.case-feedback-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.35);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease;
    z-index: 1070;
}

.case-feedback-overlay.is-visible {
    opacity: 1;
    pointer-events: auto;
}

.case-feedback-panel {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease;
    z-index: 1080;
}

.case-feedback-panel.is-open {
    opacity: 1;
    pointer-events: auto;
}

.case-feedback-card {
    position: relative;
    width: min(380px, 100%);
    background: #ffffff;
    border-radius: 22px;
    padding: 1.6rem 1.4rem 1.4rem;
    border: 1px solid rgba(30, 60, 114, 0.12);
    box-shadow: 0 18px 36px rgba(15, 23, 42, 0.12);
}

.case-feedback-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: none;
    background: #fff;
    color: #94a3b8;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 6px 12px rgba(15, 23, 42, 0.08);
    cursor: pointer;
}

.case-feedback-header h2 {
    font-size: 1.25rem;
    font-weight: 700;
    color: #1f2937;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    margin-bottom: 0.2rem;
}

.case-feedback-title-icon {
    width: 20px;
    height: 20px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    background: #e0f2fe;
    position: relative;
}

.case-feedback-title-icon::before,
.case-feedback-title-icon::after {
    content: "";
    position: absolute;
    background: #2563eb;
    border-radius: 2px;
}

.case-feedback-title-icon::before {
    width: 12px;
    height: 2px;
    transform: rotate(45deg);
}

.case-feedback-title-icon::after {
    width: 12px;
    height: 2px;
    transform: rotate(-45deg);
}

.case-feedback-header p {
    color: #64748b;
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.case-feedback-rating {
    display: grid;
    grid-template-columns: 36px 1fr;
    gap: 0.75rem;
    align-items: flex-start;
    margin-bottom: 0.9rem;
}

.case-feedback-icon {
    width: 36px;
    height: 36px;
    border-radius: 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
}

.case-feedback-icon--useful {
    background: #e0f2fe;
    color: #0ea5e9;
}

.case-feedback-icon--learned {
    background: #dcfce7;
    color: #16a34a;
}

.case-feedback-icon--confidence {
    background: #e0e7ff;
    color: #6366f1;
}

.case-feedback-content {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.case-feedback-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.9rem;
    font-weight: 600;
    color: #1f2937;
}

.case-feedback-rating-label {
    font-size: 0.8rem;
    color: #1e3c72;
    font-weight: 600;
}

.case-feedback-stars {
    display: flex;
    gap: 0.35rem;
}

.case-feedback-star {
    width: 28px;
    height: 28px;
    border: none;
    border-radius: 8px;
    background: transparent;
    color: #cbd5e1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.2s ease, color 0.2s ease;
    padding: 0;
    cursor: pointer;
}

.case-feedback-star:hover {
    transform: translateY(-1px);
}

.case-feedback-star.is-active {
    color: #f59e0b;
}

.case-feedback-star.is-hover {
    color: #f59e0b;
}

.case-feedback-note-toggle {
    width: 100%;
    border: none;
    background: transparent;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    color: #94a3b8;
    font-size: 0.8rem;
    font-weight: 600;
    margin: 0.5rem 0 0.4rem;
    padding: 0;
    cursor: pointer;
}

.case-feedback-note-action {
    margin-left: auto;
    display: none;
}

.case-feedback-note-toggle i {
    transition: transform 0.2s ease;
}

.case-feedback-note-toggle.is-open {
    color: #1f2937;
}

.case-feedback-note-toggle.is-open .case-feedback-note-action {
    display: inline;
    color: #94a3b8;
}

.case-feedback-note-toggle.is-open i {
    transform: rotate(180deg);
}

.case-feedback-note {
    display: none;
    margin-bottom: 0.75rem;
}

.case-feedback-note.is-open {
    display: block;
}

.case-feedback-note-input {
    width: 100%;
    border: 1px solid rgba(148, 163, 184, 0.35);
    border-radius: 14px;
    padding: 0.7rem 0.85rem;
    font-size: 0.85rem;
    resize: vertical;
    min-height: 90px;
    background: #fff;
}

.case-feedback-note-input:focus {
    outline: none;
    border-color: #3f6fb6;
    box-shadow: 0 0 0 3px rgba(63, 111, 182, 0.15);
}

.case-feedback-error {
    min-height: 1.2rem;
    font-size: 0.8rem;
    color: #dc2626;
    margin-bottom: 0.5rem;
}

.case-feedback-submit {
    width: 100%;
    border: none;
    border-radius: 14px;
    padding: 0.8rem 1rem;
    font-weight: 600;
    background: #9ca3af;
    color: #fff;
    transition: transform 0.2s ease, background 0.2s ease;
    cursor: pointer;
}

.case-feedback-submit.is-ready {
    background: #111827;
    box-shadow: 0 12px 24px rgba(15, 23, 42, 0.2);
}

.case-feedback-submit.is-ready:hover {
    transform: translateY(-1px);
}

.case-feedback-submit:disabled {
    cursor: not-allowed;
}

.case-feedback-success {
    display: none;
    text-align: center;
    color: #1f2937;
    padding: 1.5rem 0.5rem;
}

.case-feedback-success.is-visible {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.4rem;
}

.case-feedback-success-icon {
    width: 62px;
    height: 62px;
    border-radius: 50%;
    background: #dcfce7;
    color: #22c55e;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
}

.case-feedback-open {
    overflow: hidden;
}

@media (max-width: 575.98px) {
    .case-feedback-card {
        padding: 1.4rem 1.2rem 1.2rem;
        border-radius: 20px;
    }
}