:root {
    --pf-orange: #f6821f;
    --pf-orange-dark: #e06d0f;
    --pf-bg: #f2f2f2;
    --pf-card: #ffffff;
    --pf-text: #1a1a1a;
    --pf-muted: #6b7280;
    --pf-border: #e5e7eb;
    --pf-error: #dc2626;
    --pf-success: #16a34a;
    --pf-shadow: 0 1px 3px rgba(0, 0, 0, 0.08), 0 8px 24px rgba(0, 0, 0, 0.06);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--pf-bg);
    color: var(--pf-text);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    -webkit-font-smoothing: antialiased;
}

.pf-topbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--pf-orange) 0%, #f9a825 50%, var(--pf-orange) 100%);
}

.pf-wrap {
    width: 100%;
    max-width: 480px;
    padding: 2rem 1.25rem;
}

.pf-card {
    background: var(--pf-card);
    border: 1px solid var(--pf-border);
    border-radius: 4px;
    box-shadow: var(--pf-shadow);
    overflow: hidden;
}

.pf-header {
    padding: 2rem 2rem 1.25rem;
    text-align: center;
    border-bottom: 1px solid var(--pf-border);
}

.pf-site-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 1rem;
    border-radius: 8px;
    background: #f9fafb;
    border: 1px solid var(--pf-border);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.pf-site-icon img {
    width: 32px;
    height: 32px;
    object-fit: contain;
}

.pf-site-icon svg {
    width: 24px;
    height: 24px;
    color: var(--pf-muted);
}

.pf-domain {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--pf-text);
    letter-spacing: -0.01em;
}

.pf-body {
    padding: 1.75rem 2rem 2rem;
}

.pf-status-line {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
    font-size: 0.9375rem;
    color: var(--pf-muted);
}

.pf-status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--pf-orange);
    flex-shrink: 0;
    animation: pf-pulse 1.5s ease-in-out infinite;
}

.pf-status-dot.success {
    background: var(--pf-success);
    animation: none;
}

.pf-status-dot.error {
    background: var(--pf-error);
    animation: none;
}

@keyframes pf-pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.85); }
}

.pf-steps {
    display: flex;
    flex-direction: column;
    gap: 0.625rem;
    margin-bottom: 1.75rem;
}

.pf-step {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    font-size: 0.8125rem;
    color: #9ca3af;
    transition: color 0.3s;
}

.pf-step.active {
    color: var(--pf-text);
    font-weight: 500;
}

.pf-step.done {
    color: var(--pf-success);
}

.pf-step-icon {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.pf-step-icon svg {
    width: 16px;
    height: 16px;
}

.pf-captcha-zone {
    display: flex;
    justify-content: center;
    min-height: 78px;
    opacity: 0;
    transform: translateY(6px);
    transition: opacity 0.4s, transform 0.4s;
}

.pf-captcha-zone.visible {
    opacity: 1;
    transform: translateY(0);
}

.pf-verifying {
    display: none;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem 0;
}

.pf-verifying.active {
    display: flex;
}

.pf-spinner {
    width: 28px;
    height: 28px;
    border: 2.5px solid var(--pf-border);
    border-top-color: var(--pf-orange);
    border-radius: 50%;
    animation: pf-spin 0.7s linear infinite;
}

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

.pf-verifying span {
    font-size: 0.875rem;
    color: var(--pf-muted);
}

.pf-error {
    display: none;
    margin-top: 1rem;
    padding: 0.75rem 1rem;
    background: #fef2f2;
    border: 1px solid #fecaca;
    border-radius: 4px;
    color: var(--pf-error);
    font-size: 0.8125rem;
    text-align: center;
}

.pf-footer {
    padding: 1rem 2rem;
    background: #fafafa;
    border-top: 1px solid var(--pf-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.75rem;
    color: #9ca3af;
}

.pf-footer-brand {
    display: flex;
    align-items: center;
    gap: 0.375rem;
}

.pf-footer-brand svg {
    width: 14px;
    height: 14px;
    color: var(--pf-orange);
}

.pf-footer-brand strong {
    color: #6b7280;
    font-weight: 600;
}

.pf-ray-id {
    font-family: 'SF Mono', Monaco, Consolas, monospace;
    font-size: 0.6875rem;
    color: #d1d5db;
}

@media (max-width: 480px) {
    .pf-header, .pf-body {
        padding-left: 1.25rem;
        padding-right: 1.25rem;
    }
    .pf-footer {
        flex-direction: column;
        gap: 0.375rem;
        text-align: center;
    }
}