* { box-sizing: border-box; }
html, body { margin: 0; border: 0; outline: 0; box-shadow: none; }
html { width: 100%; min-height: 100%; overflow-x: hidden; }

html {
    min-width: 320px;
    min-height: 100%;
    background: var(--pulse-bg);
}

body {
    min-width: 320px;
    min-height: 100vh;
    margin: 0;
    color: var(--pulse-text);
    background: var(--pulse-bg);
    font-family: var(--pulse-font);
    line-height: 1.45;
    overflow-x: hidden;
}

body[data-route="levels"] { background: var(--pulse-levels-bg); }

button, a { font: inherit; }
button { color: inherit; }

button:focus-visible,
a:focus-visible,
summary:focus-visible {
    outline: 3px solid var(--pulse-focus);
    outline-offset: 3px;
    box-shadow: 0 0 0 2px var(--pulse-bg);
}

[hidden] { display: none !important; }

#pulse-app { min-height: 100vh; width: 100%; }
#pulse-app, #pulse-gameplay, #pulse-stage-frame, #canvas { border: 0; box-shadow: none; }
#pulse-view { outline: 0; }

.pulse-page {
    width: min(var(--pulse-content-max), 100%);
    min-height: 100vh;
    margin: 0 auto;
    padding: max(18px, env(safe-area-inset-top)) var(--pulse-page-pad) max(44px, env(safe-area-inset-bottom));
}

.pulse-page--home { width: min(var(--pulse-home-max), 100%); }
.pulse-page--home:not(.pulse-welcome) { display: grid; min-height: 100dvh; align-content: center; justify-items: center; }
.pulse-page--home:not(.pulse-welcome) > .pulse-brand { margin-bottom: 22px; }
.pulse-page--home:not(.pulse-welcome) .pulse-logo { width: clamp(156px, 18vw, 192px); }
.pulse-page--home:not(.pulse-welcome) > .pulse-stack { width: 100%; }
.pulse-page--reading { width: min(var(--pulse-reading-max), 100%); }
.pulse-page--result { width: min(var(--pulse-result-max), 100%); }

.pulse-brand {
    display: grid;
    justify-items: center;
    gap: 4px;
    margin: 0 auto 32px;
    text-align: center;
}

.pulse-logo {
    display: block;
    width: clamp(96px, 12vw, 112px);
    height: auto;
    object-fit: contain;
}

.pulse-title,
.pulse-page-title,
.pulse-section-title,
.pulse-card-title,
.pulse-result-state { margin: 0; }

.pulse-title {
    font-size: clamp(1.8rem, 4vw, 2.4rem);
    letter-spacing: 0.09em;
}

.pulse-page-title {
    font-size: clamp(1.65rem, 3.5vw, 2.15rem);
    letter-spacing: 0.08em;
    text-align: center;
}

.pulse-kicker,
.pulse-section-title,
.pulse-card-eyebrow,
.pulse-result-label {
    color: var(--pulse-cyan-soft);
    font-size: 0.84rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.pulse-subtitle,
.pulse-muted { color: var(--pulse-muted); }

.pulse-subtitle {
    margin: 8px 0 0;
    font-size: clamp(1rem, 2vw, 1.2rem);
    letter-spacing: 0.06em;
}

.pulse-toolbar {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    align-items: center;
    min-height: 64px;
    margin-bottom: 22px;
}

.pulse-toolbar .pulse-page-title { grid-column: 1; }

.pulse-icon-button,
.pulse-back-button {
    display: inline-grid;
    place-items: center;
    min-width: 48px;
    min-height: 48px;
    padding: 0;
    border: 0;
    border-radius: 999px;
    color: var(--pulse-text);
    background: transparent;
    cursor: pointer;
}

.pulse-icon-button:hover,
.pulse-back-button:hover { background: var(--pulse-surface-raised); }
.pulse-icon-button { justify-self: end; }
.pulse-back-button { justify-self: start; }

.pulse-icon {
    display: inline-grid;
    width: 34px;
    height: 34px;
    place-items: center;
}

.pulse-icon svg { width: 100%; height: 100%; overflow: visible; }
.pulse-icon svg * { vector-effect: non-scaling-stroke; }

.pulse-stack { display: grid; gap: 16px; }

.pulse-card {
    width: 100%;
    border: 2px solid rgba(173, 184, 204, 0.34);
    border-radius: var(--pulse-radius-md);
    color: var(--pulse-text);
    background: rgba(12, 15, 22, 0.96);
    box-shadow: none;
}

button.pulse-card {
    min-height: 168px;
    padding: 26px 28px;
    text-align: center;
    cursor: pointer;
}

button.pulse-card:hover:not(:disabled) {
    border-color: rgba(98, 213, 255, 0.78);
    background: rgba(14, 19, 29, 0.98);
    box-shadow: var(--pulse-shadow);
}

button.pulse-card:disabled { cursor: not-allowed; opacity: 0.54; }
.pulse-card--primary { border-color: rgba(50, 197, 255, 0.58); }
.pulse-card--primary { min-height: 184px !important; background: rgba(14, 19, 29, 0.98); }

.pulse-card > span { display: grid; justify-items: center; }
.pulse-card-title { font-size: clamp(1.55rem, 3vw, 1.75rem); font-weight: 700; letter-spacing: 0.025em; }
.pulse-card-copy { margin: 12px 0 0; color: rgba(173, 184, 204, 0.72); font-size: 1.05rem; letter-spacing: 0.04em; }
.pulse-card-status { margin-top: 18px; color: var(--pulse-cyan); font-size: 1.28rem; font-weight: 700; letter-spacing: 0.04em; text-align: center; }

