:root {
    --pt-bg: #0c0f14;
    --pt-surface: #171c24;
    --pt-surface-2: #222a35;
    --pt-border: rgba(123, 139, 162, 0.35);
    --pt-footer-bg: #0b111a;
    --pt-footer-border: rgba(95, 118, 149, 0.65);
    --pt-footer-shadow: 0 -6px 18px rgba(0, 0, 0, 0.38);
    --pt-text: #edf3ff;
    --pt-muted: #9fa9ba;
    --pt-accent: #f5dc18;
    --pt-accent-ink: #292100;
}

:root[data-theme='light'] {
    --pt-bg: #e7edf4;
    --pt-surface: #f1f4f8;
    --pt-surface-2: #e8edf4;
    --pt-border: rgba(125, 143, 164, 0.32);
    --pt-footer-bg: #c0cfdf;
    --pt-footer-border: rgba(106, 130, 160, 0.75);
    --pt-footer-shadow: 0 -4px 12px rgba(22, 34, 52, 0.14);
    --pt-text: #121a27;
    --pt-muted: #3a4658;
    --pt-accent: #f3d700;
    --pt-accent-ink: #292100;
}

html, body {
    background: radial-gradient(circle at 10% 2%, #212936, var(--pt-bg) 45%);
    color: var(--pt-text);
    font-family: "Segoe UI", "Inter", sans-serif;
}

:root[data-theme='light'] html,
:root[data-theme='light'] body {
    background: #e7edf4;
}

.home-shell {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0.5rem;
}

.prefs-switcher {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    margin-bottom: 0.7rem;
    background: var(--pt-surface);
    border: 1px solid var(--pt-border);
    border-radius: 0.65rem;
    padding: 0.35rem 0.5rem;
}

.prefs-label {
    font-size: 0.75rem;
    color: var(--pt-muted);
}

.prefs-select,
.prefs-theme-btn,
.top-bar-select,
.market-toggle,
.hub-btn,
.pt-btn {
    border: 1px solid var(--pt-border);
    border-radius: 0.5rem;
    background: var(--pt-surface-2);
    color: var(--pt-text);
}

.top-bar {
    display: block;
    margin-bottom: 0.75rem;
}

.top-bar-left,
.top-bar-center,
.top-bar-right {
    background: var(--pt-surface);
    border: 1px solid color-mix(in srgb, var(--pt-border) 55%, transparent 45%);
    border-radius: 0.75rem;
    padding: 0.55rem 0.7rem;
}

.top-bar-label,
.week-label {
    color: var(--pt-muted);
    font-size: 0.85rem;
}

.week-label {
    color: var(--pt-accent);
    font-weight: 700;
}

.top-bar-right {
    display: inline-flex;
    gap: 0.3rem;
}

.icon-toggle-btn {
    width: 2rem;
    height: 2rem;
    border: 1px solid var(--pt-border);
    border-radius: 0.5rem;
    background: var(--pt-surface-2);
    color: var(--pt-text);
    display: inline-grid;
    place-items: center;
    padding: 0;
}

.icon-toggle-btn svg {
    width: 1rem;
    height: 1rem;
    stroke: var(--pt-accent);
    stroke-width: 1.7;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.lang-flag {
    font-size: 1rem;
    line-height: 1;
}

.coupon-nav {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    flex-wrap: wrap;
}

.coupon-nav-btn {
    border: 1px solid var(--pt-border);
    border-radius: 999px;
    background: var(--pt-surface-2);
    color: var(--pt-text);
    width: 2rem;
    height: 2rem;
    font-size: 1.05rem;
    line-height: 1;
    font-weight: 700;
}

.coupon-nav-btn:disabled {
    opacity: 0.45;
}

.coupon-current {
    min-width: 7rem;
    text-align: center;
    font-weight: 700;
}

.market-toggle.active,
.pt-btn-primary {
    background: var(--pt-accent);
    color: var(--pt-accent-ink);
    border-color: #d9c000;
    font-weight: 700;
}

