:root {
    color-scheme: dark;
    font-family: "Inter", "Avenir", "Segoe UI", sans-serif;
    --keyboard-gap: 6px;
    --transition: 120ms ease;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    background: var(--neutral-900);
    color: var(--mist-200);
    overflow-y: auto;
}

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

.app-header {
    display: flex;
    align-items: center;
    justify-content: space-around;
    padding: 20px 28px;
    position: sticky;
    top: 0;
    backdrop-filter: blur(18px);
    background: var(--neutral-900);
    border-bottom: 1px solid var(--mist-300);
    z-index: 20;
}

.logo img {
    width: 56px;
    height: 56px;
}

.title {
    margin: 0;
    font-size: 1.75rem;
    letter-spacing: 0.02em;
}

.menu-btn {
    background: transparent;
    border: 1px solid var(--mist-300);
    border-radius: 999px;
    padding: 8px 14px;
    color: var(--mist-200);
    font-size: 20px;
    cursor: pointer;
    transition: background var(--transition), border-color var(--transition);
}

.menu-btn:hover {
    background: var(--mist-200);
    border-color: var(--mist-400);
}

.drawer {
    display: none;
    position: fixed;
    top: 70px;
    right: 20px;
    padding: 10px 14px;
    min-width: 220px;
    border-radius: 16px;
    background: color-mix(in srgb, var(--neutral-900) 95%, transparent);
    border: 1px solid var(--mist-300);
    box-shadow: 0 14px 32px rgba(0, 0, 0, 0.4);
    z-index: 25;
}

.drawer a {
    display: block;
    color: var(--mist-200);
    text-decoration: none;
    font-weight: 600;
    padding: 8px 6px;
    border-radius: 8px;
}

.drawer a:hover {
    background: rgba(255, 255, 255, 0.1);
}

.app-main {
    flex: 1;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 32px 24px 48px;
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.main-top {
    display: flex;
    gap: 32px;
    align-items: stretch;
    flex-wrap: nowrap;
}

.main-bottom {
    display: flex;
    flex-direction: column;
    gap: 18px;
    flex: 1 1 auto;
}

.top-left {
    flex: 1 1 50%;
    min-width: 320px;
    background: var(--neutral-700);
    border: 1px solid var(--mist-300);
    border-radius: 20px;
    padding: 28px;
    box-shadow: 0 24px 80px var(--neutral-900);
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.top-left-bottom {
    display: flex;
    flex-direction: row;
    gap: 18px;
}

.order-text {
    margin: 0;
    line-height: 1.6;
    background: var(--neutral-500);
    padding: 12px 16px;
    border-radius: 12px;
}

.order-stats {
    display: flex;
    gap: 18px;
    align-items: center;
    flex-wrap: wrap;
    justify-content: flex-start;
}

.rotate-notice {
    display: none;
    font-size: 0.9rem;
    color: var(--neutral-900);
    background: var(--gold-300);
    border: 1px dashed var(--gold-300);
    border-radius: 12px;
    padding: 10px 14px;
    position: absolute;
    left: 30%;
    text-wrap: wrap;
    width: min-content;
    z-index: 1;
    font-weight: 900;
}

.tone-display {
    display: flex;
    gap: 4px;
    flex-wrap: wrap;
    align-items: center;
}

.tone-label {
    color: var(--gold-300);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 0.85rem;
    margin-left: 12px;
}

.tone-toggle {
    margin-left: 10px;
    padding: 4px 10px;
    border-radius: 12px;
    border: 1px solid var(--mist-300);
    background: var(--mist-200);
    color: var(--gold-600);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    cursor: pointer;
    transition: background var(--transition), color var(--transition), border-color var(--transition);
}

.tone-toggle[aria-pressed="true"] {
    background: var(--blue-200);
    border-color: var(--blue-400);
    color: var(--gold-300);
}

.tone-toggle.is-relaxed {
    background: var(--red-50);
    border-color: var(--red-300);
    color: var(--red-300);
    text-decoration: line-through;
    text-decoration-color: var(--red-300);
}

.tone-toggle:focus {
    outline: none;
    box-shadow: 0 0 0 2px var(--blue-400);
}

.tone-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    font-weight: 600;
}

