.qa-email-sheet-backdrop {
    position: fixed;
    inset: 0;
    z-index: 120000;
    background: rgba(15, 23, 42, 0.55);
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding: 16px;
    animation: qaEmailFadeIn 0.25s ease;
}

@media (min-width: 640px) {
    .qa-email-sheet-backdrop {
        align-items: center;
        padding: 24px;
    }
}

.qa-email-sheet {
    width: 100%;
    max-width: 420px;
    background: #fff;
    border-radius: 20px 20px 12px 12px;
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.22);
    padding: 22px 20px 20px;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    animation: qaEmailSlideUp 0.32s ease;
}

@media (min-width: 640px) {
    .qa-email-sheet {
        border-radius: 16px;
    }
}

.qa-email-sheet-kicker {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: #9c0058;
    margin: 0 0 8px;
}

.qa-email-sheet-title {
    margin: 0 0 10px;
    font-size: 1.15rem;
    font-weight: 700;
    color: #1f2937;
    line-height: 1.35;
}

.qa-email-sheet-message {
    margin: 0 0 16px;
    font-size: 0.92rem;
    line-height: 1.55;
    color: #4b5563;
}

.qa-email-sheet-hint {
    margin: 0 0 14px;
    padding: 10px 12px;
    border-radius: 10px;
    background: #fdf2f8;
    border: 1px solid #f5d0e6;
    font-size: 0.85rem;
    line-height: 1.5;
    color: #6b2148;
}

.qa-email-sheet-label {
    display: block;
    font-size: 0.82rem;
    font-weight: 600;
    color: #374151;
    margin-bottom: 6px;
}

.qa-email-sheet-input {
    width: 100%;
    box-sizing: border-box;
    padding: 14px 16px;
    font-size: 1.25rem;
    letter-spacing: 0.35em;
    text-align: center;
    border: 1px solid #d1d5db;
    border-radius: 12px;
    outline: none;
    font-weight: 600;
    color: #111827;
}

.qa-email-field-wrap {
    position: relative;
}

.qa-email-field-loader {
    display: none;
    position: absolute;
    inset: 0;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.82);
    border-radius: 12px;
    font-size: 0.85rem;
    font-weight: 600;
    color: #9c0058;
    gap: 8px;
}

.qa-email-field-loader.is-visible {
    display: flex;
}

.qa-email-field-loader .qa-email-spin {
    width: 18px;
    height: 18px;
    border: 2px solid #f5d0e6;
    border-top-color: #9c0058;
    border-radius: 50%;
    animation: qaEmailSpin 0.75s linear infinite;
}

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

.qa-email-sheet-input.qa-email-field-loading {
    opacity: 0.35;
    pointer-events: none;
}

.qa-email-sheet-input:focus {
    border-color: #9c0058;
    box-shadow: 0 0 0 3px rgba(156, 0, 88, 0.15);
}

.qa-email-sheet-input.is-invalid {
    border-color: #dc2626;
}

.qa-email-sheet-error {
    margin-top: 8px;
    font-size: 0.82rem;
    color: #dc2626;
    display: none;
}

.qa-email-sheet-error.is-visible {
    display: block;
}

.qa-email-sheet-confirm {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    margin-top: 18px;
    padding: 14px 22px;
    border: none;
    border-radius: 999px;
    background: #9c0058;
    color: #fff;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: underline;
    text-underline-offset: 3px;
    cursor: pointer;
    box-shadow: 0 8px 20px rgba(156, 0, 88, 0.35);
}

.qa-email-sheet-confirm:hover {
    background: #88004d;
}

.qa-email-sheet-confirm .qa-chevron {
    font-size: 1.1rem;
    text-decoration: none;
    line-height: 1;
}

@keyframes qaEmailFadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes qaEmailSlideUp {
    from {
        transform: translateY(24px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.qa-inquiry-form-error {
    display: none;
    margin: 12px 0 0;
    padding: 14px 16px;
    border-radius: 10px;
    background: #fef2f2;
    border: 1px solid #fecaca;
    color: #b91c1c;
    font-weight: 600;
    line-height: 1.55;
    font-size: 0.95rem;
}

.qa-inquiry-form-error.is-visible {
    display: block;
}