:root {
    color-scheme: dark;
    --ink: #071014;
    --panel: rgba(5, 13, 16, 0.92);
    --dread: #7df6dc;
    --dread-dim: #54ae9c;
    --violet: #8e6bdc;
    --blood: #c8605a;
    --bone: #d8d0bc;
    --gold: #e6bd6b;
    --line: rgba(125, 246, 220, 0.25);
    --shadow: 0 24px 80px rgba(0, 0, 0, 0.72);
    font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
    box-sizing: border-box;
}

html,
body {
    width: 100%;
    height: 100%;
    margin: 0;
    overflow: hidden;
    background: var(--ink);
}

button {
    font: inherit;
}

button:focus-visible {
    outline: 2px solid var(--dread);
    outline-offset: 4px;
}

#game-shell {
    position: relative;
    width: 100%;
    height: 100%;
    min-height: 420px;
    isolation: isolate;
    background: #071014;
}

#world {
    position: absolute;
    inset: 0;
    display: block;
    width: 100%;
    height: 100%;
    touch-action: none;
}

.film-grain {
    position: absolute;
    inset: 0;
    z-index: 1;
    opacity: 0.11;
    pointer-events: none;
    background-image:
        repeating-radial-gradient(circle at 17% 32%, transparent 0 1px, rgba(255, 255, 255, 0.13) 1px 2px),
        repeating-linear-gradient(102deg, transparent 0 3px, rgba(0, 0, 0, 0.18) 3px 4px);
    background-size: 7px 7px, 11px 11px;
    mix-blend-mode: overlay;
}

.hud {
    position: absolute;
    z-index: 4;
    inset: max(14px, env(safe-area-inset-top)) 18px auto;
    display: grid;
    grid-template-columns: minmax(360px, 1fr) auto minmax(300px, 1fr);
    align-items: start;
    gap: 22px;
    color: var(--bone);
    pointer-events: none;
    text-shadow: 0 2px 7px #000;
}

.hud-left {
    display: flex;
    flex-wrap: wrap;
    gap: 7px 18px;
    max-width: 610px;
}

.readout,
.meter-readout {
    display: grid;
    grid-template-columns: auto auto;
    align-items: center;
    column-gap: 8px;
    min-width: 108px;
}

.meter-readout {
    grid-template-columns: 52px 82px 26px;
}

.readout-label,
.status-line span {
    color: rgba(222, 226, 210, 0.66);
    font: 600 10px/1.1 ui-monospace, SFMono-Regular, Menlo, monospace;
    letter-spacing: 0.15em;
    text-transform: uppercase;
}

.readout-value {
    color: var(--dread);
    font: 700 24px/1 Georgia, serif;
}

.meter-track {
    display: block;
    width: 82px;
    height: 5px;
    overflow: hidden;
    border: 1px solid rgba(221, 232, 218, 0.2);
    background: rgba(0, 0, 0, 0.45);
}

.meter-fill {
    display: block;
    width: 100%;
    height: 100%;
    transform-origin: left;
    transition: transform 120ms linear;
}

.veil-fill {
    background: var(--violet);
}

.stamina-fill {
    background: var(--gold);
}

.stamina-fill.is-exhausted {
    background: var(--violet);
}

.heart-fill {
    background: var(--dread-dim);
}

.meter-number {
    color: rgba(235, 233, 219, 0.8);
    font: 600 10px/1 ui-monospace, SFMono-Regular, Menlo, monospace;
}

.hud-center {
    display: flex;
    gap: 15px;
    padding: 9px 15px;
    border: 1px solid rgba(125, 246, 220, 0.16);
    background: rgba(3, 10, 12, 0.48);
    backdrop-filter: blur(7px);
}

.status-line {
    display: grid;
    justify-items: center;
    gap: 4px;
    white-space: nowrap;
}

.status-line strong {
    color: #eee8d7;
    font: 600 12px/1.1 ui-monospace, SFMono-Regular, Menlo, monospace;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.hud-actions {
    display: flex;
    justify-content: flex-end;
    gap: 7px;
    pointer-events: auto;
}

.text-button,
.quiet-button {
    border: 1px solid rgba(220, 227, 210, 0.2);
    color: rgba(232, 231, 216, 0.82);
    background: rgba(4, 11, 14, 0.58);
    cursor: pointer;
}

.text-button {
    padding: 8px 10px;
    font: 600 10px/1 ui-monospace, SFMono-Regular, Menlo, monospace;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.text-button:hover,
.quiet-button:hover {
    border-color: var(--dread-dim);
    color: var(--dread);
}

