
}

.hero-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.badge {
    background: var(--swp-green);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}

.hero-notice {
    background: #e8f5e9;
    border-left: 4px solid var(--swp-green);
    padding: 1rem 1.5rem;
    border-radius: 4px;
    margin-top: 1.5rem;
}

.hero-notice p {
    margin: 0;
    color: var(--swp-text);
}

/* Steps-Sektion */
.steps-section {
    background: var(--swp-white);
    border-radius: 12px;
    padding: 2rem 2.5rem;
    margin-bottom: 2rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.steps-section h2 {
    color: var(--swp-green);
    font-size: 1.5rem;
    font-weight: 600;
    margin: 0 0 1.5rem 0;
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.step {
    text-align: center;
}

.step-number {
    width: 50px;
    height: 50px;
    background: var(--swp-green);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 600;
    margin: 0 auto 1rem;
}

.step-title {
    font-weight: 600;
    color: var(--swp-green);
    margin-bottom: 0.5rem;
}

.step-text {
    font-size: 0.95rem;
    color: var(--swp-text);
}

/* Formular */
.form-section {
    background: var(--swp-white);
    border-radius: 12px;
    padding: 2.5rem;
    margin-bottom: 2rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.form-section h2 {
    color: var(--swp-green);
    font-size: 1.5rem;
    font-weight: 600;
    margin: 0 0 1.5rem 0;
}

.form-label {
    font-weight: 500;
    color: var(--swp-text);
    margin-bottom: 0.5rem;
    display: block;
}

.form-label .required {
    color: var(--swp-danger);
    margin-left: 2px;
}

.form-control {
    border: 1px solid var(--swp-border);
    border-radius: 6px;
    padding: 0.75rem;
    font-size: 1rem;
    transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
    width: 100%;
}

.form-control:focus {
    border-color: var(--swp-green);
    outline: 0;
    box-shadow: 0 0 0 0.2rem rgba(0, 158, 61, 0.25);
}

.form-check {
    margin-top: 1.5rem;
    margin-bottom: 1rem;
}

.form-check-input {
    margin-top: 0.3rem;
}

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

.form-check-input:focus {
    border-color: var(--swp-green);
    box-shadow: 0 0 0 0.2rem rgba(0, 158, 61, 0.25);
}

.form-check-label {
    margin-left: 0.5rem;
    font-size: 0.95rem;
    color: var(--swp-text);
}

.form-check-label a {
    color: var(--swp-green);
    text-decoration: none;
}

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

.marketing-hint {
    font-size: 0.85rem;
    color: #6c757d;
    margin-top: 0.5rem;
    font-style: italic;
}

.btn-primary {
    background-color: var(--swp-green);
    border-color: var(--swp-green);
    color: white;
    padding: 0.875rem 2.5rem;
    font-size: 1rem;
    font-weight: 500;
    border-radius: 6px;
    transition: background-color 0.15s ease-in-out, border-color 0.15s ease-in-out;
    cursor: pointer;
    border: none;
}

.btn-primary:hover {
    background-color: var(--swp-green-dark);
    border-color: var(--swp-green-dark);
    color: white;
}

.btn-primary:focus {
    box-shadow: 0 0 0 0.2rem rgba(0, 158, 61, 0.5);
}

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.alert {
    border-radius: 6px;
    padding: 1rem 1.5rem;
    margin-bottom: 1.5rem;
}

.alert-danger {
    background-color: #f8d7da;
    border: 1px solid #f5c6cb;
    color: #721c24;
}

.alert-success {
    background-color: #d4edda;
    border: 1px solid #c3e6cb;
    color: #155724;
}

.hint-text {
    font-size: 0.9rem;
    color: #6c757d;
    margin-top: 0.5rem;
    margin-bottom: 1rem;
}

/* Alternative Kontakt */
.alternative-contact {
    background: var(--swp-white);
    border-radius: 12px;
    padding: 2rem 2.5rem;
    margin-bottom: 2rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.alternative-contact h3 {
    color: var(--swp-green);
    font-size: 1.25rem;
    font-weight: 600;
    margin: 0 0 1rem 0;
}

.alternative-contact p {
    margin: 0.5rem 0;
    color: var(--swp-text);
}

.alternative-contact a {
    color: var(--swp-green);
    text-decoration: none;
}

.alternative-contact a:hover {
    text-decoration: underline;
}

/* FAQ */
.faq-section {
    background: var(--swp-white);
    border-radius: 12px;
    padding: 2rem 2.5rem;
    margin-bottom: 2rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.faq-section h3 {
    color: var(--swp-green);
    font-size: 1.25rem;
    font-weight: 600;
    margin: 0 0 1.5rem 0;
}

.accordion-button {
    color: var(--swp-green);
    font-weight: 500;
}

.accordion-button:not(.collapsed) {
    background-color: #e8f5e9;
    color: var(--swp-green);
}

.accordion-button:focus {
    box-shadow: 0 0 0 0.2rem rgba(0, 158, 61, 0.25);
    border-color: var(--swp-green);
}

.accordion-body {
    color: var(--swp-text);
}

/* Footer */
.footer {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--swp-border);
    text-align: center;
    font-size: 0.9rem;
    color: #6c757d;
}

.footer a {
    color: var(--swp-green);
    text-decoration: none;
    margin: 0 0.5rem;
}

.footer a:hover {
    text-decoration: underline;
}

/* Honeypot - versteckt */
.honeypot-field {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    opacity: 0;
    pointer-events: none;
}

/* Bootstrap Validation Styles */
.was-validated .form-control:valid {
    border-color: var(--swp-green);
}

.was-validated .form-control:invalid {
    border-color: var(--swp-danger);
}

.form-control.is-valid {
    border-color: var(--swp-green);
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 8 8'%3e%3cpath fill='%23009e3d' d='m2.3 6.73.98-.98-.98-.98-.98.98.98.98zm3.4-3.4.98-.98-.98-.98-.98.98.98.98z'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right calc(0.375em + 0.1875rem) center;
    background-size: calc(0.75em + 0.375rem) calc(0.75em + 0.375rem);
}

.form-control.is-invalid {
    border-color: var(--swp-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 d='m5.8 3.6.2.2.2-.2M6 8.4V6'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right calc(0.375em + 0.1875rem) center;
    background-size: calc(0.75em + 0.375rem) calc(0.75em + 0.375rem);
}

/* Kundennummer-Felder */
.customer-number-group {
    position: relative;
}

.remove-customer-no {
    border-color: var(--swp-border);
    color: var(--swp-text);
}

.remove-customer-no:hover {
    background-color: #f8f9fa;
    border-color: var(--swp-danger);
    color: var(--swp-danger);
}

#add-customer-no {
    border-color: var(--swp-green);
    color: var(--swp-green);
}

#add-customer-no:hover {
    background-color: var(--swp-green);
    color: white;
    border-color: var(--swp-green);
}

/* Responsive */
@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }
    
    .hero {
        padding: 1.5rem;
    }
    
    
    .hero h1 {
        font-size: 1.5rem;
    }
    
    .hero-badges {
        flex-direction: column;
    }
    
    .steps {
        grid-template-columns: 1fr;
    }
    
    .form-section,
    .steps-section,
    .alternative-contact,
    .faq-section {
        padding: 1.5rem;
    }
    
    .header-logo {
        max-width: 33.333%;
    }
}

/* Success Message */
.success-message {
    text-align: center;
    padding: 2rem;
}

.success-message h1 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.success-message .btn {
    margin-top: 1rem;
}