.kss-wrap {
    color: #172033;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    margin: 0 auto;
    max-width: 1180px;
    padding: 32px 18px;
}

.kss-wrap * {
    box-sizing: border-box;
}

.kss-kicker {
    color: #2363d1;
    display: inline-block;
    font-size: 12px;
    font-weight: 800;
    letter-spacing: .05em;
    margin-bottom: 10px;
    text-transform: uppercase;
}

.kss-hero {
    align-items: stretch;
    display: grid;
    gap: 22px;
    grid-template-columns: minmax(0, 1.1fr) minmax(320px, .9fr);
    min-height: 560px;
}

.kss-hero-copy {
    background: linear-gradient(135deg, #fff 0%, #f8fbff 100%);
    border: 1px solid #dbe5f4;
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 48px;
}

.kss-hero h1,
.kss-dashboard h1,
.kss-auth h1 {
    font-size: 44px;
    line-height: 1.08;
    margin: 0 0 14px;
}

.kss-hero p,
.kss-dashboard-head p,
.kss-feature p,
.kss-price-card p,
.kss-panel p,
.kss-auth-box p {
    color: #5b6678;
    font-size: 16px;
    line-height: 1.65;
    margin: 0 0 20px;
}

.kss-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.kss-button {
    align-items: center;
    border: 1px solid transparent;
    border-radius: 8px;
    cursor: pointer;
    display: inline-flex;
    font-size: 14px;
    font-weight: 800;
    gap: 8px;
    justify-content: center;
    min-height: 42px;
    padding: 10px 15px;
    text-decoration: none;
    transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
}

.kss-button:hover {
    transform: translateY(-1px);
}

.kss-button:disabled {
    cursor: wait;
    opacity: .72;
    transform: none;
}

.kss-button-primary {
    background: #2263d8;
    box-shadow: 0 10px 22px rgba(34, 99, 216, .22);
    color: #fff;
}

.kss-button-light {
    background: #fff;
    border-color: #cfd8e6;
    color: #172033;
}

.kss-wide {
    width: 100%;
}

.kss-demo-panel,
.kss-panel,
.kss-auth-box,
.kss-book-card,
.kss-feature,
.kss-price-card {
    background: #fff;
    border: 1px solid #dbe3ee;
    border-radius: 8px;
    box-shadow: 0 12px 32px rgba(18, 31, 54, .07);
}

.kss-demo-panel {
    align-self: center;
    padding: 24px;
}

.kss-panel-head,
.kss-panel-title,
.kss-book-title-row,
.kss-dashboard-head {
    align-items: center;
    display: flex;
    gap: 16px;
    justify-content: space-between;
}

.kss-panel-head {
    border-bottom: 1px solid #e3e8f0;
    margin-bottom: 18px;
    padding-bottom: 14px;
}

.kss-panel-head span,
.kss-panel-title h2,
.kss-book-card h2,
.kss-panel h2,
.kss-price-card h3,
.kss-feature h2 {
    margin: 0;
}

.kss-panel-head strong,
.kss-badge,
.kss-plan-pill {
    background: #e9f7ef;
    border: 1px solid #bfe7cd;
    border-radius: 999px;
    color: #14663b;
    font-size: 12px;
    font-weight: 800;
    padding: 6px 10px;
}

.kss-form {
    display: grid;
    gap: 14px;
}

.kss-form label,
.kss-demo-panel label {
    color: #344055;
    display: grid;
    font-size: 13px;
    font-weight: 800;
    gap: 7px;
}

.kss-form input,
.kss-demo-panel input,
.kss-link-row input,
.kss-form select {
    background: #fff;
    border: 1px solid #cdd7e5;
    border-radius: 8px;
    color: #172033;
    font-size: 15px;
    min-height: 44px;
    padding: 10px 12px;
    width: 100%;
}

.kss-field-help {
    color: #69778a;
    font-size: 12px;
    font-weight: 600;
    line-height: 1.45;
}

.kss-cover-control {
    align-items: center;
    display: grid;
    gap: 8px;
    grid-template-columns: minmax(0, 1fr) auto;
}

.kss-demo-output {
    background: #f7f9fc;
    border: 1px dashed #aebbd0;
    border-radius: 8px;
    margin: 16px 0;
    padding: 14px;
}

