.sp-support-fab {
    position: fixed;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    z-index: 1040;
    border: none;
    border-radius: 0 8px 8px 0;
    background: var(--brand-green, #9ab29a);
    color: #fff;
    width: 44px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 2px 0 8px rgba(0, 0, 0, 0.12);
    transition: background-color 0.2s ease, width 0.2s ease;
}

.sp-support-fab:hover,
.sp-support-fab:focus {
    background: var(--brand-green-dark, #869e86);
    color: #fff;
    outline: none;
}

.sp-support-fab i {
    font-size: 1.25rem;
}

.sp-support-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.35);
    z-index: 1041;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.25s ease, visibility 0.25s ease;
}

.sp-support-overlay.is-open {
    opacity: 1;
    visibility: visible;
}

.sp-support-panel {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    width: min(100%, 340px);
    max-width: 100vw;
    z-index: 1042;
    background: #fff;
    box-shadow: 4px 0 24px rgba(0, 0, 0, 0.15);
    transform: translateX(-100%);
    transition: transform 0.28s ease;
    display: flex;
    flex-direction: column;
}

.sp-support-panel.is-open {
    transform: translateX(0);
}

.sp-support-panel__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1rem 0.75rem;
    border-bottom: 1px solid var(--light-gray, #e9e9e9);
    background: var(--accent-color, #f8f8f8);
}

.sp-support-panel__header h2 {
    font-size: 1.05rem;
    font-weight: 600;
    margin: 0;
    color: var(--primary-color, #333);
}

.sp-support-panel__close {
    border: none;
    background: transparent;
    font-size: 1.35rem;
    line-height: 1;
    color: var(--secondary-color, #666);
    padding: 0.25rem;
}

.sp-support-panel__body {
    padding: 1rem;
    overflow-y: auto;
    flex: 1;
}

.sp-support-panel__hint {
    font-size: 0.875rem;
    color: var(--secondary-color, #666);
    margin-bottom: 1rem;
}

.sp-support-panel .form-label {
    font-weight: 500;
    font-size: 0.875rem;
}

.sp-support-panel .btn-primary {
    background-color: var(--brand-green, #9ab29a);
    border-color: var(--brand-green, #9ab29a);
}

.sp-support-panel .btn-primary:hover,
.sp-support-panel .btn-primary:focus {
    background-color: var(--brand-green-dark, #869e86);
    border-color: var(--brand-green-dark, #869e86);
}

.sp-support-success {
    text-align: center;
    padding: 1.5rem 0.5rem;
}

.sp-support-success i {
    font-size: 2.5rem;
    color: var(--success, #28a745);
}

.sp-support-success h3 {
    font-size: 1.1rem;
    margin: 0.75rem 0 0.5rem;
    color: var(--primary-color, #333);
}

.sp-support-success p {
    font-size: 0.9rem;
    color: var(--secondary-color, #666);
    margin: 0;
}

@media (min-width: 992px) {
    .sp-support-fab {
        width: 48px;
        height: 52px;
    }
}