:root {
    --bg-color: #f3f5f8;
    --text-main: #1f2937;
    --text-strong: #111827;
    --text-muted: #6b7280;
    --board-bg: rgba(255, 255, 255, 0.45);
    --board-border: rgba(255, 255, 255, 0.7);
    --key-bg: rgba(255, 255, 255, 0.92);
    --key-bg-empty: rgba(255, 255, 255, 0.5);
    --key-bg-static: rgba(245, 246, 248, 0.92);
    --key-shadow: #cfd6e1;
    --key-shadow-soft: rgba(17, 24, 39, 0.05);
    --key-radius: 14px;
    --panel-radius: 24px;
    --transition: 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);
    --keyboard-scale: 1;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html,
body {
    width: 100%;
    height: 100%;
}

body {
    overflow: hidden;
    color: var(--text-main);
    font-family: "Inter", -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
    background-color: var(--bg-color);
    background-image:
        radial-gradient(at 40% 20%, hsla(28, 100%, 74%, 0.2) 0, transparent 50%),
        radial-gradient(at 80% 0%, hsla(189, 100%, 56%, 0.2) 0, transparent 50%),
        radial-gradient(at 0% 50%, hsla(355, 100%, 93%, 0.4) 0, transparent 50%),
        radial-gradient(at 80% 50%, hsla(340, 100%, 76%, 0.18) 0, transparent 50%),
        radial-gradient(at 0% 100%, hsla(22, 100%, 77%, 0.18) 0, transparent 50%),
        radial-gradient(at 80% 100%, hsla(242, 100%, 70%, 0.18) 0, transparent 50%),
        radial-gradient(at 0% 0%, hsla(343, 100%, 76%, 0.18) 0, transparent 50%);
    background-attachment: fixed;
    background-size: cover;
}

button,
input {
    font: inherit;
    outline: none;
}

button {
    border: 0;
    cursor: pointer;
}

a {
    color: inherit;
    text-decoration: none;
}

.scene {
    position: relative;
    width: 100%;
    height: 100%;
}

.scene::before,
.scene__lights,
.scene__lights::before,
.scene__lights::after,
.keyboard-board__edge {
    display: none;
}

.stage {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 22px 20px 96px;
}

.stage__stack {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 24px;
    width: 100%;
    height: 100%;
}

.keyboard-shell {
    width: min(2080px, 100%);
    height: clamp(470px, 58vh, 620px);
    display: flex;
    align-items: flex-end;
    justify-content: center;
    overflow: hidden;
}

.keyboard-board {
    position: relative;
    padding: 24px 24px 28px;
    border-radius: var(--panel-radius);
    background: var(--board-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--board-border);
    box-shadow:
        0 20px 40px rgba(0, 0, 0, 0.04),
        inset 0 1px 0 rgba(255, 255, 255, 1);
    transform: scale(var(--keyboard-scale));
    transform-origin: center bottom;
}

.keyboard-board__brand {
    position: absolute;
    bottom: 8px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.16em;
    color: rgba(31, 41, 55, 0.14);
    pointer-events: none;
}

.keyboard {
    --key-unit: 96px;
    --key-height: 82px;
    --key-height-function: 82px;
    --key-height-bottom: 82px;
    --key-gap: 10px;
    display: flex;
    flex-direction: column;
    gap: var(--key-gap);
    width: max-content;
}

.keyboard__row {
    display: flex;
    justify-content: center;
    gap: var(--key-gap);
}

.key-card {
    position: relative;
    flex: 0 0 calc(var(--key-unit) * var(--span, 1) + var(--key-gap) * (var(--span, 1) - 1));
    width: calc(var(--key-unit) * var(--span, 1) + var(--key-gap) * (var(--span, 1) - 1));
    height: var(--key-height);
}

.keyboard__row--function .key-card {
    height: var(--key-height-function);
}

.keyboard__row--bottom .key-card {
    height: var(--key-height-bottom);
}

.key-card__cap {
    width: 100%;
    height: 100%;
}

.key-card__surface {
    position: relative;
    width: 100%;
    height: 100%;
    padding: 10px;
    border: 1px solid rgba(0, 0, 0, 0.04);
    border-radius: var(--key-radius);
    background: var(--key-bg);
    box-shadow:
        0 6px 0 var(--key-shadow),
        0 12px 20px var(--key-shadow-soft);
    transition:
        transform 0.15s cubic-bezier(0.4, 0, 0.2, 1),
        box-shadow 0.15s cubic-bezier(0.4, 0, 0.2, 1),
        background 0.15s cubic-bezier(0.4, 0, 0.2, 1),
        border-color 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-end;
}