.objective {
    position: absolute;
    z-index: 3;
    top: 74px;
    left: 50%;
    max-width: min(520px, 70vw);
    padding: 5px 13px;
    transform: translateX(-50%);
    border-left: 1px solid var(--line);
    border-right: 1px solid var(--line);
    color: rgba(226, 226, 211, 0.68);
    background: rgba(4, 11, 13, 0.32);
    font: 500 10px/1.25 ui-monospace, SFMono-Regular, Menlo, monospace;
    letter-spacing: 0.12em;
    text-align: center;
    text-transform: uppercase;
    pointer-events: none;
}

.notice {
    position: absolute;
    z-index: 5;
    top: 27%;
    left: 50%;
    max-width: min(680px, 84vw);
    transform: translateX(-50%);
    color: #edf2e4;
    font: 600 clamp(12px, 1.2vw, 16px)/1.4 ui-monospace, SFMono-Regular, Menlo, monospace;
    letter-spacing: 0.13em;
    text-align: center;
    text-shadow: 0 2px 12px #000, 0 0 22px rgba(125, 246, 220, 0.22);
    text-transform: uppercase;
    transition: opacity 220ms ease;
    pointer-events: none;
}

.interaction {
    position: absolute;
    z-index: 5;
    bottom: 62px;
    left: 50%;
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 240px;
    padding: 9px 13px;
    transform: translateX(-50%);
    border: 1px solid var(--line);
    color: #e8eadc;
    background: rgba(3, 10, 12, 0.78);
    box-shadow: 0 9px 36px rgba(0, 0, 0, 0.46);
    font: 600 11px/1.2 ui-monospace, SFMono-Regular, Menlo, monospace;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    pointer-events: none;
}

.interaction.cannot-afford {
    border-color: rgba(200, 96, 90, 0.5);
}

.interaction-cost {
    margin-left: auto;
    color: var(--dread);
}

.cannot-afford .interaction-cost {
    color: var(--blood);
}

.keycap,
kbd {
    display: inline-block;
    min-width: 24px;
    padding: 4px 6px;
    border: 1px solid rgba(221, 229, 211, 0.3);
    border-bottom-width: 2px;
    color: #f1edde;
    background: rgba(255, 255, 255, 0.055);
    font: 600 10px/1 ui-monospace, SFMono-Regular, Menlo, monospace;
    text-align: center;
}

.overlay {
    position: absolute;
    z-index: 10;
    inset: 0;
    display: grid;
    place-items: center;
    overflow: auto;
    padding: max(24px, env(safe-area-inset-top)) max(20px, env(safe-area-inset-right)) max(24px, env(safe-area-inset-bottom)) max(20px, env(safe-area-inset-left));
    background:
        radial-gradient(circle at 50% 42%, rgba(30, 61, 60, 0.36), transparent 38%),
        rgba(3, 7, 10, 0.77);
    backdrop-filter: blur(9px) saturate(0.7);
    transition: opacity 240ms ease, visibility 240ms ease;
}

.is-hidden {
    visibility: hidden !important;
    opacity: 0 !important;
    pointer-events: none !important;
}

#help-overlay {
    z-index: 12;
}

.panel {
    position: relative;
    width: min(700px, 100%);
    padding: clamp(26px, 5vw, 58px);
    border: 1px solid rgba(125, 246, 220, 0.23);
    color: var(--bone);
    background:
        linear-gradient(135deg, rgba(125, 246, 220, 0.035), transparent 45%),
        var(--panel);
    box-shadow: var(--shadow), inset 0 0 70px rgba(66, 146, 132, 0.035);
    text-align: center;
}

.panel::before,
.panel::after {
    position: absolute;
    width: 44px;
    height: 44px;
    content: "";
}

.panel::before {
    top: 9px;
    left: 9px;
    border-top: 1px solid var(--dread-dim);
    border-left: 1px solid var(--dread-dim);
}

.panel::after {
    right: 9px;
    bottom: 9px;
    border-right: 1px solid var(--dread-dim);
    border-bottom: 1px solid var(--dread-dim);
}

.title-panel {
    width: min(660px, 100%);
}

.eyebrow {
    margin: 0 0 14px;
    color: var(--dread-dim);
    font: 600 10px/1.2 ui-monospace, SFMono-Regular, Menlo, monospace;
    letter-spacing: 0.28em;
}

h1,
h2,
h3,
p {
    margin-top: 0;
}

h1,
h2 {
    margin-bottom: 18px;
    color: #e8e2cf;
    font-family: Georgia, "Times New Roman", serif;
    font-weight: 400;
}

h1 {
    font-size: clamp(52px, 9vw, 94px);
    line-height: 0.77;
    letter-spacing: -0.055em;
    text-transform: uppercase;
}

h1 span {
    color: var(--dread);
    font-style: italic;
}

h2 {
    font-size: clamp(34px, 5vw, 55px);
    line-height: 0.95;
}

.premise {
    max-width: 560px;
    margin-right: auto;
    margin-bottom: 20px;
    margin-left: auto;
    color: rgba(224, 222, 207, 0.74);
    font: 17px/1.65 Georgia, serif;
}

