/* Porsche Self-Service Design System */
:root {
    /* Primary */
    --color-primary: #d5001c;
    --color-primary-hover: #b3001a;
    --color-primary-light: #fef2f2;
    
    /* Neutral */
    --color-black: #000000;
    --color-dark: #1a1a1a;
    --color-text: #374151;
    --color-text-secondary: #6b7280;
    --color-text-muted: #9ca3af;
    --color-border: #e5e7eb;
    --color-bg: #f5f5f5;
    --color-bg-card: #ffffff;
    
    /* Semantic */
    --color-success: #10b981;
    --color-success-bg: #f0fdf4;
    --color-success-border: #86efac;
    --color-success-text: #065f46;
    --color-error: #dc2626;
    --color-error-bg: #fef2f2;
    --color-error-border: #fecaca;
    --color-error-text: #991b1b;
    --color-warning: #f59e0b;
    --color-warning-bg: #fef3c7;
    --color-warning-border: #fde68a;
    --color-warning-text: #92400e;
    --color-info-bg: #f0f9ff;
    --color-info-border: #bae6fd;
    --color-info-text: #0369a1;
    
    /* Typography */
    --font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, Arial, sans-serif;
    --font-mono: 'Courier New', monospace;
    
    /* Spacing & Radius */
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.15);
}

/* Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-family);
    background-color: var(--color-bg);
    color: var(--color-text);
    min-height: 100vh;
    line-height: 1.5;
}

/* Header */
.site-header {
    background: linear-gradient(135deg, var(--color-black) 0%, var(--color-dark) 100%);
    padding: 16px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 100;
}

.site-header .logo {
    color: #fff;
    font-size: 18px;
    font-weight: 600;
    text-decoration: none;
}

.site-header .badge {
    background: var(--color-primary);
    color: #fff;
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 600;
    font-family: var(--font-family);
    cursor: pointer;
    transition: background-color 0.2s ease, transform 0.1s ease;
    text-decoration: none;
    line-height: 1;
}

.btn:hover {
    transform: translateY(-1px);
}

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

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.btn-primary {
    background: var(--color-primary);
    color: #fff;
}

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

.btn-secondary {
    background: var(--color-border);
    color: var(--color-text);
}

.btn-secondary:hover {
    background: #d1d5db;
}

.btn-dark {
    background: var(--color-dark);
    color: #fff;
}

.btn-dark:hover {
    background: var(--color-black);
}

/* Cards */
.card {
    background: var(--color-bg-card);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    padding: 32px;
}

/* Secret/Credential display (TAP, temporary password) */
.secret-value {
    display: block;
    width: 100%;
    background: #ffffff;
    border: 2px solid #d1d5db;
    border-radius: var(--radius-md);
    color: #111827 !important;
    -webkit-text-fill-color: #111827;
    -webkit-text-security: none !important;
    text-security: none !important;
    font-family: var(--font-mono);
    font-weight: 700;
    line-height: 1.35;
    letter-spacing: 1px;
    text-align: center;
    user-select: all;
    word-break: break-all;
}

.secret-value:hover,
.secret-value:focus {
    background: #ffffff;
    border-color: var(--color-primary);
}

/* Info/Warning/Error Boxes */
.info-box {
    background: var(--color-success-bg);
    border-left: 4px solid var(--color-success);
    padding: 16px 20px;
    margin: 16px 0;
    border-radius: var(--radius-md);
}

.info-box h3 {
    color: var(--color-success-text);
    margin-bottom: 8px;
    font-size: 16px;
}

.info-box p {
    color: #047857;
    line-height: 1.6;
    margin-bottom: 4px;
    font-size: 14px;
}

.warning-box {
    background: var(--color-warning-bg);
    border-left: 4px solid var(--color-warning);
    padding: 16px 20px;
    margin: 16px 0;
    border-radius: var(--radius-md);
}

.warning-box h3 {
    color: var(--color-warning-text);
    margin-bottom: 8px;
    font-size: 15px;
}

.warning-box p {
    color: #b45309;
    line-height: 1.6;
    font-size: 14px;
}

.error-box {
    background: var(--color-error-bg);
    border-left: 4px solid var(--color-error);
    padding: 16px 20px;
    margin: 16px 0;
    border-radius: var(--radius-md);
}

.error-box h3 {
    color: var(--color-error-text);
    margin-bottom: 8px;
}

.error-box p {
    color: var(--color-error);
    line-height: 1.6;
}

/* Step Indicators */
.steps {
    margin: 20px 0;
}

.step {
    display: flex;
    align-items: flex-start;
    margin-bottom: 12px;
    padding: 12px;
    background: #f9fafb;
    border-radius: var(--radius-md);
}

.step-number {
    width: 28px;
    height: 28px;
    background: var(--color-primary);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 13px;
    margin-right: 12px;
    flex-shrink: 0;
}

.step-content {
    flex: 1;
}

.step-title {
    font-weight: 600;
    color: var(--color-dark);
    margin-bottom: 4px;
    font-size: 14px;
}

.step-description {
    color: var(--color-text-secondary);
    font-size: 13px;
    line-height: 1.5;
}

/* Credential Display */
.credential-container {
    background: #f9fafb;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 20px;
    margin: 20px 0;
    text-align: center;
}

.credential-label {
    font-size: 12px;
    color: var(--color-text-secondary);
    margin-bottom: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.credential-code {
    font-size: 28px;
    font-weight: bold;
    color: var(--color-dark);
    font-family: var(--font-mono);
    letter-spacing: 2px;
    padding: 12px;
    background: #fff;
    border-radius: var(--radius-md);
    margin: 8px 0;
    user-select: all;
    cursor: pointer;
    transition: all 0.2s ease;
    border: 2px solid transparent;
    word-break: break-all;
}

.credential-code:hover {
    border-color: var(--color-primary);
    background: var(--color-primary-light);
}

.credential-code.copied {
    background: var(--color-success-bg);
    border-color: var(--color-success);
}

/* Success Icon */
.success-icon {
    width: 64px;
    height: 64px;
    background: var(--color-success);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    animation: scaleIn 0.5s ease-out;
}

.success-icon::after {
    content: '\2713';
    color: white;
    font-size: 36px;
    font-weight: bold;
}

@keyframes scaleIn {
    from { transform: scale(0); }
    to { transform: scale(1); }
}

/* Spinner */
.spinner {
    border: 4px solid #f3f4f6;
    border-top: 4px solid var(--color-primary);
    border-radius: 50%;
    width: 48px;
    height: 48px;
    animation: spin 1s linear infinite;
    margin: 0 auto 16px;
}

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

/* Form Inputs */
input, select, textarea {
    font-family: var(--font-family);
    font-size: 14px;
    padding: 10px 14px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    transition: border-color 0.2s;
    width: 100%;
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(213, 0, 28, 0.1);
}

/* Utility */
.text-center { text-align: center; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }

/* Responsive */
@media (max-width: 600px) {
    .card {
        padding: 20px;
        border-radius: var(--radius-lg);
    }
    
    .credential-code {
        font-size: 22px;
        letter-spacing: 1px;
    }
    
    .button-group {
        flex-direction: column;
    }
}