.qr-coupons-shell {
    --qr-brand: #0e5bd7;
    --qr-brand-dark: #093e96;
    --qr-text: #102038;
    --qr-muted: #62708a;
    --qr-border: #d9e1ee;
    --qr-border-strong: #c7d4e8;
    --qr-bg: #f4f8fd;
    --qr-panel: #ffffff;
    --qr-panel-soft: linear-gradient(180deg, #ffffff 0%, #f6f9fe 100%);
    --qr-shadow: 0 24px 52px rgba(17, 38, 73, 0.08);
    display: grid;
    gap: 16px;
    margin: 24px 0;
    color: var(--qr-text);
}

.qr-coupons-shell--narrow {
    max-width: 760px;
    margin-left: auto;
    margin-right: auto;
}

.qr-coupons-card {
    border: 1px solid var(--qr-border);
    border-radius: 24px;
    background: var(--qr-panel-soft);
    box-shadow: var(--qr-shadow);
    overflow: hidden;
}

.qr-coupons-card--hero,
.qr-coupons-card--header,
.qr-coupons-card--empty,
.qr-coupons-card--code {
    padding: 22px;
}

.qr-coupons-card--hero {
    display: grid;
    gap: 16px;
    grid-template-columns: minmax(0, 1fr) minmax(220px, 300px);
    align-items: stretch;
}

.qr-coupons-card--compact-hero {
    grid-template-columns: minmax(0, 1fr) minmax(210px, 280px);
}

.qr-coupons-card--summary {
    display: grid;
    gap: 16px;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
}

.qr-coupons-summary__stats {
    display: grid;
    gap: 10px;
    grid-template-columns: repeat(2, minmax(110px, 1fr));
}

.qr-coupons-summary__stats > div {
    padding: 14px 16px;
    border-radius: 18px;
    border: 1px solid #e5ebf5;
    background: #fff;
    text-align: center;
}

.qr-coupons-summary__stats span {
    display: block;
    margin-bottom: 4px;
    color: var(--qr-muted);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.qr-coupons-summary__stats strong {
    font-size: 1.5rem;
}

.qr-coupons-card h2,
.qr-coupons-card h3 {
    margin: 0 0 10px;
    line-height: 1.08;
}

.qr-coupons-card h2 {
    font-size: clamp(1.5rem, 3vw, 2.1rem);
}

.qr-coupons-card h3 {
    font-size: 1.2rem;
}

.qr-coupons-card p {
    margin: 0;
    color: var(--qr-muted);
    line-height: 1.6;
}

.qr-coupons-kicker {
    display: inline-block;
    margin-bottom: 8px;
    color: #ffb56d;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

.qr-coupons-form {
    display: grid;
    gap: 10px;
    margin-top: 16px;
}

.qr-coupons-form label {
    font-weight: 700;
}

.qr-coupons-form__row {
    display: grid;
    gap: 12px;
    grid-template-columns: minmax(0, 1fr) auto;
}

.qr-coupons-form input[type="text"],
.qr-coupons-form input[type="password"] {
    width: 100%;
    min-height: 52px;
    padding: 0 16px;
    border: 1px solid var(--qr-border-strong);
    border-radius: 16px;
    background: #fff;
    color: var(--qr-text);
    font-size: 16px;
}

.qr-coupons-form--redeem input[type="text"] {
    font-size: 18px;
    font-weight: 700;
    letter-spacing: 0.03em;
}

.qr-coupons-button,
.qr-coupons-form button,
.qr-coupons-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 50px;
    padding: 0 18px;
    border: 0;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--qr-brand) 0%, #1789f7 100%);
    color: #fff;
    font-weight: 800;
    text-decoration: none;
    cursor: pointer;
    box-shadow: 0 16px 28px rgba(14, 91, 215, 0.2);
}

.qr-coupons-toggle {
    width: 100%;
    background: linear-gradient(135deg, #18304f 0%, #355e95 100%);
    box-shadow: none;
}

.qr-coupons-actions {
    margin-top: 18px;
}

.qr-coupons-alert {
    margin-top: 16px;
    padding: 14px 16px;
    border-radius: 16px;
    font-weight: 700;
}