.kss-demo-output span {
    color: #657286;
    display: block;
    font-size: 12px;
    font-weight: 800;
    margin-bottom: 6px;
    text-transform: uppercase;
}

.kss-demo-output strong {
    display: block;
    overflow-wrap: anywhere;
}

.kss-preview-grid,
.kss-price-cards,
.kss-auth-grid {
    display: grid;
    gap: 16px;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    margin-top: 22px;
}

.kss-feature {
    padding: 22px;
}

.kss-feature-icon {
    align-items: center;
    background: #fff4df;
    border: 1px solid #ffd595;
    border-radius: 8px;
    color: #8a5200;
    display: inline-flex;
    font-weight: 900;
    height: 34px;
    justify-content: center;
    margin-bottom: 14px;
    width: 34px;
}

.kss-pricing {
    align-items: stretch;
    display: grid;
    gap: 18px;
    grid-template-columns: .8fr 1.2fr;
    margin-top: 34px;
}

.kss-price-card {
    padding: 22px;
}

.kss-price-card strong {
    display: block;
    font-size: 22px;
    margin: 10px 0;
}

.kss-price-card-pro {
    border-color: #2263d8;
}

.kss-auth-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.kss-auth-single {
    margin: 40px auto 0;
    max-width: 560px;
}

.kss-auth-single .kss-auth-box {
    width: 100%;
}

.kss-auth-back-link {
    display: inline-block;
    margin-top: 16px;
}

.kss-auth-box,
.kss-panel {
    padding: 24px;
}

.kss-notice {
    background: #e9f7ef;
    border: 1px solid #bfe7cd;
    border-radius: 8px;
    color: #14663b;
    font-weight: 800;
    margin-bottom: 16px;
    padding: 12px 14px;
}

.kss-dashboard-head {
    align-items: flex-start;
    border-bottom: 1px solid #dfe6ef;
    margin-bottom: 22px;
    padding-bottom: 18px;
}

.kss-dashboard-actions {
    align-items: stretch;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: flex-end;
}

.kss-plan-pill {
    border-radius: 8px;
    display: grid;
    min-width: 142px;
    text-align: center;
}

.kss-plan-pill strong {
    color: #172033;
    font-size: 18px;
}

.kss-plan-actions {
    display: grid;
    gap: 8px;
}

.kss-plan-options {
    display: grid;
    gap: 10px;
}

.kss-plan-options-compact {
    margin-top: 10px;
}

.kss-plan-option {
    background: #fff;
    border: 1px solid #dfe7f1;
    border-radius: 8px;
    display: grid;
    gap: 8px;
    padding: 12px;
}

.kss-plan-option strong {
    color: #172033;
    font-size: 15px;
}

.kss-plan-option span {
    color: #69778a;
    font-size: 12px;
    font-weight: 700;
}

.kss-layout {
    align-items: start;
    display: grid;
    gap: 18px;
    grid-template-columns: minmax(0, 1fr) 300px;
}

.kss-main,
.kss-book-list,
.kss-sidebar {
    display: grid;
    gap: 18px;
}

.kss-details {
    background: #f7f9fc;
    border: 1px solid #dfe6ef;
    border-radius: 8px;
    padding: 12px;
}

.kss-details summary {
    cursor: pointer;
    font-weight: 800;
}

.kss-mode-choice,
.kss-admin-choice {
    background: #fff;
    border: 1px solid #dfe7f1;
    border-radius: 8px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 12px 0;
    padding: 10px;
}

.kss-mode-choice label,
.kss-admin-choice label {
    align-items: center;
    color: #344055;
    display: inline-flex;
    font-size: 13px;
    font-weight: 800;
    gap: 7px;
    margin: 0;
}

.kss-mode-choice input,
.kss-admin-choice input {
    min-height: auto;
    width: auto;
}

.kss-store-manager {
    margin-top: 14px;
}

.kss-store-form {
    display: grid;
    gap: 12px;
}

.kss-store-edit-row {
    align-items: center;
    background: #fff;
    border: 1px solid #dfe7f1;
    border-radius: 8px;
    display: grid;
    gap: 12px;
    grid-template-columns: minmax(210px, 240px) minmax(0, 1fr);
    margin-top: 12px;
    padding: 10px;
}

