.distance-calculator-page {
    --distance-bg: #07111f;
    --distance-panel: rgba(10, 20, 35, 0.88);
    --distance-border: rgba(148, 163, 184, 0.18);
    --distance-muted: #93a7bc;
    --distance-text: #f8fafc;
    --distance-emerald: #34d399;
    --distance-sky: #38bdf8;
    max-width: 1320px;
    margin: 0 auto;
    padding: 40px 18px 76px;
    color: var(--distance-text);
}

.distance-calculator-page *,
.distance-calculator-page *::before,
.distance-calculator-page *::after {
    box-sizing: border-box;
}

.distance-hero,
.distance-input-panel,
.distance-result-panel,
.distance-dimension-panel,
.distance-basis {
    border: 1px solid var(--distance-border);
    background: var(--distance-panel);
    box-shadow: 0 24px 70px rgba(0, 0, 0, 0.24);
}

.distance-hero {
    position: relative;
    min-height: 310px;
    display: flex;
    align-items: center;
    overflow: hidden;
    border-radius: 12px;
    padding: 46px 52px;
    background:
        linear-gradient(115deg, rgba(4, 17, 31, 0.98), rgba(8, 30, 48, 0.93)),
        radial-gradient(circle at 20% 20%, rgba(52, 211, 153, 0.2), transparent 38%);
}

.distance-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        linear-gradient(rgba(125, 211, 252, 0.045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(125, 211, 252, 0.045) 1px, transparent 1px);
    background-size: 24px 24px;
    mask-image: linear-gradient(90deg, #000, transparent 72%);
    pointer-events: none;
}

.distance-hero__glow {
    position: absolute;
    width: 280px;
    height: 280px;
    border-radius: 999px;
    filter: blur(70px);
    opacity: 0.24;
    pointer-events: none;
}

.distance-hero__glow--left {
    left: -100px;
    top: -130px;
    background: #10b981;
}

.distance-hero__glow--right {
    right: 40px;
    bottom: -180px;
    background: #0ea5e9;
}

.distance-hero__content {
    position: relative;
    z-index: 2;
    max-width: 780px;
}

.distance-kicker,
.distance-section-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #92f7d3;
    font-size: 12px;
    font-weight: 900;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.distance-kicker {
    min-height: 34px;
    border: 1px solid rgba(52, 211, 153, 0.28);
    border-radius: 7px;
    padding: 7px 12px;
    background: rgba(16, 185, 129, 0.09);
}

.distance-hero h1 {
    margin: 22px 0 0;
    color: #fff;
    font-size: clamp(36px, 6vw, 64px);
    font-weight: 950;
    line-height: 1.04;
    letter-spacing: -0.035em;
}

.distance-hero p {
    max-width: 720px;
    margin: 20px 0 0;
    color: #bfd0df;
    font-size: 17px;
    line-height: 1.78;
}

.distance-hero__facts {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 28px;
}

.distance-hero__facts span {
    min-height: 36px;
    display: inline-flex;
    align-items: center;
    gap: 7px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 7px;
    padding: 7px 11px;
    background: rgba(255, 255, 255, 0.055);
    color: #9fb3c7;
    font-size: 13px;
}

.distance-hero__facts strong {
    color: #fff;
    font-size: 15px;
}

.distance-hero__image {
    position: absolute;
    z-index: 1;
    right: 58px;
    width: min(22vw, 210px);
    height: auto;
    image-rendering: pixelated;
    opacity: 0.82;
    filter: drop-shadow(0 32px 36px rgba(0, 0, 0, 0.48));
    transform: rotate(8deg);
}

.distance-workspace {
    display: grid;
    grid-template-columns: minmax(0, 1.35fr) minmax(340px, 0.65fr);
    gap: 18px;
    align-items: start;
    margin-top: 18px;
}

.distance-input-panel,
.distance-result-panel,
.distance-dimension-panel,
.distance-basis {
    border-radius: 12px;
}

.distance-input-panel,
.distance-result-panel {
    padding: 26px;
}

.distance-result-panel {
    position: sticky;
    top: 86px;
}

.distance-panel-heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.distance-panel-heading h2,
.distance-dimension-panel h2,
.distance-basis h2 {
    margin: 6px 0 0;
    color: #fff;
    font-size: 24px;
    font-weight: 900;
}

.distance-actions {
    display: flex;
    gap: 8px;
}

.distance-icon-button,
.distance-copy-button {
    border: 1px solid var(--distance-border);
    background: rgba(255, 255, 255, 0.055);
    color: #cfe0f0;
    cursor: pointer;
    transition: transform 0.18s ease, border-color 0.18s ease, background 0.18s ease, color 0.18s ease;
}