.qr-coupons-alert--success {
    background: #dff8ea;
    color: #0f7048;
}

.qr-coupons-alert--error {
    background: #ffe7e9;
    color: #9d2f3d;
}

.qr-coupons-mini-panel {
    height: 100%;
    padding: 20px;
    border-radius: 20px;
    border: 1px solid rgba(14, 91, 215, 0.12);
    background: linear-gradient(180deg, #eef5ff 0%, #f8fbff 100%);
}

.qr-coupons-mini-panel strong {
    display: block;
    margin-bottom: 12px;
}

.qr-coupons-mini-list {
    display: grid;
    gap: 10px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.qr-coupons-mini-list li {
    position: relative;
    padding-left: 18px;
    color: var(--qr-muted);
}

.qr-coupons-mini-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 9px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: linear-gradient(135deg, #ffb56d 0%, #0e5bd7 100%);
}

.qr-coupons-code-head {
    display: flex;
    align-items: start;
    justify-content: space-between;
    gap: 14px;
}

.qr-coupons-intro-copy {
    margin-top: 6px;
}

.qr-coupons-code-grid {
    display: grid;
    gap: 16px;
    margin-top: 16px;
}

.qr-coupons-code-summary--compact {
    display: grid;
    gap: 14px;
}

.qr-coupons-data-pills {
    display: grid;
    gap: 10px;
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.qr-coupons-data-pills > div {
    padding: 14px 16px;
    border: 1px solid #e7edf7;
    border-radius: 18px;
    background: #fff;
}

.qr-coupons-data-pills span {
    display: block;
    margin-bottom: 6px;
    color: var(--qr-muted);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.qr-coupons-data-pills strong {
    display: block;
    color: var(--qr-text);
    line-height: 1.4;
}

.qr-coupons-code-visual {
    margin-top: 4px;
}

.qr-coupons-code-visual__inner {
    display: grid;
    gap: 16px;
    grid-template-columns: minmax(0, 170px) minmax(0, 1fr);
    padding: 18px;
    border-radius: 22px;
    border: 1px solid #e3eaf6;
    background: linear-gradient(180deg, #edf4ff 0%, #f9fbff 100%);
}

.qr-coupons-code-visual img {
    width: 100%;
    max-width: 170px;
    height: auto;
    padding: 10px;
    border-radius: 18px;
    background: #fff;
    border: 1px solid #dce6f3;
}

.qr-coupons-code-human {
    display: grid;
    align-content: center;
    gap: 8px;
}

.qr-coupons-code-human span {
    color: var(--qr-muted);
    font-size: 13px;
}

.qr-coupons-code-human code {
    display: inline-flex;
    align-items: center;
    width: fit-content;
    padding: 10px 12px;
    border-radius: 12px;
    background: #fff;
    color: #143463;
    font-weight: 800;
    letter-spacing: 0.05em;
    border: 1px solid #d9e6f6;
}

.qr-coupons-card--empty h3 {
    margin-bottom: 8px;
}

.qr-coupons-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 28px;
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.03em;
}

.qr-coupons-badge--active {
    color: #0c6e45;
    background: #d9f7e8;
}

.qr-coupons-badge--used {
    color: #933434;
    background: #fde5e5;
}

.qr-coupons-badge--muted {
    color: #556171;
    background: #e9edf3;
}

@media (max-width: 740px) {
    .qr-coupons-card--hero,
    .qr-coupons-card--summary,
    .qr-coupons-form__row,
    .qr-coupons-code-visual__inner,
    .qr-coupons-data-pills {
        grid-template-columns: 1fr;
    }

    .qr-coupons-card--hero,
    .qr-coupons-card--header,
    .qr-coupons-card--empty,
    .qr-coupons-card--code {
        padding: 18px;
        border-radius: 20px;
    }

    .qr-coupons-code-head {
        flex-direction: column;
    }

    .qr-coupons-code-visual img {
        max-width: 220px;
        justify-self: center;
    }
}