.kss-form .kss-store-toggle,
.kss-store-edit-row .kss-store-toggle {
    align-items: center;
    display: flex;
    gap: 10px;
    margin: 0;
    min-width: 0;
}

.kss-form .kss-store-toggle input[type="checkbox"],
.kss-store-edit-row .kss-store-toggle input[type="checkbox"] {
    height: 1px;
    min-height: 1px;
    opacity: 0;
    overflow: hidden;
    position: absolute;
    width: 1px;
}

.kss-toggle-switch {
    background: #b8c4d4;
    border-radius: 999px;
    box-shadow: inset 0 0 0 1px rgba(23, 32, 51, .08);
    flex: 0 0 42px;
    height: 24px;
    position: relative;
    transition: background .18s ease;
}

.kss-toggle-switch::after {
    background: #fff;
    border-radius: 50%;
    box-shadow: 0 2px 6px rgba(23, 32, 51, .22);
    content: "";
    height: 18px;
    left: 3px;
    position: absolute;
    top: 3px;
    transition: transform .18s ease;
    width: 18px;
}

.kss-store-toggle input:checked + .kss-toggle-switch {
    background: #315f4d;
}

.kss-store-toggle input:checked + .kss-toggle-switch::after {
    transform: translateX(18px);
}

.kss-store-name {
    display: grid;
    gap: 2px;
    min-width: 0;
}

.kss-store-name strong {
    color: #172033;
    font-size: 14px;
    line-height: 1.2;
}

.kss-store-name small {
    color: #69778a;
    font-size: 11px;
    font-weight: 700;
    line-height: 1.2;
}

.kss-badge {
    background: #fff4df;
    border-color: #ffd595;
    color: #8a5200;
}

.kss-upgrade-box,
.kss-empty {
    background: #f7f9fc;
    border: 1px dashed #b9c5d6;
    border-radius: 8px;
    padding: 18px;
}

.kss-book-card {
    align-items: start;
    display: grid;
    gap: 16px;
    grid-template-columns: 72px minmax(0, 1fr) 154px;
    padding: 18px;
}

.kss-book-cover {
    align-items: center;
    aspect-ratio: 3 / 4;
    background: #172033;
    border: 1px solid #d6e0ec;
    border-radius: 8px;
    display: flex;
    justify-content: center;
    overflow: hidden;
    position: relative;
    width: 72px;
}

.kss-book-cover img {
    height: 100%;
    object-fit: cover;
    width: 100%;
}

.kss-cover-fallback {
    align-items: center;
    background: linear-gradient(145deg, #f7f1df, #dbe9ee);
    color: #172033;
    display: none;
    flex-direction: column;
    gap: 4px;
    height: 100%;
    justify-content: center;
    text-align: center;
    width: 100%;
}

.kss-cover-empty .kss-cover-fallback {
    display: flex;
}

.kss-book-cover .kss-cover-fallback span {
    color: #2263d8;
    font-size: 28px;
    font-weight: 900;
}

.kss-book-cover .kss-cover-fallback small {
    color: #5c6878;
    font-size: 8px;
    font-weight: 900;
    letter-spacing: .08em;
    text-transform: uppercase;
}

.kss-book-card h2 {
    font-size: 20px;
}

.kss-book-card p {
    color: #657286;
    margin: 3px 0 0;
}

.kss-click-count {
    background: #f7f9fc;
    border: 1px solid #dfe6ef;
    border-radius: 8px;
    padding: 8px 10px;
    white-space: nowrap;
}

.kss-link-row {
    display: grid;
    gap: 8px;
    grid-template-columns: minmax(0, 1fr) auto auto;
    margin-top: 14px;
}

.kss-book-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 12px;
}

.kss-book-meta span {
    background: #f4f6fa;
    border: 1px solid #dfe6ef;
    border-radius: 999px;
    color: #536176;
    font-size: 12px;
    font-weight: 800;
    padding: 6px 9px;
}

.kss-book-side {
    display: grid;
    gap: 10px;
    justify-items: center;
}

.kss-qr {
    border: 1px solid #dfe6ef;
    border-radius: 8px;
    height: 150px;
    width: 150px;
}