.key-card.is-pressed .key-card__surface,
.key-card:active .key-card__surface {
    transform: translateY(6px);
    box-shadow:
        0 0 0 var(--key-shadow),
        0 2px 4px rgba(0, 0, 0, 0.05);
    background: #f9fafb;
}

.key-card--site .key-card__surface {
    background: var(--key-bg);
}

.key-card--site:hover .key-card__surface,
.key-card--site:focus-within .key-card__surface {
    box-shadow:
        0 6px 0 var(--key-shadow),
        0 12px 24px color-mix(in srgb, var(--accent) 22%, transparent);
}

.key-card__key {
    position: absolute;
    top: 10px;
    left: 12px;
    font-size: 27px;
    font-weight: 800;
    line-height: 1;
    color: var(--accent);
    opacity: 0.86;
    text-shadow:
        0 1px 0 rgba(255, 255, 255, 0.7),
        0 2px 6px rgba(0, 0, 0, 0.08);
}

.key-card__title {
    position: absolute;
    right: 10px;
    bottom: 9px;
    left: 10px;
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-main);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    text-align: right;
}

.key-card__favicon {
    position: absolute;
    bottom: 10px;
    left: 10px;
    width: 16px;
    height: 16px;
    border-radius: 4px;
    object-fit: contain;
}

.key-card--has-favicon .key-card__title {
    left: 34px;
}

.key-card__toolbar {
    position: absolute;
    top: -30px;
    right: 0;
    display: flex;
    gap: 4px;
    opacity: 0;
    transform: translateY(10px);
    transition: all 0.2s ease;
    z-index: 10;
}

.key-card:hover .key-card__toolbar,
.key-card:focus-within .key-card__toolbar {
    opacity: 1;
    transform: translateY(0);
}

.key-card__tool {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
    color: var(--text-main);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.key-card__tool:hover,
.key-card__tool:focus-visible {
    background: var(--text-main);
    color: #fff;
}

.key-card__tool:disabled {
    display: none;
}

.key-card--empty .key-card__surface {
    background: var(--key-bg-empty);
    box-shadow:
        0 4px 0 rgba(209, 213, 219, 0.5),
        0 8px 16px rgba(0, 0, 0, 0.02);
}

.key-card--empty .key-card__key {
    color: var(--text-muted);
    opacity: 0.3;
}

.key-card--static {
    pointer-events: none;
}

.key-card--action {
    pointer-events: auto;
}

.key-card--static .key-card__surface {
    background: var(--key-bg-static);
    box-shadow:
        0 6px 0 #cbd5e1,
        0 8px 15px rgba(0, 0, 0, 0.03);
    align-items: center;
    justify-content: center;
}

.key-card--static:not(.key-card--action) .key-card__surface {
    background: rgba(244, 245, 247, 0.74);
    box-shadow:
        0 5px 0 rgba(203, 213, 225, 0.78),
        0 8px 14px rgba(0, 0, 0, 0.02);
}

.key-card--modifier .key-card__surface,
.key-card--space .key-card__surface {
    background: #f4f5f7;
    box-shadow:
        0 6px 0 #cbd5e1,
        0 8px 15px rgba(0, 0, 0, 0.03);
}

.key-card--function .key-card__surface {
    background: #f1f4f8;
    box-shadow:
        0 6px 0 #c7d1df,
        0 8px 15px rgba(0, 0, 0, 0.03);
}

.key-card--action:hover .key-card__surface,
.key-card--action:focus-within .key-card__surface {
    box-shadow:
        0 6px 0 var(--key-shadow),
        0 12px 24px rgba(0, 0, 0, 0.05);
}

.key-card__static-label-wrap {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    text-align: center;
}

.key-card__static-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-muted);
}

.key-card__static-note {
    font-size: 11px;
    font-weight: 700;
    color: var(--text-muted);
}

.key-card--modifier .key-card__static-label,
.key-card--function .key-card__static-label {
    font-size: 13px;
}

.key-card--modifier.key-card--search-trigger .key-card__surface {
    background: linear-gradient(135deg, #a18cd1 0%, #fbc2eb 100%);
    box-shadow:
        0 6px 0 #907bbb,
        0 12px 20px rgba(161, 140, 209, 0.3);
}

