:root {
    color-scheme: light;
    --ink: #17212b;
    --muted: #657487;
    --line: rgba(178, 197, 214, 0.84);
    --surface: rgba(255, 255, 255, 0.76);
    --surface-strong: rgba(255, 255, 255, 0.9);
    --surface-soft: rgba(247, 251, 255, 0.72);
    --accent: #ba2e3b;
    --accent-soft: rgba(255, 235, 241, 0.82);
    --blue: #84d8ff;
    --pink: #ffd1e5;
    --peach: #ffe7cf;
    --mint: #d8fbf6;
    --focus: #1677a3;
    --shadow: 0 18px 48px rgba(31, 45, 61, 0.12), 0 0 50px rgba(255, 197, 221, 0.24);
}

* {
    box-sizing: border-box;
}

html {
    min-height: 100%;
}

body {
    margin: 0;
    min-height: 100vh;
    background:
        radial-gradient(circle at 12% 8%, rgba(132, 216, 255, 0.34), transparent 26rem),
        radial-gradient(circle at 86% 9%, rgba(255, 177, 210, 0.42), transparent 25rem),
        radial-gradient(circle at 72% 86%, rgba(255, 231, 207, 0.5), transparent 27rem),
        linear-gradient(rgba(23, 33, 43, 0.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(23, 33, 43, 0.035) 1px, transparent 1px),
        linear-gradient(180deg, #fbfdff 0%, #f5fbff 48%, #fff8fb 100%);
    background-attachment: fixed;
    background-size: auto, auto, auto, 42px 42px, 42px 42px, auto;
    color: var(--ink);
    font-family: "SF Pro Text", Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-size: 16px;
    font-weight: 450;
    line-height: 1.45;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
}

body::before {
    position: fixed;
    inset: 0;
    z-index: -1;
    background:
        linear-gradient(115deg, rgba(255, 255, 255, 0.68), transparent 42%, rgba(255, 255, 255, 0.52)),
        radial-gradient(circle at 50% 0%, rgba(255, 255, 255, 0.8), transparent 18rem);
    content: "";
    pointer-events: none;
}

.page-shell,
.app-header,
main,
footer {
    width: min(1360px, calc(100% - 24px));
    margin: 0 auto;
}

.page-shell {
    display: flex;
    min-height: 100vh;
    flex-direction: column;
}

.app-header {
    position: sticky;
    top: 10px;
    z-index: 10;
    display: grid;
    grid-template-columns: minmax(180px, 0.38fr) minmax(360px, 1fr) auto;
    gap: 16px;
    align-items: center;
    margin-top: 14px;
    border: 1px solid rgba(171, 194, 214, 0.64);
    border-radius: 14px;
    background:
        linear-gradient(110deg, rgba(255, 255, 255, 0.9), rgba(244, 252, 255, 0.78) 40%, rgba(255, 246, 250, 0.86)),
        var(--surface);
    box-shadow: var(--shadow), inset 0 0 0 1px rgba(255, 255, 255, 0.72);
    padding: 12px 14px;
    backdrop-filter: blur(20px) saturate(145%);
}

.app-header::before,
.results-panel::before {
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: linear-gradient(120deg, rgba(87, 188, 235, 0.58), transparent 36%, rgba(229, 111, 162, 0.54));
    content: "";
    opacity: 0.46;
    pointer-events: none;
    mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    mask-composite: exclude;
    padding: 1px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 11px;
    min-width: 0;
    color: inherit;
    text-decoration: none;
}

.brand-mark {
    display: grid;
    width: 42px;
    height: 42px;
    flex: 0 0 auto;
    place-items: center;
    border-radius: 10px;
    background: linear-gradient(135deg, #17212b 0%, #3c4f64 48%, #ba2e6a 100%);
    color: #fff;
    box-shadow: 0 12px 28px rgba(23, 33, 43, 0.18), 0 0 36px rgba(255, 177, 210, 0.42);
    font-size: 25px;
    font-weight: 750;
}

.brand-name {
    overflow: hidden;
    font-size: 23px;
    font-weight: 720;
    letter-spacing: 0;
    line-height: 1;
    text-overflow: ellipsis;
    white-space: nowrap;
}

h1,
h2,
p {
    margin: 0;
}

.meta-group {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 12px;
    min-width: 0;
}

.stats {
    flex: 0 0 auto;
    border: 1px solid rgba(174, 196, 216, 0.9);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.66);
    box-shadow: 0 8px 24px rgba(31, 45, 61, 0.07), inset 0 1px 0 rgba(255, 255, 255, 0.82);
    padding: 8px 13px;
    color: var(--muted);
    font-size: 14px;
    font-variant-numeric: tabular-nums;
    font-weight: 650;
    backdrop-filter: blur(14px);
}