.tone-name {
    color: var(--gold-300);
}

.tone-solfege {
    color: var(--blue-400);
}

.tone-interval {
    color: var(--gold-600);
}

.goblin-figure {
    margin: 0;
    width: 100%;
    flex: 1 1 auto;
    background: var(--neutral-500);
    border-radius: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--mist-300);
    box-shadow: 0 24px 80px var(--neutral-900);
    padding: 18px;
    position: relative;
}

.tuner-indicator {
    --needle-rotation: 0deg;
    position: absolute;
    top: 8px;
    right: 12px;
    width: 80px;
    height: 40px;
    border-radius: 96px 96px 0 0;
    border: 1px solid var(--mist-300);
    border-bottom: none;
    background: var(--mist-200);
    overflow: hidden;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding-bottom: 6px;
    transition: border-color var(--transition), background var(--transition);
    z-index: 6;
}

.tuner-indicator__half {
    position: absolute;
    top: 0;
    width: 50%;
    height: 100%;
    background: var(--mist-softs);
    transition: background var(--transition);
}

.tuner-indicator__half--left {
    left: 0;
    border-top-left-radius: inherit;
}

.tuner-indicator__half--right {
    right: 0;
    border-top-right-radius: inherit;
}

.tuner-indicator__needle {
    position: absolute;
    bottom: 8px;
    left: 50%;
    width: 2px;
    height: calc(100% - 20px);
    background: var(--mist-200);
    transform-origin: bottom center;
    transform: translateX(-50%) rotate(var(--needle-rotation));
    transition: transform 140ms ease, background var(--transition);
}

.tuner-indicator__center {
    position: absolute;
    bottom: 6px;
    left: 50%;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--neutral-900);
    border: 2px solid var(--mist-200);
    transform: translateX(-50%);
    box-shadow: 0 6px 18px var(--neutral-900);
}

.tuner-indicator__value {
    position: relative;
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    color: var(--mist-200);
    text-transform: uppercase;
    pointer-events: none;
}

.tuner-indicator.is-idle {
    background: var(--veil-200);
    border-color: var(--mist-300);
}

.tuner-indicator.is-in {
    background: var(--green-100);
    border-color: var(--green-300);
}

.tuner-indicator.is-in .tuner-indicator__half {
    background: var(--green-300);
}

.tuner-indicator.is-in .tuner-indicator__needle {
    background: var(--green-300);
}

.tuner-indicator.is-in .tuner-indicator__value {
    color: var(--green-300);
}

.tuner-indicator.is-high,
.tuner-indicator.is-low {
    border-color: var(--red-300);
}

.tuner-indicator.is-high .tuner-indicator__half--right,
.tuner-indicator.is-low .tuner-indicator__half--left {
    background: var(--red-300);
}

.tuner-indicator.is-high .tuner-indicator__needle,
.tuner-indicator.is-low .tuner-indicator__needle {
    background: var(--red-300);
}

.tuner-indicator.is-high .tuner-indicator__value,
.tuner-indicator.is-low .tuner-indicator__value {
    color: var(--red-300);
}

@media (max-width: 820px),
(max-height: 480px) {
    .tuner-indicator {
        top: 12px;
        right: 12px;
        width: 68px;
        height: 38px;
        border-radius: 68px 68px 0 0;
        padding-bottom: 4px;
    }

    .tuner-indicator__needle {
        bottom: 6px;
        height: calc(100% - 14px);
    }

    .tuner-indicator__center {
        width: 9px;
        height: 9px;
        bottom: 4px;
    }

    .tuner-indicator__value {
        font-size: 0.55rem;
    }
}

.goblin-figure img {
    width: 100%;
    max-width: 200px;
    height: auto;
    filter: drop-shadow(0 14px 30px var(--neutral-900));
    transition: transform 200ms ease, filter 200ms ease;
}

.goblin-figure img.is-animating {
    transform: translateY(-4px);
    filter: drop-shadow(0 20px 40px var(--neutral-900));
}

.goblin-streak {
    position: absolute;
    left: 10px;
    bottom: 3px;
    display: flex;
    align-items: center;
    gap: 4px;
    /* padding: 6px 12px; */
    /* border-radius: 16px; */
    z-index: 5;
}

.goblin-streak__count {
    font-size: 1rem;
    font-weight: 700;
    color: var(--gold-600);
    letter-spacing: 0.04em;
}

.goblin-streak__label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--gold-300);
    text-transform: uppercase;
    letter-spacing: 0.12em;
}

.controls-row {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    align-items: center;
    justify-content: flex-start;
}

