.anchor-feedback-button {
    position: fixed;
    right: 16px;
    bottom: 16px;
    z-index: 1200;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1rem;
    border-radius: 999px;
    border: 1px solid rgba(0, 0, 0, 0.08);
    background: #111827;
    color: white;
    font-weight: 700;
    font-size: 0.9rem;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
    cursor: pointer;
}

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

.anchor-feedback-backdrop {
    position: fixed;
    inset: 0;
    z-index: 1300;
    background: rgba(17, 24, 39, 0.55);
    opacity: 0;
    pointer-events: none;
    transition: opacity 200ms ease;
}

.anchor-feedback-backdrop.is-open {
    opacity: 1;
    pointer-events: auto;
}

.anchor-feedback-modal {
    position: fixed;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%) scale(0.98);
    z-index: 1400;
    width: min(520px, calc(100vw - 32px));
    background: white;
    border-radius: 14px;
    border: 1px solid rgba(0, 0, 0, 0.08);
    box-shadow: 0 18px 60px rgba(0, 0, 0, 0.25);
    opacity: 0;
    pointer-events: none;
    transition: opacity 200ms ease, transform 200ms ease;

    max-height: calc(100vh - 32px);
    overflow: hidden;
}

.anchor-feedback-modal.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: translate(-50%, -50%) scale(1);
}

.anchor-feedback-modal * {
    box-sizing: border-box;
}

.anchor-feedback-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem 1rem 0.25rem 1rem;
}

.anchor-feedback-title {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 800;
    color: #111827;
}

.anchor-feedback-subtitle {
    margin: 0.35rem 0 0 0;
    font-size: 0.9rem;
    color: #4b5563;
    line-height: 1.35;
}

.anchor-feedback-close {
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0.25rem 0.35rem;
    font-size: 1.25rem;
    line-height: 1;
    color: #6b7280;
}

.anchor-feedback-body {
    padding: 0.75rem 1rem 1rem 1rem;
    overflow-y: auto;
    max-height: calc(100vh - 240px);
}

.anchor-feedback-field {
    margin-top: 0.75rem;
}

.anchor-feedback-label {
    display: block;
    font-weight: 700;
    margin-bottom: 0.4rem;
    color: #111827;
    font-size: 0.9rem;
}

.anchor-feedback-hint {
    margin-top: 0.35rem;
    font-size: 0.82rem;
    color: #6b7280;
}

.anchor-feedback-textarea,
.anchor-feedback-email {
    width: 100%;
    padding: 0.65rem 0.75rem;
    border-radius: 10px;
    border: 1px solid #e5e7eb;
    font-size: 0.95rem;
    color: #111827;
    outline: none;
}

.anchor-feedback-textarea {
    resize: vertical;
    min-height: 120px;
}

.anchor-feedback-textarea:focus,
.anchor-feedback-email:focus {
    border-color: rgba(37, 99, 235, 0.6);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.anchor-feedback-error {
    margin-top: 0.6rem;
    color: #dc2626;
    font-size: 0.85rem;
    font-weight: 600;
    display: none;
}

.anchor-feedback-actions {
    display: flex;
    gap: 0.6rem;
    justify-content: flex-end;
    margin-top: 1rem;
}

.anchor-feedback-btn {
    padding: 0.55rem 1.1rem;
    border-radius: 999px;
    font-weight: 700;
    border: 1px solid transparent;
    cursor: pointer;
    font-size: 0.9rem;
}

.anchor-feedback-btn-primary {
    background: #2563eb;
    color: white;
}

.anchor-feedback-btn-secondary {
    background: #f3f4f6;
    color: #111827;
    border-color: #e5e7eb;
}

.anchor-feedback-success {
    position: absolute;
    inset: 0;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 1.2rem 1rem 1.25rem 1rem;
    text-align: center;
    font-weight: 800;
    color: #16a34a;
    background: white;
    border-radius: 14px;
}

@media (max-width: 420px) {
    .anchor-feedback-button {
        right: 12px;
        bottom: 12px;
        padding: 0.55rem 0.9rem;
    }
}