.copy-status {
    min-width: 88px;
    color: var(--accent);
    font-size: 13px;
    font-weight: 680;
    text-align: right;
}

main {
    display: grid;
    flex: 1;
    align-content: start;
    gap: 10px;
    padding: 14px 0 22px;
}

.results-panel {
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(171, 194, 214, 0.68);
    border-radius: 14px;
    background:
        linear-gradient(115deg, rgba(255, 255, 255, 0.9), rgba(246, 253, 255, 0.74) 50%, rgba(255, 247, 251, 0.86)),
        var(--surface);
    box-shadow: var(--shadow), inset 0 0 0 1px rgba(255, 255, 255, 0.68);
    backdrop-filter: blur(20px) saturate(145%);
}

.results-panel[hidden] {
    display: none;
}

.search-form {
    display: grid;
    gap: 0;
    min-width: 0;
}

.search-label {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
}

.search-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 46px;
    gap: 8px;
}

input[type="search"] {
    width: 100%;
    min-height: 42px;
    border: 1px solid rgba(151, 178, 202, 0.98);
    border-radius: 12px;
    background:
        linear-gradient(110deg, rgba(255, 255, 255, 0.92), rgba(248, 253, 255, 0.74) 52%, rgba(255, 249, 252, 0.88));
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.74), 0 0 28px rgba(132, 216, 255, 0.16);
    padding: 0 13px;
    color: var(--ink);
    font: inherit;
    font-size: 18px;
    font-weight: 430;
    line-height: 1.2;
}

input[type="search"]::placeholder {
    color: #98a5b2;
}

input[type="search"]::-webkit-search-cancel-button,
input[type="search"]::-webkit-search-decoration {
    display: none;
    appearance: none;
    -webkit-appearance: none;
}

input[type="search"]:focus-visible,
button:focus-visible {
    outline: 3px solid color-mix(in srgb, var(--focus) 25%, transparent);
    outline-offset: 2px;
}

button {
    min-height: 42px;
    border: 1px solid rgba(151, 178, 202, 0.98);
    border-radius: 12px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(240, 247, 252, 0.86));
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.92);
    color: var(--ink);
    font: inherit;
    cursor: pointer;
}

button:hover {
    border-color: rgba(117, 151, 181, 0.98);
    background: linear-gradient(180deg, #ffffff, rgba(231, 242, 250, 0.94));
}

#clearButton span {
    display: block;
    transform: translateY(-1px);
    font-size: 25px;
    line-height: 1;
}

.results-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    border-bottom: 1px solid var(--line);
    background: linear-gradient(90deg, rgba(255, 255, 255, 0.6), rgba(248, 253, 255, 0.52), rgba(255, 247, 251, 0.58));
    padding: 9px 16px;
}

.results-head h2 {
    font-size: 19px;
    font-weight: 680;
    line-height: 1.15;
}

#resultCount {
    color: var(--muted);
    font-size: 14px;
    font-variant-numeric: tabular-nums;
    font-weight: 640;
    white-space: nowrap;
}

.status-message {
    padding: 32px 16px;
    color: var(--muted);
    text-align: center;
}

.status-message[hidden] {
    display: none;
}

.results-list {
    display: grid;
    gap: 0;
    margin: 0;
    padding: 0;
    list-style: none;
}

.result-item {
    display: grid;
    grid-template-columns: 32px minmax(150px, 0.74fr) minmax(112px, 0.52fr) minmax(310px, 1.42fr) minmax(260px, 1.08fr);
    gap: 12px;
    align-items: center;
    min-height: 44px;
    border-bottom: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.56);
    padding: 7px 16px;
}

.result-item:nth-child(even) {
    background: rgba(248, 252, 255, 0.6);
}

.result-item:hover,
.result-item.is-active {
    background:
        linear-gradient(90deg, rgba(255, 241, 246, 0.94), rgba(240, 251, 255, 0.86)),
        var(--accent-soft);
    box-shadow: inset 0 1px 0 rgba(151, 178, 202, 0.3), inset 0 -1px 0 rgba(151, 178, 202, 0.3);
}

.result-item.is-active {
    box-shadow: inset 3px 0 0 var(--accent), inset 0 1px 0 rgba(151, 178, 202, 0.34), inset 0 -1px 0 rgba(151, 178, 202, 0.34);
}

.result-item:last-child {
    border-bottom: 0;
}

.result-cell {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 0;
    align-items: center;
    min-width: 0;
    overflow-wrap: anywhere;
    line-height: 1.32;
}