.distance-icon-button {
    width: 42px;
    height: 42px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
}

.distance-icon-button:hover,
.distance-copy-button:hover {
    transform: translateY(-2px);
    border-color: rgba(56, 189, 248, 0.45);
    background: rgba(56, 189, 248, 0.1);
    color: #fff;
}

.distance-mode-switch {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
    margin-top: 22px;
    border-radius: 10px;
    padding: 5px;
    background: rgba(2, 6, 23, 0.5);
}

.distance-mode-switch button {
    min-height: 54px;
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 9px;
    align-items: center;
    border: 1px solid transparent;
    border-radius: 8px;
    padding: 9px 12px;
    background: transparent;
    color: #9eb0c2;
    text-align: left;
    cursor: pointer;
}

.distance-mode-switch button.is-active {
    border-color: rgba(52, 211, 153, 0.32);
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.18), rgba(14, 165, 233, 0.12));
    color: #fff;
    box-shadow: 0 10px 28px rgba(2, 6, 23, 0.28);
}

.distance-mode-switch button span {
    font-size: 14px;
    font-weight: 900;
}

.distance-mode-switch button small {
    color: #7690a8;
    font-size: 11px;
}

.distance-point-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
    margin-top: 16px;
}

.distance-point-card {
    min-width: 0;
    border: 1px solid rgba(148, 163, 184, 0.16);
    border-radius: 10px;
    padding: 18px;
    background: rgba(2, 6, 23, 0.32);
}

.distance-point-card--emerald {
    box-shadow: inset 0 1px 0 rgba(52, 211, 153, 0.12);
}

.distance-point-card--sky {
    box-shadow: inset 0 1px 0 rgba(56, 189, 248, 0.12);
}

.distance-point-card legend {
    display: flex;
    align-items: center;
    gap: 9px;
    padding: 0 7px;
    color: #e8f2fb;
    font-size: 15px;
    font-weight: 900;
}

.distance-point-card__marker {
    width: 26px;
    height: 26px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 7px;
    background: rgba(52, 211, 153, 0.16);
    color: #7ff3ca;
    font-size: 12px;
    font-weight: 950;
}

.distance-point-card--sky .distance-point-card__marker,
.distance-dimension-results article:nth-child(2) .distance-point-card__marker {
    background: rgba(56, 189, 248, 0.16);
    color: #8addfb;
}

.distance-paste-field {
    display: block;
    margin-top: 4px;
}

.distance-paste-field > span,
.distance-axis-field > span {
    display: flex;
    align-items: baseline;
    gap: 7px;
    margin-bottom: 7px;
    color: #8297aa;
    font-size: 11px;
    font-weight: 800;
}

.distance-paste-field input,
.distance-axis-field input {
    width: 100%;
    border: 1px solid rgba(148, 163, 184, 0.18);
    border-radius: 8px;
    background: rgba(7, 15, 28, 0.84);
    color: #fff;
    outline: none;
    transition: border-color 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

.distance-paste-field input {
    min-height: 42px;
    padding: 9px 11px;
    font-size: 13px;
}

.distance-paste-field small {
    display: block;
    margin-top: 6px;
    color: #657c92;
    font-size: 10px;
}

.distance-paste-field input:focus,
.distance-axis-field input:focus {
    border-color: rgba(56, 189, 248, 0.55);
    background: rgba(8, 20, 36, 0.96);
    box-shadow: 0 0 0 4px rgba(14, 165, 233, 0.1);
}

.distance-axis-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
    margin-top: 16px;
}

.distance-axis-field {
    min-width: 0;
}

.distance-axis-field > span {
    justify-content: space-between;
}

.distance-axis-field strong {
    color: #cce0f2;
    font-size: 13px;
}

.distance-axis-field input {
    min-height: 48px;
    padding: 10px;
    font-size: 16px;
    font-weight: 900;
    font-variant-numeric: tabular-nums;
}

.distance-axis-field input[aria-invalid="true"] {
    border-color: rgba(248, 113, 113, 0.7);
    box-shadow: 0 0 0 4px rgba(248, 113, 113, 0.09);
}

.distance-chunk-readout {
    display: flex;
    justify-content: space-between;
    gap: 10px;
    margin-top: 15px;
    border-top: 1px solid rgba(148, 163, 184, 0.12);
    padding-top: 12px;
    color: #70869a;
    font-size: 11px;
}

.distance-chunk-readout strong {
    color: #c9d8e6;
    font-size: 12px;
    font-variant-numeric: tabular-nums;
}