.single-market-toggle {
    min-width: 7rem;
}

.summary-strip {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.7rem;
    margin-bottom: 0.65rem;
    flex-wrap: wrap;
}

.summary-actions {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

.save-icon-btn {
    width: 2.2rem;
    height: 2.2rem;
    display: inline-grid;
    place-items: center;
    border: 1px solid var(--pt-border);
    border-radius: 0.5rem;
    background: var(--pt-surface-2);
    color: var(--pt-text);
}

.save-icon-btn svg {
    width: 1.2rem;
    height: 1.2rem;
    stroke: var(--pt-accent);
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.danger-icon-btn svg {
    stroke: #ff7d86;
}

.display-toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    margin-bottom: 0.65rem;
    background: var(--pt-surface);
    border: 1px solid color-mix(in srgb, var(--pt-border) 55%, transparent 45%);
    border-radius: 0.75rem;
    padding: 0.35rem 0.45rem;
}

.target-toggle {
    display: grid;
    gap: 0.2rem;
    margin-bottom: 0.65rem;
}

.display-btn {
    border: 1px solid var(--pt-border);
    border-radius: 0.45rem;
    background: var(--pt-surface-2);
    color: var(--pt-text);
    min-height: 2rem;
    padding: 0.2rem 0.55rem;
    font-size: 0.82rem;
}

.display-btn.active {
    background: var(--pt-accent);
    color: var(--pt-accent-ink);
    border-color: #d9c000;
    font-weight: 700;
}

.rows-headline {
    font-weight: 700;
    color: var(--pt-accent);
}

.row-count-badge {
    background: var(--pt-accent);
    color: var(--pt-accent-ink);
    border-radius: 999px;
    padding: 0.35rem 0.8rem;
    font-weight: 700;
    display: inline-flex;
    gap: 0.45rem;
}

.layout-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 340px;
    gap: 0.9rem;
    align-items: start;
}

.board,
.optimizer-panel {
    background: var(--pt-surface);
    border: 1px solid color-mix(in srgb, var(--pt-border) 50%, transparent 50%);
    border-radius: 0.85rem;
    padding: 0.65rem;
}

.board-head,
.match-row {
    display: grid;
    grid-template-columns: minmax(260px, 1fr) repeat(3, 44px) 120px;
    gap: 0.45rem;
    align-items: center;
}

.board-head {
    font-weight: 700;
    color: var(--pt-muted);
    font-size: 0.82rem;
    margin-bottom: 0.45rem;
}

.hub-head {
    text-align: center;
    color: var(--pt-accent);
}

.match-row {
    padding: 0.4rem 0.2rem;
    border-top: 1px solid color-mix(in srgb, var(--pt-border) 45%, transparent 55%);
}

.match-row:first-of-type {
    border-top: 0;
}

.match-line {
    font-weight: 600;
    font-size: 0.92rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.anchor-label {
    color: var(--pt-muted);
    font-size: 0.78rem;
}

.anchor-help {
    margin: 0 0 0.45rem;
    color: var(--pt-muted);
    font-size: 0.75rem;
}

.result-cell {
    color: var(--pt-text);
    font-weight: 700;
    text-align: center;
    border-radius: 0.45rem;
    background: color-mix(in srgb, var(--pt-surface-2) 74%, transparent 26%);
}

.hub-btn {
    min-height: 2.1rem;
    font-weight: 700;
    position: relative;
    user-select: none;
    -webkit-user-select: none;
    -webkit-touch-callout: none;
}

.hub-btn.selected {
    box-shadow: inset 0 0 0 2px var(--pt-accent);
}

.hub-btn.anchored {
    background: color-mix(in srgb, var(--pt-accent) 20%, var(--pt-surface-2));
}

.anchor-mark {
    position: absolute;
    top: 0.12rem;
    right: 0.15rem;
    font-size: 0.55rem;
    line-height: 1;
    font-weight: 800;
    border: 1px solid color-mix(in srgb, var(--pt-accent) 80%, #000 20%);
    color: var(--pt-accent-ink);
    background: var(--pt-accent);
    border-radius: 999px;
    padding: 0.1rem 0.2rem;
}