.controls-row .ctrl {
    min-width: auto;
    padding: 8px 14px;
    flex-shrink: 0;
}

.top-right {
    display: flex;
    flex-direction: column;
    flex: 1 1 40%;
    min-width: 260px;
    align-items: center;
    justify-content: center;
}

.ctrl {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: var(--neutral-700);
    border: 1px solid transparent;
    border-radius: 16px;
    padding: 12px 22px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition), background var(--transition);
    min-width: 140px;
}

.ctrl:disabled {
    cursor: not-allowed;
    opacity: 0.5;
}

.ctrl.primary {
    color: var(--red-300);
    border-color: var(--red-300);
    box-shadow: 0 20px 40px var(--blue-400);
}

.ctrl.accent {
    color: var(--gold-600);
    border-color: var(--mist-300);
}

.ctrl.accent.is-replay {
    color: var(--blue-600);
    border-color: var(--blue-400);
    box-shadow: 0 12px 24px var(--blue-400);
}

.ctrl.accent.is-next {
    background: var(--gold-100);
    color: var(--gold-300);
    border-color: var(--gold-300);
    box-shadow: 0 12px 24px var(--gold-300);
}

.ctrl.ghost {
    background: var(--neutral-900);
    color: var(--gold-600);
    border-color: var(--gold-600);
}

.ctrl:not(:disabled):hover {
    transform: translateY(-2px);
}

.ctrl.accent.is-replay:not(:disabled):hover {
    background: var(--blue-200);
}

.ctrl.accent.is-next:not(:disabled):hover {
    background: var(--gold-100);
}

.keyboard-row {
    background: var(--neutral-700);
    border-radius: 24px;
    border: 1px solid var(--mist-300);
    padding: 12px;
    box-shadow: 0 24px 80px var(--neutral-900);
}

.main-bottom .keyboard-row {
    flex: 1 1 auto;
}

.keyboard {
    position: relative;
    margin: 0 auto;
    height: 220px;
    background: var(--neutral-900);
    border-radius: 18px;
    border: 1px solid var(--neutral-900);
    overflow: visible;
    box-shadow: inset 0 0 0 1px var(--white);
    display: flex;
    align-items: flex-end;
    padding: 0 18px 16px;
    gap: var(--keyboard-gap);
    width: 100%;
    max-width: 100%;
    --white-key-count: 24;
    --white-key-width: calc((100% - (var(--white-key-count) - 1) * var(--keyboard-gap)) / var(--white-key-count));
}

.key-slot {
    height: 100%;
    position: relative;
    flex: 0 0 var(--white-key-width);
    min-width: var(--white-key-width);
    max-width: var(--white-key-width);
    display: flex;
    justify-content: center;
}

.key {
    position: relative;
    width: 100%;
    height: 200px;
    background: var(--white);
    border-radius: 10px;
    border: 1px solid var(--mist-300);
    box-shadow: 0 6px 28px var(--black);
    cursor: pointer;
    transition: transform 80ms ease, box-shadow 80ms ease, border-color 120ms ease;
}

.key.white {
    overflow: visible;
}

.key-slot .key.white {
    flex: 0 0 100%;
    min-width: 100%;
    max-width: 100%;
}

.key:hover {
    transform: translateY(-2px);
}

.key.freeze-hover,
.key.freeze-hover:hover {
    transform: none;
}

.key.active {
    outline: 3px solid var(--blue-400);
    outline-offset: -5px;
}

.key.playback-active {
    outline: 3px solid var(--blue-400);
    outline-offset: -5px;
}

.key.target {
    border-color: var(--gold-300);
    box-shadow: 0 0 32px var(--gold-300);
    background: var(--gold-300);
}

.key.reference {
    border-color: var(--blue-400);
    box-shadow: 0 0 26px var(--blue-400);
    background: var(--blue-300);
}

.key.success {
    border-color: var(--green-300);
    box-shadow: 0 0 32px var(--green-300);
    background: var(--green-100);
}

.key.black {
    position: absolute;
    top: 0;
    height: 132px;
    width: 62%;
    max-width: none;
    left: 70%;
    background: var(--neutral-700);
    border-color: var(--neutral-900);
    border-radius: 12px 12px 10px 10px;
    z-index: 6;
    box-shadow: 0 12px 30px var(--neutral-900);
    pointer-events: auto;
    transition: transform 80ms ease, box-shadow 80ms ease, border-color 120ms ease, z-index 80ms ease;
}