.distance-axis-summary {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 9px;
    margin-top: 14px;
}

.distance-axis-summary div {
    border: 1px solid rgba(148, 163, 184, 0.13);
    border-radius: 8px;
    padding: 12px;
    background: rgba(255, 255, 255, 0.035);
}

.distance-axis-summary span {
    display: block;
    color: #71869a;
    font-size: 10px;
    font-weight: 800;
}

.distance-axis-summary strong {
    display: block;
    margin-top: 6px;
    overflow: hidden;
    color: #e7f2fb;
    font-size: 15px;
    font-variant-numeric: tabular-nums;
    text-overflow: ellipsis;
}

.distance-copy-button {
    min-height: 38px;
    display: inline-flex;
    align-items: center;
    gap: 7px;
    border-radius: 8px;
    padding: 8px 11px;
    font-size: 12px;
    font-weight: 900;
}

.distance-primary-result {
    position: relative;
    overflow: hidden;
    margin-top: 22px;
    border: 1px solid rgba(52, 211, 153, 0.26);
    border-radius: 10px;
    padding: 24px;
    background:
        radial-gradient(circle at 90% 5%, rgba(56, 189, 248, 0.18), transparent 35%),
        linear-gradient(145deg, rgba(16, 185, 129, 0.14), rgba(4, 15, 28, 0.64));
}

.distance-primary-result > span,
.distance-result-grid span,
.distance-route-card span,
.distance-chunk-summary span {
    display: block;
    color: #8fa4b8;
    font-size: 11px;
    font-weight: 800;
}

.distance-primary-result > strong {
    display: block;
    margin-top: 10px;
    color: #fff;
    font-size: clamp(34px, 5vw, 52px);
    font-weight: 950;
    letter-spacing: -0.035em;
    line-height: 1;
    font-variant-numeric: tabular-nums;
    overflow-wrap: anywhere;
}

.distance-primary-result small,
.distance-result-grid small {
    display: block;
    margin-top: 12px;
    color: #668098;
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 10px;
}

.distance-result-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 9px;
    margin-top: 9px;
}

.distance-result-grid article,
.distance-chunk-summary {
    border: 1px solid rgba(148, 163, 184, 0.13);
    border-radius: 9px;
    background: rgba(255, 255, 255, 0.035);
}

.distance-result-grid article {
    padding: 15px;
}

.distance-result-grid strong {
    display: block;
    margin-top: 8px;
    color: #f4f8fb;
    font-size: 22px;
    font-weight: 950;
    font-variant-numeric: tabular-nums;
    overflow-wrap: anywhere;
}

.distance-route-card {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 13px;
    align-items: center;
    margin-top: 9px;
    border: 1px solid rgba(56, 189, 248, 0.17);
    border-radius: 9px;
    padding: 14px;
    background: rgba(14, 165, 233, 0.055);
}

.distance-route-card__icon {
    width: 38px;
    height: 38px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    background: rgba(56, 189, 248, 0.12);
    color: #7dd3fc;
}

.distance-route-card strong {
    display: block;
    margin-top: 5px;
    color: #dcebf7;
    font-size: 13px;
    line-height: 1.6;
}

.distance-chunk-summary {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1px;
    margin-top: 9px;
    overflow: hidden;
}

.distance-chunk-summary div {
    padding: 14px;
    background: rgba(4, 12, 24, 0.42);
}

.distance-chunk-summary strong {
    display: block;
    margin-top: 7px;
    color: #ddeaf5;
    font-size: 13px;
    font-variant-numeric: tabular-nums;
}

.distance-dimension-panel {
    display: grid;
    grid-template-columns: minmax(260px, 0.42fr) minmax(0, 1fr);
    gap: 24px;
    align-items: center;
    margin-top: 18px;
    padding: 26px;
}

.distance-dimension-panel__intro p {
    margin: 10px 0 0;
    color: var(--distance-muted);
    font-size: 13px;
    line-height: 1.7;
}

.distance-dimension-switch {
    display: inline-flex;
    gap: 5px;
    margin-top: 16px;
    border-radius: 8px;
    padding: 4px;
    background: rgba(2, 6, 23, 0.48);
}

.distance-dimension-switch button {
    min-height: 36px;
    border: 1px solid transparent;
    border-radius: 6px;
    padding: 7px 10px;
    background: transparent;
    color: #8196aa;
    font-size: 11px;
    font-weight: 900;
    cursor: pointer;
}

.distance-dimension-switch button.is-active {
    border-color: rgba(56, 189, 248, 0.28);
    background: rgba(56, 189, 248, 0.11);
    color: #dff5ff;
}

