/* Register Page Styles */
:root {
    --primary-text: #1d1d1f;
    --secondary-text: #86868b;
    --border-color: #d2d2d7;
    --input-border: #d2d2d7;
    --input-border-focus: rgb(42, 82, 152);
    --button-primary: rgb(42, 82, 152);
    --button-primary-hover: rgb(32, 72, 142);
    --background-white: #fff;
    --background-light: #f5f5f7;
    --shadow-light: 0 2px 10px rgba(0, 0, 0, 0.1);
    --font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", sans-serif;
    
    /* Zusätzliche Akzentfarben */
    --accent-color: rgb(42, 82, 152);
    --accent-color-hover: rgb(32, 72, 142);
    --accent-color-light: rgba(42, 82, 152, 0.1);
    --accent-color-focus: rgba(42, 82, 152, 0.15);
    
    /* Passwort-Stärke Farben */
    --strength-weak: #d70015;
    --strength-medium: #ff9500;
    --strength-strong: #34c759;
}

/* Globale Akzentfarben für alle interaktiven Elemente */
*:focus {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

*:focus-visible {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

*:focus:not(:focus-visible) {
    outline: none;
}

body {
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", sans-serif;
    -webkit-font-smoothing: antialiased;
    background-color: #fff;
}

.register-main {
    background-color: var(--background-white);
    min-height: 100vh;
    padding: 40px 20px;
    font-family: var(--font-family);
    font-size: 17px;
    font-weight: 400;
}

.register-main * {
    font-size: 17px;
    font-weight: 400;
}

.register-container {
    max-width: 540px;
    margin: 0 auto;
    background-color: var(--background-white);
}

.register-header {
    text-align: center;
    margin-bottom: 48px;
}

.register-header h1 {
    font-size: 48px !important;
    font-weight: 600 !important;
    line-height: 1.08;
    color: var(--primary-text);
    margin: 0 0 24px 0;
    letter-spacing: -0.003em;
}

.register-subtitle {
    font-size: 17px;
    line-height: 1.38;
    color: var(--primary-text);
    margin: 0 0 24px 0;
    font-weight: 400;
}

.login-link {
    font-size: 17px;
    line-height: 1.47;
    color: var(--primary-text);
    margin: 0;
}

.login-link a {
    color: var(--button-primary);
    text-decoration: none;
}

.login-link a:hover {
    text-decoration: underline;
}

/* Progress Indicator */
.progress-indicator {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 48px;
    padding: 0 20px;
}

.progress-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    position: relative;
    z-index: 2;
}

.step-number {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 2px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    font-weight: 500;
    color: var(--secondary-text);
    background-color: var(--background-white);
    transition: all 0.3s ease;
}

.progress-step.active .step-number,
.progress-step.completed .step-number {
    border-color: var(--accent-color);
    background-color: var(--accent-color);
    color: white;
}

.step-label {
    font-size: 12px;
    color: var(--secondary-text);
    text-align: center;
    white-space: nowrap;
    transition: color 0.3s ease;
}

.progress-step.active .step-label {
    color: var(--accent-color);
    font-weight: 500;
}

.progress-line {
    height: 2px;
    width: 80px;
    background-color: var(--border-color);
    transition: background-color 0.3s ease;
}

.progress-line.completed {
    background-color: var(--accent-color);
}

.register-form {
    position: relative;
    min-height: 400px;
}

.form-step {
    display: none;
    flex-direction: column;
    gap: 24px;
    opacity: 0;
    transform: translateX(50px);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.form-step.active {
    display: flex;
    opacity: 1;
    transform: translateX(0);
}

.form-step.sliding-out-left {
    display: flex;
    opacity: 0;
    transform: translateX(-50px);
}

.form-step.sliding-out-right {
    display: flex;
    opacity: 0;
    transform: translateX(50px);
}

.form-group {
    position: relative;
}

.form-label {
    display: block;
    font-size: 17px;
    font-weight: 400;
    color: var(--primary-text);
    margin-bottom: 8px;
    line-height: 1.47;
}

.form-input {
    width: 100%;
    padding: 16px;
    font-size: 17px;
    line-height: 1.47;
    border: 1px solid var(--input-border);
    border-radius: 50px;
    background-color: var(--background-white);
    color: var(--primary-text);
    font-family: var(--font-family);
    transition: border-color 0.2s ease;
    box-sizing: border-box;
}

.form-input:focus {
    outline: none;
    border-color: var(--accent-color) !important;
    box-shadow: 0 0 0 4px var(--accent-color-focus);
}

.form-input::placeholder {
    color: var(--secondary-text);
}

/* Passwort-Stärke-Anzeige */
.password-strength {
    margin-top: 12px;
    display: none;
}

.password-strength.visible {
    display: block;
}

.strength-bar {
    height: 4px;
    background-color: var(--border-color);
    border-radius: 2px;
    overflow: hidden;
    margin-bottom: 8px;
}