.hub-btn.result-hit {
    background: #1f5d34;
    border-color: #2f9e58;
    color: #d6ffd8;
}

.hub-btn.result-miss {
    background: #742f36;
    border-color: #bf5965;
    color: #ffe5e8;
}

.overlay-val {
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    font-size: 0.9rem;
    font-weight: 800;
    color: color-mix(in srgb, var(--pt-text) 92%, var(--pt-accent) 8%);
    pointer-events: none;
    line-height: 1;
}

.anchor-cell-btn {
    min-height: 2.1rem;
    border: 1px solid color-mix(in srgb, var(--pt-border) 58%, transparent 42%);
    border-radius: 0.5rem;
    background: color-mix(in srgb, var(--pt-surface-2) 84%, transparent 16%);
    color: var(--pt-text);
    font-weight: 700;
    user-select: none;
    -webkit-user-select: none;
    -webkit-touch-callout: none;
}

.optimizer-panel h3 {
    margin: 0 0 0.6rem;
}

.optimizer-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.6rem;
}

.optimizer-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.45rem;
}

.slider-grid {
    grid-template-columns: 1fr;
}

.slider-row {
    display: grid;
    grid-template-columns: minmax(180px, auto) minmax(0, 1fr);
    align-items: center;
    column-gap: 0.6rem;
    row-gap: 0.2rem;
}

.slider-row label {
    display: flex;
    justify-content: space-between;
    align-items: center;
    grid-column: 1;
    min-width: 0;
}

.slider-row .dual-range,
.slider-row .single-range {
    grid-column: 2;
}

.slider-row .option-tip {
    grid-column: 1 / -1;
}

.label-with-info {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
}

.info-icon-btn {
    width: 1rem;
    height: 1rem;
    border: 1px solid var(--pt-border);
    border-radius: 50%;
    background: var(--pt-surface-2);
    color: var(--pt-muted);
    font-size: 0.65rem;
    line-height: 1;
    padding: 0;
    display: inline-grid;
    place-items: center;
    font-weight: 700;
}

.option-tip {
    margin: 0.1rem 0 0;
    color: var(--pt-muted);
    font-size: 0.74rem;
}

.dual-range {
    position: relative;
    height: 1.8rem;
    display: flex;
    align-items: center;
    --range-min: 0%;
    --range-max: 100%;
    --thumb-size: 1rem;
}

.dual-range-track {
    position: absolute;
    left: calc(var(--thumb-size) / 2);
    right: calc(var(--thumb-size) / 2);
    height: 0.4rem;
    border-radius: 999px;
    background: linear-gradient(
        to right,
        var(--pt-border) 0%,
        var(--pt-border) var(--range-min),
        var(--pt-accent) var(--range-min),
        var(--pt-accent) var(--range-max),
        var(--pt-border) var(--range-max),
        var(--pt-border) 100%
    );
}

.dual-range input[type="range"] {
    position: absolute;
    left: calc(var(--thumb-size) / 2);
    top: 0;
    width: calc(100% - var(--thumb-size));
    height: 1.8rem;
    margin: 0;
    background: transparent;
    border: 0;
    outline: 0;
    pointer-events: none;
    appearance: none;
    -webkit-appearance: none;
}

.dual-range input[type="range"]::-webkit-slider-runnable-track {
    height: 0.4rem;
    background: transparent;
}

.dual-range input[type="range"]::-moz-range-track {
    height: 0.4rem;
    background: transparent;
}

.dual-range input[type="range"]::-webkit-slider-thumb {
    pointer-events: auto;
    appearance: none;
    width: 1rem;
    height: 1rem;
    border-radius: 50%;
    border: 2px solid var(--pt-accent);
    background: var(--pt-surface);
    margin-top: -0.3rem;
}

.dual-range input[type="range"]::-moz-range-thumb {
    pointer-events: auto;
    width: 1rem;
    height: 1rem;
    border-radius: 50%;
    border: 2px solid var(--pt-accent);
    background: var(--pt-surface);
}