.distance-dimension-results {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
}

.distance-dimension-results article {
    min-width: 0;
    border: 1px solid rgba(148, 163, 184, 0.14);
    border-radius: 9px;
    padding: 15px;
    background: rgba(2, 6, 23, 0.34);
}

.distance-dimension-results article > div {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #bcd0e2;
    font-size: 12px;
}

.distance-dimension-results p {
    margin: 14px 0 0;
    color: #fff;
    font-size: 15px;
    font-weight: 900;
    line-height: 1.55;
    font-variant-numeric: tabular-nums;
    overflow-wrap: anywhere;
}

.distance-dimension-distance > div {
    color: #8addfb !important;
}

.distance-basis {
    margin-top: 18px;
    padding: 26px;
}

.distance-basis__grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
    margin-top: 18px;
}

.distance-basis__grid a {
    min-width: 0;
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 11px;
    align-items: center;
    border: 1px solid rgba(148, 163, 184, 0.14);
    border-radius: 9px;
    padding: 14px;
    background: rgba(2, 6, 23, 0.34);
    color: #7dd3fc;
    text-decoration: none;
    transition: transform 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

.distance-basis__grid a:hover {
    transform: translateY(-2px);
    border-color: rgba(56, 189, 248, 0.38);
    background: rgba(56, 189, 248, 0.07);
}

.distance-basis__grid strong,
.distance-basis__grid small {
    display: block;
}

.distance-basis__grid strong {
    color: #eaf5fd;
    font-size: 13px;
}

.distance-basis__grid small {
    margin-top: 4px;
    color: #758da3;
    font-size: 11px;
}

.distance-toast {
    position: fixed;
    z-index: 100;
    left: 50%;
    bottom: 28px;
    min-width: 180px;
    transform: translate(-50%, 24px);
    border: 1px solid rgba(52, 211, 153, 0.32);
    border-radius: 8px;
    padding: 11px 16px;
    background: rgba(5, 25, 31, 0.96);
    color: #c9fae8;
    font-size: 12px;
    font-weight: 900;
    text-align: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
    box-shadow: 0 18px 48px rgba(0, 0, 0, 0.36);
}

.distance-toast.is-visible {
    transform: translate(-50%, 0);
    opacity: 1;
}

@media (max-width: 1040px) {
    .distance-workspace {
        grid-template-columns: 1fr;
    }

    .distance-result-panel {
        position: relative;
        top: auto;
    }

    .distance-hero__image {
        right: 32px;
        opacity: 0.36;
    }
}

@media (max-width: 760px) {
    .distance-calculator-page {
        padding: 22px 12px 58px;
    }

    .distance-hero {
        min-height: 0;
        padding: 30px 22px;
    }

    .distance-hero h1 {
        font-size: 38px;
        line-height: 1.08;
    }

    .distance-hero p {
        font-size: 15px;
        line-height: 1.72;
    }

    .distance-hero__image {
        right: -28px;
        bottom: 20px;
        width: 150px;
        opacity: 0.16;
    }

    .distance-input-panel,
    .distance-result-panel,
    .distance-dimension-panel,
    .distance-basis {
        padding: 18px;
    }

    .distance-point-grid,
    .distance-dimension-panel {
        grid-template-columns: 1fr;
    }

    .distance-axis-summary {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .distance-dimension-results,
    .distance-basis__grid {
        grid-template-columns: 1fr;
    }

    .distance-dimension-results {
        gap: 8px;
    }
}

@media (max-width: 460px) {
    .distance-panel-heading {
        align-items: flex-start;
    }

    .distance-mode-switch button {
        grid-template-columns: auto 1fr;
    }

    .distance-mode-switch button small {
        display: none;
    }

    .distance-axis-grid {
        grid-template-columns: 1fr;
    }

    .distance-axis-field {
        display: grid;
        grid-template-columns: 54px 1fr;
        align-items: center;
        gap: 8px;
    }

    .distance-axis-field > span {
        margin: 0;
        justify-content: flex-start;
    }

    .distance-axis-field > span:not(strong) {
        color: #647b90;
    }

    .distance-result-grid,
    .distance-chunk-summary {
        grid-template-columns: 1fr;
    }

    .distance-copy-button span {
        display: none;
    }

    .distance-copy-button {
        width: 40px;
        justify-content: center;
        padding: 0;
    }
}

@media (prefers-reduced-motion: reduce) {
    .distance-calculator-page *,
    .distance-calculator-page *::before,
    .distance-calculator-page *::after {
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
    }
}