/* =============================================
   Cart Coupon — Strip + Sub-Panel
   ============================================= */

/* ── Strip wrapper ── */
.hd3-coupon-strip-wrap {
    flex-shrink: 0;
    border-top: 1px solid var(--border-color);
}

/* ── Strip ── */
.hd3-coupon-strip {
    background: var(--accent-soft);
}

.hd3-coupon-strip__row {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    border-bottom: 1px solid var(--border-color);
}

.hd3-coupon-strip__icon {
    color: var(--accent);
    flex-shrink: 0;
}

.hd3-coupon-strip__icon--success {
    color: var(--primary);
}

.hd3-coupon-strip__text {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 1px;
}

.hd3-coupon-strip__save {
    font-family: var(--font-body);
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--accent);
    line-height: 1.2;
}

.hd3-coupon-strip--applied .hd3-coupon-strip__save {
    color: var(--primary);
}

.hd3-coupon-strip__sub {
    font-family: var(--font-body);
    font-size: 0.68rem;
    color: var(--text-muted);
    line-height: 1.2;
}

.hd3-coupon-strip__action-btn {
    flex-shrink: 0;
    padding: 5px 14px;
    border: 1.5px solid var(--accent);
    background: transparent;
    color: var(--accent);
    font-family: var(--font-ui);
    font-size: 0.72rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition:
        background var(--transition),
        color var(--transition);
}

.hd3-coupon-strip__action-btn:hover {
    background: var(--accent);
    color: var(--white);
}

.hd3-coupon-strip__action-btn--remove {
    border-color: var(--warm);
    color: var(--warm);
}

.hd3-coupon-strip__action-btn--remove:hover {
    background: var(--warm);
    color: var(--white);
}

/* ── More offers row ── */
.hd3-coupon-strip__more {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    cursor: pointer;
    color: var(--accent);
    font-family: var(--font-body);
    font-size: 0.72rem;
    transition: background var(--transition);
}

.hd3-coupon-strip__more:hover {
    background: var(--border-color);
}

.hd3-coupon-strip__more svg {
    flex-shrink: 0;
    color: var(--accent);
}

.hd3-coupon-strip__view-all {
    margin-left: auto;
    font-size: 0.7rem;
    color: var(--text-muted);
}

/* ═══════════════════════════════════════════════
   Coupon Sub-Panel
   ═══════════════════════════════════════════════ */

.hd3-coupon-panel {
    position: absolute;
    inset: 0;
    background: var(--white);
    z-index: 10;
    display: flex;
    flex-direction: column;
    transform: translateX(100%);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.hd3-coupon-panel.is-open {
    transform: translateX(0);
}

/* ── Panel header ── */
.hd3-coupon-panel__header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 0 16px;
    height: 52px;
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
}

.hd3-coupon-panel__back {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-dark);
    border-radius: var(--radius-sm);
    transition: background var(--transition);
    flex-shrink: 0;
}

.hd3-coupon-panel__back:hover {
    background: var(--accent-soft);
}

.hd3-coupon-panel__header-text {
    display: flex;
    flex-direction: column;
    gap: 1px;
}

.hd3-coupon-panel__title {
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--text-dark);
    margin: 0;
    line-height: 1.2;
}

.hd3-coupon-panel__cart-value {
    font-family: var(--font-body);
    font-size: 0.68rem;
    color: var(--text-muted);
    line-height: 1;
}

/* ── Panel search ── */
.hd3-coupon-panel__search {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
}

.hd3-coupon-panel__input-row {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 8px;
    border: 1.5px solid var(--border-color);
    border-radius: var(--radius-full);
    padding: 7px 12px;
    background: var(--white);
    transition: border-color var(--transition);
}

.hd3-coupon-panel__input-row:focus-within {
    border-color: var(--primary);
}

.hd3-coupon-panel__input-row svg {
    color: var(--text-muted);
    flex-shrink: 0;
}