.kss-danger-link {
    background: transparent;
    border: 0;
    color: #b42318;
    cursor: pointer;
    font-weight: 800;
}

.kss-small-link {
    color: #2363d1;
    font-size: 13px;
    font-weight: 800;
    text-decoration: none;
}

.kss-steps {
    color: #5b6678;
    line-height: 1.7;
    margin: 0;
    padding-left: 20px;
}

.kss-admin-grid {
    display: grid;
    gap: 16px;
    grid-template-columns: minmax(0, 1fr);
    max-width: 940px;
}

.kss-admin-card {
    background: #fff;
    border: 1px solid #dcdcde;
    padding: 20px;
}

.kss-admin-stats {
    display: grid;
    gap: 12px;
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.kss-admin-stats div {
    background: #f6f7f7;
    border: 1px solid #dcdcde;
    padding: 14px;
}

.kss-admin-stats span {
    color: #646970;
    display: block;
    font-size: 12px;
    font-weight: 700;
    margin-bottom: 6px;
    text-transform: uppercase;
}

.kss-admin-stats strong {
    color: #1d2327;
    display: block;
    font-size: 24px;
}

.kss-admin-store-grid {
    display: grid;
    gap: 10px;
    grid-template-columns: repeat(3, minmax(180px, 1fr));
    max-width: 860px;
}

.kss-admin-store-grid .kss-store-toggle {
    background: #fff;
    border: 1px solid #dfe7f1;
    border-radius: 8px;
    padding: 10px;
}

.kss-live-checks,
.kss-admin-plan-grid {
    display: grid;
    gap: 12px;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.kss-live-checks div,
.kss-admin-plan {
    background: #f7f9fc;
    border: 1px solid #dfe7f1;
    border-radius: 8px;
    padding: 12px;
}

.kss-live-checks span,
.kss-live-checks strong {
    display: block;
}

.kss-live-checks span {
    color: #69778a;
    font-size: 12px;
    font-weight: 800;
    text-transform: uppercase;
}

.kss-live-checks strong {
    color: #172033;
    font-size: 16px;
    margin-top: 4px;
}

.kss-admin-plan {
    display: grid;
    gap: 10px;
}

.kss-admin-plan label {
    align-items: center;
    display: inline-flex;
    font-weight: 800;
    gap: 8px;
}

.kss-admin-plan > input,
.kss-admin-plan div {
    width: 100%;
}

.kss-admin-plan div {
    display: grid;
    gap: 8px;
    grid-template-columns: minmax(100px, 1fr) 72px;
}

.kss-admin-plan input[type="text"],
.kss-admin-plan input[type="number"] {
    max-width: 100%;
}

@media (max-width: 900px) {
    .kss-hero,
    .kss-pricing,
    .kss-layout,
    .kss-auth-grid {
        grid-template-columns: 1fr;
    }

    .kss-preview-grid,
    .kss-price-cards {
        grid-template-columns: 1fr;
    }

    .kss-hero-copy {
        padding: 30px;
    }

    .kss-hero h1,
    .kss-dashboard h1,
    .kss-auth h1 {
        font-size: 34px;
    }

    .kss-book-card {
        grid-template-columns: 64px minmax(0, 1fr);
    }

    .kss-book-side {
        grid-column: 1 / -1;
        justify-items: start;
    }

    .kss-admin-stats {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .kss-admin-store-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 620px) {
    .kss-wrap {
        padding: 20px 12px;
    }

    .kss-dashboard-head,
    .kss-book-title-row,
    .kss-panel-title {
        align-items: flex-start;
        flex-direction: column;
    }

    .kss-link-row {
        grid-template-columns: 1fr;
    }

    .kss-cover-control {
        grid-template-columns: 1fr;
    }

    .kss-store-edit-row {
        grid-template-columns: 1fr;
    }

    .kss-dashboard-actions,
    .kss-dashboard-actions .kss-button {
        justify-content: stretch;
        width: 100%;
    }

    .kss-admin-stats {
        grid-template-columns: 1fr;
    }

    .kss-admin-store-grid {
        grid-template-columns: 1fr;
    }
}