.key-card--modifier.key-card--search-trigger .key-card__static-label,
.key-card--modifier.key-card--search-trigger .key-card__static-note {
    color: #fff;
    text-shadow: 0 1px 1px rgba(0, 0, 0, 0.08);
}

.key-card--modifier.key-card--search-trigger .key-card__static-label {
    font-size: 16px;
    font-weight: 800;
}

.key-card--modifier.key-card--search-trigger .key-card__static-note {
    font-size: 11px;
    font-weight: 700;
}

.key-card--function.key-card--save-trigger .key-card__surface {
    background: linear-gradient(135deg, #d9f3ff 0%, #eef6fb 100%);
    box-shadow:
        0 6px 0 #bcd7e5,
        0 12px 20px rgba(109, 169, 197, 0.16);
}

.key-card--function.key-card--import-trigger .key-card__surface {
    background: linear-gradient(135deg, #fff0dc 0%, #f7f3ea 100%);
    box-shadow:
        0 6px 0 #dfcaa8,
        0 12px 20px rgba(182, 146, 85, 0.14);
}

.key-card--function.key-card--save-trigger .key-card__static-label,
.key-card--function.key-card--import-trigger .key-card__static-label {
    font-size: 16px;
    font-weight: 800;
    color: var(--text-main);
}

.key-card--escape .key-card__surface {
    background: linear-gradient(135deg, #ffd2c9, #ffb59d);
    box-shadow:
        0 6px 0 #e7a694,
        0 12px 20px rgba(231, 127, 97, 0.16);
}

.key-card--enter .key-card__surface {
    background: linear-gradient(
        135deg,
        color-mix(in srgb, var(--accent) 84%, white 16%),
        color-mix(in srgb, var(--accent) 70%, #ffd19f 30%)
    );
    box-shadow:
        0 6px 0 color-mix(in srgb, var(--accent) 72%, #8b4b3f 28%),
        0 12px 20px color-mix(in srgb, var(--accent) 34%, transparent);
}

.key-card__enter-icon {
    position: absolute;
    top: 10px;
    left: 14px;
    font-size: 22px;
    font-weight: 800;
    line-height: 1;
    color: rgba(255, 255, 255, 0.96);
}

.key-card--enter .key-card__title,
.key-card--enter .key-card__enter-icon {
    color: #fff;
}

.key-card--enter .key-card__favicon {
    background: rgba(255, 255, 255, 0.9);
    padding: 1px;
}

.key-card__home {
    position: absolute;
    bottom: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 16px;
    height: 3px;
    border-radius: 2px;
    background: var(--text-muted);
    opacity: 0.3;
}

.searchbar {
    width: min(1120px, calc(100vw - 88px));
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px;
    border: 1px solid rgba(255, 255, 255, 0.8);
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    box-shadow:
        0 10px 30px rgba(0, 0, 0, 0.05),
        inset 0 1px 0 rgba(255, 255, 255, 1);
    transition: var(--transition);
}

.searchbar:focus-within {
    box-shadow:
        0 15px 40px rgba(0, 0, 0, 0.08),
        0 0 0 3px rgba(161, 140, 209, 0.3);
}

.searchbar__input {
    flex: 1;
    min-width: 0;
    background: transparent;
    border: none;
    padding: 0 20px;
    font-size: 18px;
    font-weight: 500;
    color: var(--text-main);
}

.searchbar__input::placeholder {
    color: #9ca3af;
}

.searchbar__engine {
    position: relative;
    flex: 0 0 230px;
}

.searchbar__engine-trigger {
    width: 100%;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    padding: 0 16px;
    background: #fff;
    border: 1px solid rgba(0, 0, 0, 0.05);
    border-radius: 14px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.02);
    color: var(--text-main);
    font-weight: 600;
}

.searchbar__engine-trigger:hover,
.searchbar__engine-trigger:focus-visible,
.searchbar__engine.is-open .searchbar__engine-trigger {
    transform: translateY(-2px);
    background: rgba(255, 255, 255, 0.95);
}

.searchbar__engine-value {
    min-width: 0;
    display: inline-flex;
    align-items: center;
    font-weight: 600;
}

.searchbar__chevron {
    width: 8px;
    height: 8px;
    border-right: 2px solid var(--text-muted);
    border-bottom: 2px solid var(--text-muted);
    transform: rotate(45deg);
    transition: 0.2s;
    flex: 0 0 auto;
}