.hd3-coupon-panel__input {
    border: none;
    outline: none;
    font-family: var(--font-body);
    font-size: 0.8rem;
    color: var(--text-dark);
    background: transparent;
    width: 100%;
    letter-spacing: 0.5px;
}

.hd3-coupon-panel__input::placeholder {
    color: var(--text-muted);
    letter-spacing: 0;
}

.hd3-coupon-panel__apply-btn {
    padding: 8px 18px;
    background: var(--primary);
    color: var(--white);
    font-family: var(--font-ui);
    font-size: 0.78rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: background var(--transition);
    flex-shrink: 0;
}

.hd3-coupon-panel__apply-btn:hover {
    background: var(--primary-dark);
}

.hd3-coupon-panel__msg {
    width: 100%;
    margin: 0;
    font-family: var(--font-body);
    font-size: 0.72rem;
    line-height: 1.3;
    min-height: 0;
}

.hd3-coupon-panel__msg.is-success {
    color: var(--accent);
}
.hd3-coupon-panel__msg.is-error {
    color: var(--warm);
}

/* ── Panel body (scrollable) ── */
.hd3-coupon-panel__body {
    flex: 1;
    overflow-y: auto;
    padding: 12px 16px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.hd3-coupon-panel__loading {
    display: flex;
    justify-content: center;
    padding: 24px 0;
}

.hd3-coupons-list__title {
    font-family: var(--font-ui);
    font-size: 0.62rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--text-muted);
    margin: 0 0 4px;
}

.hd3-coupons-list__empty {
    font-family: var(--font-body);
    font-size: 0.78rem;
    color: var(--text-muted);
    text-align: center;
    padding: 24px 0;
    margin: 0;
}

/* ── Coupon card ── */
.hd3-coupon-card {
    border: 1.5px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 12px 14px;
    background: linear-gradient(
        135deg,
        var(--accent-soft) 0%,
        var(--white) 100%
    );
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.hd3-coupon-card__top {
    display: flex;
    align-items: center;
    gap: 8px;
}

.hd3-coupon-card__icon {
    color: var(--accent);
    flex-shrink: 0;
}

.hd3-coupon-card__code {
    font-family: var(--font-ui);
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-dark);
    flex: 1;
    letter-spacing: 0.5px;
}

.hd3-coupon-card__apply-btn {
    padding: 5px 16px;
    background: var(--primary);
    color: var(--white);
    font-family: var(--font-ui);
    font-size: 0.72rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    flex-shrink: 0;
    transition: background var(--transition);
}

.hd3-coupon-card__apply-btn:hover {
    background: var(--primary-dark);
}

.hd3-coupon-card__label {
    font-family: var(--font-body);
    font-size: 0.75rem;
    color: var(--text-dark);
    margin: 0;
    line-height: 1.3;
}

.hd3-coupon-card__sub {
    font-family: var(--font-body);
    font-size: 0.7rem;
    color: var(--text-muted);
    margin: 0;
    line-height: 1.3;
}

.hd3-coupon-card__saving {
    font-family: var(--font-body);
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--accent);
    margin: 4px 0 0;
    line-height: 1.2;
}

.hd3-coupon-card__info {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.hd3-coupon-card__title {
    font-family: var(--font-body);
    font-size: 0.68rem;
    color: var(--text-muted);
    line-height: 1.2;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.hd3-coupon-card__desc {
    font-family: var(--font-body);
    font-size: 0.72rem;
    color: var(--text-secondary);
    margin: 2px 0 0;
    line-height: 1.4;
}

.hd3-coupon-card__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
    margin-top: 2px;
}

.hd3-coupon-card__meta-pill {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    font-family: var(--font-body);
    font-size: 0.64rem;
    color: var(--text-muted);
    background: var(--white);
    line-height: 1.5;
}

.hd3-coupon-card__meta-pill--hot {
    border-color: var(--warm);
    color: var(--warm);
    background: var(--warm-soft, #fff5f5);
}