.dual-range .range-min {
    z-index: 2;
}

.dual-range .range-max {
    z-index: 3;
}

.single-range {
    position: relative;
    height: 1.8rem;
    display: flex;
    align-items: center;
    --single-pos: 100%;
    --thumb-size: 1rem;
}

.single-range-track {
    position: absolute;
    left: calc(var(--thumb-size) / 2);
    right: calc(var(--thumb-size) / 2);
    height: 0.4rem;
    border-radius: 999px;
    background: linear-gradient(
        to right,
        var(--pt-accent) 0%,
        var(--pt-accent) var(--single-pos),
        var(--pt-border) var(--single-pos),
        var(--pt-border) 100%
    );
}

.single-range input[type="range"] {
    position: absolute;
    left: calc(var(--thumb-size) / 2);
    top: 0;
    width: calc(100% - var(--thumb-size));
    height: 1.8rem;
    margin: 0;
    background: transparent;
    border: 0;
    outline: 0;
    appearance: none;
    -webkit-appearance: none;
}

.single-range input[type="range"]::-webkit-slider-runnable-track {
    height: 0.4rem;
    background: transparent;
}

.single-range input[type="range"]::-moz-range-track {
    height: 0.4rem;
    background: transparent;
}

.single-range input[type="range"]::-webkit-slider-thumb {
    appearance: none;
    width: 1rem;
    height: 1rem;
    border-radius: 50%;
    border: 2px solid var(--pt-accent);
    background: var(--pt-surface);
    margin-top: -0.3rem;
}

.single-range input[type="range"]::-moz-range-thumb {
    width: 1rem;
    height: 1rem;
    border-radius: 50%;
    border: 2px solid var(--pt-accent);
    background: var(--pt-surface);
}

.slider-row.full-width {
    grid-column: 1 / -1;
}

.optimizer-grid label {
    font-size: 0.8rem;
    color: var(--pt-muted);
    display: grid;
    gap: 0.2rem;
}

.line-list {
    margin: 0.4rem 0 0;
    max-height: 380px;
    overflow: auto;
    padding-left: 1.2rem;
    padding-bottom: 4.5rem;
}

.load-error {
    color: #ffb08c;
}

.pt-btn {
    padding: 0.45rem 0.8rem;
}

.pt-btn-ghost {
    background: var(--pt-surface-2);
}

.flow-link {
    color: var(--pt-accent);
}

.sticky-footer {
    position: sticky;
    bottom: 0;
    z-index: 10;
    margin-top: 0.8rem;
    background: var(--pt-footer-bg);
    border: 1px solid var(--pt-footer-border);
    border-radius: 0.85rem;
    padding: 0.55rem 0.7rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.7rem;
    box-shadow: var(--pt-footer-shadow);
}

.sticky-total {
    font-weight: 700;
    color: var(--pt-accent);
}

:root[data-theme='light'] .sticky-footer {
    background: #aabdd2;
    border-color: #7f98b7;
}

:root[data-theme='light'] .sticky-total {
    color: #132338;
}

:root[data-theme='light'] .sticky-footer .pt-btn-ghost {
    background: #eef3f9;
    border-color: #8ea7c4;
    color: #132338;
    font-weight: 700;
}

.lock-state {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    margin: 0 0 0.6rem;
}

.lock-notice {
    margin: 0 0 0.5rem;
    color: var(--pt-muted);
    font-size: 0.82rem;
}

.modified-flag {
    color: var(--pt-accent);
    font-size: 0.8rem;
    font-weight: 700;
}

.systems-panel {
    background: var(--pt-surface);
    border: 1px solid color-mix(in srgb, var(--pt-border) 55%, transparent 45%);
    border-radius: 0.85rem;
    padding: 0.8rem;
}

.system-item {
    border: 1px solid var(--pt-border);
    border-radius: 0.65rem;
    padding: 0.6rem;
    margin-bottom: 0.55rem;
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 0.5rem;
    background: var(--pt-surface-2);
}