.searchbar__engine.is-open .searchbar__chevron {
    transform: rotate(225deg) translateY(-2px);
}

.searchbar__menu {
    position: absolute;
    right: 0;
    bottom: calc(100% + 10px);
    width: 140px;
    padding: 8px;
    border: 1px solid rgba(0, 0, 0, 0.05);
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    z-index: 100;
}

.searchbar__menu[hidden] {
    display: none;
}

.searchbar__option {
    width: 100%;
    padding: 10px;
    text-align: center;
    background: transparent;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    color: var(--text-muted);
}

.searchbar__option:hover,
.searchbar__option:focus-visible,
.searchbar__option.is-selected {
    background: #f3f4f6;
    color: var(--text-main);
}

.footer {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    z-index: 4;
}

.footer__note,
.footer a {
    display: inline-block;
    margin-bottom: 8px;
    padding: 6px 16px;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    color: var(--text-muted);
    font-size: 12px;
    font-weight: 500;
}

.editor {
    position: fixed;
    inset: 0;
    z-index: 20;
}

.editor[hidden] {
    display: none;
}

.editor__backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.editor__panel {
    position: absolute;
    top: 50%;
    left: 50%;
    width: min(400px, calc(100vw - 24px));
    padding: 32px;
    background: #fff;
    border-radius: 24px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    transform: translate(-50%, -50%);
}

.editor__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    gap: 12px;
}

.editor__header h2 {
    font-size: 20px;
    font-weight: 800;
    color: var(--text-strong);
}

.editor__close {
    background: #f3f4f6;
    padding: 6px 12px;
    border-radius: 12px;
    font-weight: 600;
    color: var(--text-muted);
}

.editor__close:hover,
.editor__close:focus-visible {
    background: #e5e7eb;
}

.editor__form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.field {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.field__label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-muted);
}

.field__input {
    width: 100%;
    min-height: 46px;
    padding: 12px 16px;
    background: #f9fafb;
    border: 1px solid #e5e7eb;
    border-radius: 12px;
    font-weight: 500;
    color: var(--text-main);
    transition: 0.2s;
}

.field__input:focus {
    border-color: #a18cd1;
    background: #fff;
    box-shadow: 0 0 0 3px rgba(161, 140, 209, 0.1);
}

.field__input--readonly {
    color: var(--text-muted);
}

.field__input--color {
    padding: 4px;
    height: 44px;
    cursor: pointer;
}

.field__color-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 10px;
    align-items: center;
}

.editor__actions {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    margin-top: 8px;
}

.action-button {
    padding: 10px 20px;
    border-radius: 12px;
    background: #f3f4f6;
    color: var(--text-main);
    font-weight: 600;
}

.action-button--primary {
    background: var(--text-main);
    color: #fff;
}

.action-button--subtle {
    min-height: 44px;
    padding: 0 14px;
    background: #f3f4f6;
    color: var(--text-muted);
}

.action-button--subtle:hover,
.action-button--subtle:focus-visible {
    background: #e5e7eb;
    color: var(--text-main);
}

.toast {
    position: fixed;
    left: 50%;
    bottom: 18px;
    transform: translateX(-50%);
    z-index: 30;
    max-width: calc(100vw - 24px);
    padding: 10px 16px;
    border-radius: 999px;
    background: var(--text-main);
    color: #fff;
    font-weight: 600;
    box-shadow: 0 12px 30px rgba(17, 24, 39, 0.2);
}

body.is-editor-open {
    overflow: hidden;
}

@media (max-width: 1400px) {
    .keyboard {
        --key-unit: 88px;
        --key-height: 74px;
        --key-height-function: 74px;
        --key-height-bottom: 74px;
        --key-gap: 8px;
    }

    .searchbar {
        width: min(980px, calc(100vw - 40px));
    }
}

@media (max-width: 1120px) {
    .keyboard {
        --key-unit: 78px;
        --key-height: 66px;
        --key-height-function: 66px;
        --key-height-bottom: 66px;
        --key-gap: 7px;
    }

    .keyboard-board {
        padding: 20px 20px 24px;
    }

    .key-card__key {
        font-size: 22px;
    }

    .searchbar {
        width: min(900px, calc(100vw - 32px));
    }

    .searchbar__engine {
        flex-basis: 200px;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation: none !important;
        transition: none !important;
    }
}