.cell-value {
    min-width: 0;
}

.japanese {
    color: var(--ink);
    font-family: "Hiragino Sans", "Yu Gothic", "SF Pro Text", system-ui, sans-serif;
    font-size: 16px;
    font-weight: 620;
    line-height: 1.25;
}

.reading {
    color: var(--accent);
    font-size: 14px;
    font-weight: 620;
    line-height: 1.25;
}

.polish,
.english {
    font-size: 16px;
    font-weight: 460;
}

.english {
    color: #3f4b57;
    font-size: 15px;
    font-weight: 430;
}

.copy-button {
    position: absolute;
    top: 50%;
    right: -6px;
    display: grid;
    width: 26px;
    min-height: 26px;
    place-items: center;
    border-color: transparent;
    background: rgba(255, 255, 255, 0.88);
    box-shadow: none;
    color: var(--muted);
    font-size: 14px;
    opacity: 0;
    transform: translateY(-50%) scale(0.96);
    transition: opacity 140ms ease, transform 140ms ease, border-color 140ms ease, color 140ms ease;
}

.result-item:hover .copy-button,
.result-item:focus-within .copy-button,
.result-item.is-active .copy-button,
.copy-button:focus-visible {
    opacity: 1;
    transform: translateY(-50%) scale(1);
}

.copy-button:hover {
    border-color: rgba(151, 178, 202, 0.98);
    background: rgba(255, 255, 255, 0.78);
    color: var(--accent);
}

.favorite-button {
    display: grid;
    width: 28px;
    min-height: 28px;
    place-items: center;
    border-color: transparent;
    background: rgba(255, 255, 255, 0.48);
    box-shadow: none;
    color: var(--muted);
    font-size: 18px;
    line-height: 1;
    transition: color 140ms ease, background 140ms ease, transform 140ms ease;
}

.favorite-button:hover,
.favorite-button[aria-pressed="true"] {
    background: rgba(255, 255, 255, 0.78);
    color: var(--accent);
    transform: scale(1.04);
}

mark {
    border-radius: 3px;
    background:
        linear-gradient(180deg, transparent 58%, rgba(255, 205, 102, 0.54) 58%),
        linear-gradient(90deg, rgba(255, 224, 138, 0.35), rgba(255, 209, 229, 0.32));
    color: inherit;
    padding: 0 1px;
}

footer {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    margin-top: auto;
    padding: 0 0 22px;
    color: var(--muted);
    font-size: 14px;
    font-weight: 560;
}

footer a {
    color: inherit;
    font-weight: 700;
    text-decoration: none;
}

footer a:hover {
    color: var(--accent);
}

@media (max-width: 920px) {
    .app-header {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .meta-group {
        justify-content: space-between;
    }

    .result-item {
        grid-template-columns: 28px minmax(130px, 0.8fr) minmax(0, 1.3fr);
        gap: 6px 12px;
    }

    .japanese {
        grid-column: 2;
        grid-row: 1;
    }

    .reading {
        grid-column: 2;
        grid-row: 2;
    }

    .polish {
        grid-column: 3;
        grid-row: 1;
    }

    .english {
        grid-column: 3;
        grid-row: 2;
    }

    .result-cell .copy-button,
    .copy-button {
        display: none !important;
    }
}

@media (max-width: 560px) {
    .page-shell,
    .app-header,
    main,
    footer {
        width: min(100% - 20px, 1360px);
    }

    .app-header {
        top: 8px;
        gap: 10px;
        padding: 10px;
    }

    .brand-mark {
        width: 38px;
        height: 38px;
        font-size: 23px;
    }

    .brand-name {
        font-size: 20px;
    }

    .search-row {
        grid-template-columns: minmax(0, 1fr) 42px;
    }

    input[type="search"] {
        font-size: 16px;
        min-height: 40px;
    }

    .result-item {
        grid-template-columns: 24px minmax(96px, 0.78fr) minmax(0, 1.25fr);
        gap: 2px 10px;
        min-height: 0;
        padding: 7px 12px;
    }

    .japanese,
    .reading,
    .polish,
    .english {
        grid-column: auto;
        grid-row: auto;
    }

    .japanese {
        grid-column: 2;
        grid-row: 1;
        font-size: 17px;
    }

    .reading {
        grid-column: 2;
        grid-row: 2;
        font-size: 13px;
    }

    .polish {
        grid-column: 3;
        grid-row: 1;
    }

    .english {
        grid-column: 3;
        grid-row: 2;
        font-size: 14px;
    }

    .result-cell .copy-button,
    .copy-button {
        display: none !important;
    }

    footer {
        align-items: flex-start;
        flex-direction: column;
    }
}