.system-main {
    min-width: 0;
}

.system-name {
    font-weight: 700;
}

.system-subtitle {
    color: var(--pt-muted);
    font-size: 0.8rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.system-linecount {
    align-self: start;
    background: var(--pt-accent);
    color: var(--pt-accent-ink);
    border-radius: 999px;
    padding: 0.2rem 0.6rem;
    font-size: 0.75rem;
    font-weight: 700;
}

.system-actions {
    grid-column: 1 / -1;
    display: inline-flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.anchor-btn {
    border: 1px solid var(--pt-border);
    border-radius: 0.45rem;
    background: var(--pt-surface);
    color: var(--pt-text);
    min-height: 2rem;
    padding: 0.2rem 0.55rem;
    font-size: 0.82rem;
}

.dialog-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(8, 11, 16, 0.66);
    display: grid;
    place-items: center;
    z-index: 50;
}

.dialog-card {
    width: min(460px, calc(100vw - 1rem));
    background: var(--pt-surface);
    border: 1px solid color-mix(in srgb, var(--pt-border) 56%, transparent 44%);
    border-radius: 0.85rem;
    padding: 0.8rem;
    display: grid;
    gap: 0.5rem;
}

.dialog-card-wide {
    width: min(980px, calc(100vw - 1rem));
    max-height: calc(100vh - 1rem);
    overflow: auto;
}

.systems-modal-list {
    max-height: min(56vh, 620px);
    overflow: auto;
    padding-right: 0.2rem;
}

.debug-match-list {
    margin: 0;
    padding-left: 1rem;
}

.debug-log-box {
    margin: 0;
    max-height: min(52vh, 520px);
    overflow: auto;
    white-space: pre-wrap;
    background: var(--pt-surface-2);
    border: 1px solid color-mix(in srgb, var(--pt-border) 56%, transparent 44%);
    border-radius: 0.6rem;
    padding: 0.55rem;
    font-size: 0.78rem;
}

.board,
.board * {
    user-select: none;
    -webkit-user-select: none;
    -webkit-touch-callout: none;
}

.dialog-actions {
    display: inline-flex;
    justify-content: flex-end;
    gap: 0.45rem;
    margin-top: 0.3rem;
}

@media (max-width: 1060px) {
    .layout-grid {
        grid-template-columns: 1fr;
    }

    .sticky-footer {
        bottom: 0.35rem;
    }

    .summary-actions {
        width: 100%;
        justify-content: flex-start;
    }
}

@media (max-width: 760px) {
    .home-shell {
        padding: 0.35rem;
    }

    .top-bar {
        display: block;
    }

    .top-bar-right {
        justify-content: flex-start;
    }

    .coupon-current {
        min-width: 0;
        flex: 1;
    }

    .single-market-toggle {
        min-width: 0;
        width: auto;
    }

    .summary-strip {
        align-items: stretch;
        gap: 0.45rem;
    }

    .summary-strip > * {
        width: 100%;
    }

    .summary-actions {
        justify-content: flex-end;
    }

    .display-toggle,
    .target-toggle {
        width: 100%;
    }

    .slider-row {
        grid-template-columns: 1fr;
        row-gap: 0.25rem;
    }

    .slider-row label,
    .slider-row .dual-range,
    .slider-row .single-range,
    .slider-row .option-tip {
        grid-column: 1;
    }

    .board,
    .optimizer-panel {
        padding: 0.45rem;
    }

    .board-head,
    .match-row {
        grid-template-columns: minmax(0, 1fr) repeat(3, 2rem) 2.25rem;
        gap: 0.2rem;
    }

    .match-line {
        font-size: 0.78rem;
    }

    .anchor-label {
        font-size: 0.74rem;
        text-align: center;
        font-weight: 700;
    }

    .result-cell {
        font-size: 0.72rem;
    }

    .hub-btn {
        min-height: 1.9rem;
        padding: 0;
        font-size: 0.74rem;
    }

    .overlay-val {
        font-size: 0.78rem;
    }
}