.key.black:hover {
    z-index: 9;
}

.key.black.target {
    box-shadow: 0 0 32px var(--gold-300);
    border-color: var(--gold-300);
    background: var(--gold-600);
}

.key.black.reference {
    box-shadow: 0 0 32px var(--blue-400);
    border-color: var(--blue-400);
    background: var(--blue-300);
}

.key.black.success {
    box-shadow: 0 0 32px var(--green-300);
    border-color: var(--green-300);
    background: var(--green-900);
}

.key-label {
    position: absolute;
    bottom: 10px;
    left: 0;
    right: 0;
    text-align: center;
    font-size: 12px;
    color: var(--black);
    font-weight: 700;
    pointer-events: none;
}

.key.black .key-label {
    color: var(--mist-200);
}

.text-success {
    color: var(--green-300);
    font-weight: 600;
}

.text-danger {
    color: var(--red-300);
    font-weight: 600;
}

.text-warning {
    color: var(--gold-300);
    font-weight: 600;
}

.text-blue {
    color: var(--blue-300);
    font-weight: 600;
}

.text-super {
    display: block;
    text-align: center;
    color: var(--gold-300);
    font-weight: 700;
    font-size: 2.75rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.text-tone {
    color: var(--blue-400);
    font-weight: 600;
}

.text-highlight {
    color: var(--gold-300);
    font-weight: 700;
}

.key.missed {
    border-color: var(--red-300);
    box-shadow: 0 0 36px var(--red-300);
    background: var(--red-50);
}

.key.black.missed {
    background: var(--red-900);
}

.app-footer {
    padding: 16px;
    text-align: center;
    color: var(--gold-600);
    font-size: 0.85rem;
}

@media (max-width: 960px) {
    .main-top {
        flex-direction: row;
        gap: 16px;
        flex-wrap: nowrap;
    }

    .app-header {
        position: inherit;
    }

    .top-left,
    .top-right {
        flex: 1 1 auto;
        min-width: 0;
    }

    .top-left {
        gap: 12px;
        min-width: 0;
        padding: 12px;
    }

    .order-stats {
        gap: 18px;
        justify-content: flex-start;
    }

    .top-right {
        align-items: center;
        justify-content: center;
    }

    .goblin-figure {
        padding: 12px;
    }



    .controls-row {
        justify-content: center;
        gap: 8px;
        max-width: 50%;
    }

    .controls-row .ctrl {
        font-size: 0.9em;
        padding: 8px 14px;
        /* flex: 1 1 160px; */
        max-width: none;
    }

    .main-bottom .keyboard-row {
        overflow: hidden;
    }

    .main-bottom .keyboard {
        overflow: hidden;
        height: 8em;
    }

    .main-bottom .keyboard .key {
        height: 100%;
    }

    .main-bottom .keyboard .key.black {
        height: 70%;
    }
}

@media (max-width: 640px) {
    .app-header {
        padding: 16px 20px;
    }

    .menu-btn {
        display: none;
    }

    .app-main {
        min-height: auto;
        display: flex;
        flex-direction: column;
        gap: 16px;
        padding: 20px 14px 28px;
    }

    .main-top {
        flex: 0 0 auto;
        height: auto;
        max-height: none;
        overflow: visible;
        gap: 16px;
        flex-direction: column;
    }

    .top-left {
        padding: 18px;
        gap: 14px;
        min-width: 0;
    }

    .order-stats {
        gap: 14px;
    }

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

    .tone-item {
        padding: 6px 10px;
    }

    .top-right {
        gap: 12px;
        min-width: 0;
        align-items: center;
        justify-content: center;
    }

    .goblin-figure {
        padding: 12px;
    }

    .controls-row {
        gap: 10px;
        justify-content: center;
        width: 100%;
    }

    .controls-row .ctrl {
        padding: 8px 12px;
        font-size: 0.85rem;
        flex: 1 1 auto;
        max-width: none;
    }

    .main-bottom {
        flex: 0 0 auto;
        height: auto;
        max-height: none;
        display: block;
    }

    .main-bottom .keyboard-row {
        flex: 1 1 auto;
        height: auto;
        padding: 14px;
    }

    .keyboard {
        height: 200px;
        padding: 0 12px 12px;
    }

    .key {
        height: 100%;
    }

    .key.black {
        height: 70%;
    }

    .rotate-notice {
        display: block;
        text-align: center;
    }
}