.title-rule {
    width: 120px;
    height: 1px;
    margin: 24px auto;
    background: linear-gradient(90deg, transparent, var(--dread-dim), transparent);
}

.goal {
    max-width: 520px;
    margin: 0 auto 24px;
    color: rgba(222, 222, 208, 0.72);
    font-size: 13px;
    line-height: 1.55;
}

.goal strong {
    color: var(--gold);
}

.quick-controls {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px 20px;
    margin-bottom: 28px;
    color: rgba(226, 226, 212, 0.65);
    font: 600 10px/1.4 ui-monospace, SFMono-Regular, Menlo, monospace;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.quick-controls span {
    display: flex;
    align-items: center;
    gap: 4px;
}

.primary-button {
    min-width: 210px;
    padding: 13px 22px;
    border: 1px solid var(--dread-dim);
    color: #071411;
    background: var(--dread);
    box-shadow: 0 0 26px rgba(125, 246, 220, 0.13);
    cursor: pointer;
    font: 700 11px/1 ui-monospace, SFMono-Regular, Menlo, monospace;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.primary-button:hover {
    background: #b7ffeb;
}

.quiet-button {
    display: block;
    margin: 13px auto 0;
    padding: 9px 13px;
}

.guide-panel {
    width: min(960px, 100%);
    padding: clamp(24px, 4vw, 48px);
}

.guide-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    margin: 28px 0;
    background: rgba(125, 246, 220, 0.12);
    text-align: left;
}

.guide-grid article {
    min-height: 142px;
    padding: 20px;
    background: rgba(5, 13, 16, 0.96);
}

.guide-grid h3 {
    margin-bottom: 8px;
    color: var(--dread);
    font: 600 11px/1.2 ui-monospace, SFMono-Regular, Menlo, monospace;
    letter-spacing: 0.09em;
    text-transform: uppercase;
}

.guide-grid p,
.pause-note,
.small-panel p {
    color: rgba(221, 222, 207, 0.72);
    font-size: 12px;
    line-height: 1.65;
}

.pause-note {
    margin-bottom: 23px;
}

.small-panel {
    width: min(500px, 100%);
}

.small-panel p {
    max-width: 350px;
    margin-right: auto;
    margin-bottom: 26px;
    margin-left: auto;
}

.touch-controls {
    position: absolute;
    z-index: 7;
    right: max(18px, env(safe-area-inset-right));
    bottom: max(22px, env(safe-area-inset-bottom));
    left: max(18px, env(safe-area-inset-left));
    display: none;
    justify-content: space-between;
    pointer-events: none;
}

.touch-cluster {
    display: flex;
    align-items: flex-end;
    gap: 8px;
    pointer-events: auto;
}

.touch-controls button {
    min-width: 52px;
    min-height: 48px;
    padding: 8px;
    border: 1px solid rgba(125, 246, 220, 0.33);
    border-radius: 2px;
    color: rgba(238, 238, 222, 0.88);
    background: rgba(4, 12, 14, 0.68);
    touch-action: none;
    user-select: none;
    font: 600 10px/1 ui-monospace, SFMono-Regular, Menlo, monospace;
    text-transform: uppercase;
}

.touch-controls button.is-held {
    color: #071411;
    background: var(--dread);
}

@media (hover: none), (pointer: coarse) {
    .touch-controls {
        display: flex;
    }

    .interaction {
        bottom: 98px;
    }
}

@media (max-width: 1120px) {
    .hud {
        grid-template-columns: 1fr auto;
    }

    .hud-center {
        position: absolute;
        top: 58px;
        left: 50%;
        transform: translateX(-50%);
    }

    .objective {
        top: 111px;
    }

    .guide-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .hud {
        right: 9px;
        left: 9px;
        grid-template-columns: 1fr auto;
        gap: 8px;
    }

    .hud-left {
        gap: 5px 10px;
    }

    .meter-readout {
        grid-template-columns: 42px 52px 22px;
    }

    .meter-track {
        width: 52px;
    }

    #help-button {
        display: none;
    }

    .hud-actions {
        flex-direction: column;
        gap: 4px;
    }

    .text-button {
        padding: 6px 8px;
    }

    .hud-center {
        top: 73px;
        gap: 9px;
        padding: 7px 10px;
    }

    .status-line:nth-child(3) {
        display: none;
    }

    .objective {
        top: 132px;
        width: 82vw;
    }

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

    .guide-grid article {
        min-height: 0;
    }

    .overlay {
        align-items: start;
    }

    .title-panel {
        margin: auto 0;
        padding: 28px 22px;
    }

    .premise {
        font-size: 14px;
    }

    .quick-controls {
        gap: 8px 12px;
    }

    .interaction {
        min-width: min(280px, 82vw);
    }
}

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