.strength-bar-fill {
    height: 100%;
    width: 0%;
    transition: width 0.3s ease, background-color 0.3s ease;
    border-radius: 2px;
}

.strength-bar-fill.weak {
    width: 33%;
    background-color: var(--strength-weak);
}

.strength-bar-fill.medium {
    width: 66%;
    background-color: var(--strength-medium);
}

.strength-bar-fill.strong {
    width: 100%;
    background-color: var(--strength-strong);
}

.strength-text {
    font-size: 14px;
    line-height: 1.43;
    color: var(--secondary-text);
}

.strength-text.weak {
    color: var(--strength-weak);
}

.strength-text.medium {
    color: var(--strength-medium);
}

.strength-text.strong {
    color: var(--strength-strong);
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    cursor: pointer;
    font-size: 17px;
    line-height: 1.47;
    color: var(--primary-text);
}

.checkbox-label input[type="checkbox"] {
    margin-right: 12px;
    margin-top: 2px;
    width: 16px;
    height: 16px;
    accent-color: var(--accent-color) !important;
    flex-shrink: 0;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"]:focus {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

.checkbox-text {
    flex: 1;
}

.terms-link {
    color: var(--button-primary);
    text-decoration: none;
}

.terms-link:hover {
    text-decoration: underline;
}

.register-button {
    background-color: var(--button-primary);
    color: white;
    border: none;
    border-radius: 50px;
    padding: 16px 24px;
    font-size: 17px;
    font-weight: 400;
    font-family: var(--font-family);
    cursor: pointer;
    transition: background-color 0.2s ease;
    margin-top: 8px;
}

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

.register-button:active {
    transform: translateY(1px);
}

.register-button:disabled {
    background-color: var(--secondary-text);
    cursor: not-allowed;
    opacity: 0.6;
}

.register-button:disabled:hover {
    background-color: var(--secondary-text);
    transform: none;
}

.register-button.secondary {
    background-color: transparent;
    color: var(--accent-color);
    border: 1px solid var(--accent-color);
}

.register-button.secondary:hover {
    background-color: var(--accent-color-light);
}

.button-group {
    display: flex;
    gap: 12px;
    margin-top: 8px;
}

.button-group .register-button {
    flex: 1;
}

/* Summary Section */
.summary-section {
    background-color: var(--background-light);
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 24px;
}

.summary-section h3 {
    font-size: 21px !important;
    font-weight: 600 !important;
    color: var(--primary-text);
    margin: 0 0 20px 0;
}

.summary-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
}

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

.summary-divider {
    height: 1px;
    background-color: var(--border-color);
    margin: 16px 0;
}

.summary-label {
    font-size: 15px;
    color: var(--secondary-text);
    font-weight: 400;
}

.summary-value {
    font-size: 15px;
    color: var(--primary-text);
    font-weight: 500;
    text-align: right;
}

/* Form Row für PLZ + Stadt */
.form-row {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 12px;
}

/* Field validation styles */
.form-input.error {
    border-color: #d70015;
    box-shadow: 0 0 0 4px rgba(215, 0, 21, 0.15);
}

.form-input.success {
    border-color: #34c759;
}

.field-error {
    color: #d70015;
    font-size: 14px;
    margin-top: 8px;
    display: flex;
    align-items: center;
    gap: 6px;
    line-height: 1.43;
}

.field-error::before {
    content: "!";
    font-size: 10px;
    font-weight: 700;
    background: #ff3b30;
    color: white;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.field-success {
    color: #34c759;
    font-size: 14px;
    margin-top: 8px;
    display: flex;
    align-items: center;
    gap: 6px;
    line-height: 1.43;
}

.field-success::before {
    content: "✓";
    font-size: 12px;
    font-weight: 600;
}

/* Loading state */
.register-button.loading {
    position: relative;
    color: transparent;
    pointer-events: none;
}

.register-button.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 16px;
    height: 16px;
    margin: -8px 0 0 -8px;
    border: 2px solid transparent;
    border-top: 2px solid #ffffff;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* Mobile Responsive */
@media (max-width: 768px) {
    .register-main {
        padding: 20px 16px;
    }
    
    .register-header h1 {
        font-size: 32px !important;
    }
    
    .register-subtitle {
        font-size: 17px;
    }

    .progress-indicator {
        margin-bottom: 32px;
        overflow-x: auto;
        padding: 0 10px;
    }

    .step-label {
        font-size: 10px;
    }

    .progress-line {
        width: 30px;
        min-width: 30px;
    }

    .step-number {
        width: 32px;
        height: 32px;
        font-size: 13px;
    }
}

@media (max-width: 480px) {
    .register-header h1 {
        font-size: 28px !important;
    }
    
    .register-subtitle {
        font-size: 17px;
    }
    
    .form-input {
        font-size: 17px;
        padding: 14px;
    }
    
    .register-button {
        font-size: 17px;
        padding: 14px 20px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .company-fields {
        padding: 16px;
    }
}