.pulse-button {
    display: inline-grid;
    min-height: 52px;
    place-items: center;
    padding: 12px 24px;
    border: 1px solid var(--pulse-cyan);
    border: 2px solid rgba(98, 213, 255, 0.70);
    border-radius: 16px;
    color: #e0e6f0;
    background: rgb(19, 33, 48);
    font-weight: 700;
    letter-spacing: 0.06em;
    text-decoration: none;
    cursor: pointer;
}

.pulse-button:hover:not(:disabled) { border-color: var(--pulse-cyan); background: rgb(24, 43, 61); }
.pulse-button:active:not(:disabled) { background: rgb(14, 26, 39); transform: translateY(1px); }
.pulse-button:disabled { border-color: var(--pulse-border); color: var(--pulse-faint); background: transparent; cursor: not-allowed; }
.pulse-button--secondary { border-color: rgba(173, 184, 204, 0.32); color: rgba(224, 230, 240, 0.90); background: rgba(12, 15, 22, 0.98); }
.pulse-button--quiet { border-color: transparent; color: var(--pulse-muted); background: transparent; }
.pulse-button--block { width: 100%; }

.pulse-home-settings {
    display: block;
    min-height: 48px;
    margin: 18px auto 0;
    padding: 10px 22px;
    border: 1px solid rgba(140, 173, 189, 0.32);
    border-radius: 16px;
    color: rgba(140, 173, 189, 0.82);
    background: rgba(12, 15, 22, 0.72);
    letter-spacing: 0.08em;
    cursor: pointer;
}

.pulse-welcome {
    display: grid;
    min-height: calc(100vh - 70px);
    align-content: center;
    justify-items: center;
    text-align: center;
}

.pulse-welcome .pulse-logo { width: clamp(160px, 24vw, 226px); }
.pulse-welcome .pulse-button { width: min(360px, 100%); margin-top: 36px; }

.pulse-settings-groups { display: grid; gap: 44px; }
.pulse-analytics-choice { padding: 20px; border: 1px solid var(--pulse-border, #294455); border-radius: 12px; margin: 12px 0 20px; }
.pulse-analytics-choice h3 { margin: 0 0 8px; font-size: 1rem; letter-spacing: 0.08em; }
.pulse-analytics-status { color: var(--pulse-cyan-soft); font-size: 0.85rem; letter-spacing: 0.08em; }
.pulse-analytics-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.pulse-analytics-actions .pulse-button { flex: 1 1 180px; }
.pulse-consent { position: fixed; z-index: 40; inset: 0; display: grid; place-items: center; padding: max(16px, env(safe-area-inset-top)) max(16px, env(safe-area-inset-right)) max(16px, env(safe-area-inset-bottom)) max(16px, env(safe-area-inset-left)); background: rgba(3, 8, 13, 0.72); }
.pulse-consent[hidden] { display: none; }
.pulse-consent-dialog { width: min(390px, 100%); padding: clamp(20px, 5vw, 28px); border: 1px solid rgba(173, 184, 204, 0.28); border-radius: var(--pulse-radius-md); background: var(--pulse-surface-raised); box-shadow: 0 18px 48px rgba(0, 0, 0, 0.42); text-align: center; }
.pulse-consent-dialog h2 { margin: 0 0 14px; font-size: 1.3rem; }
.pulse-consent-dialog p { margin: 0; color: var(--pulse-muted); font-size: 0.94rem; line-height: 1.55; }
.pulse-consent-actions { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; margin-top: 24px; }
.pulse-consent-actions .pulse-button { width: 100%; min-height: 58px; padding: 8px; font-size: 0.78rem; }
.pulse-consent-privacy { display: inline-block; margin-top: 22px; color: var(--pulse-muted); font-size: 0.84rem; text-underline-offset: 3px; }
.pulse-section-title { margin: 0 0 10px 4px; }
.pulse-link-list { display: grid; gap: 10px; }

.pulse-setting-link {
    display: flex;
    min-height: 102px;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    padding: 12px 22px;
    border: 2px solid rgba(173, 184, 204, 0.25);
    border-radius: var(--pulse-radius-sm);
    color: #f3f5f7;
    background: rgba(12, 15, 22, 0.96);
    font-size: clamp(1.2rem, 2.4vw, 1.56rem);
    text-align: left;
    text-decoration: none;
    cursor: pointer;
}

.pulse-setting-link:hover { border-color: rgba(98, 213, 255, 0.62); background: rgba(14, 19, 29, 0.98); }
.pulse-setting-link .pulse-icon { width: 30px; height: 30px; color: var(--pulse-cyan); }

.pulse-reading {
    padding: clamp(20px, 4vw, 36px);
    border: 1px solid var(--pulse-border);
    border-radius: var(--pulse-radius-md);
    background: rgba(10, 23, 35, 0.92);
}

.pulse-reading h2 { margin: 1.8em 0 0.5em; color: var(--pulse-cyan-soft); font-size: 1.05rem; letter-spacing: 0.08em; }
.pulse-reading p { color: var(--pulse-muted); }
.pulse-legal-text { margin: 0; color: var(--pulse-muted); font: 0.9rem/1.55 ui-monospace, SFMono-Regular, Consolas, monospace; white-space: pre-wrap; overflow-wrap: anywhere; }
.pulse-support-email { margin: 16px 0; color: var(--pulse-text) !important; font-size: clamp(1rem, 2.4vw, 1.18rem); font-weight: 700; overflow-wrap: anywhere; }
.pulse-copy-status { min-height: 1.45em; margin: 8px 0 0; font-size: 0.9rem; }
.pulse-policy-date { margin-top: 0; font-size: 0.92rem; }
.pulse-privacy { max-width: 820px; margin-inline: auto; }
.pulse-privacy-summary { margin: 24px 0 8px; padding: 20px; border-left: 3px solid var(--pulse-cyan); border-radius: 0 var(--pulse-radius-sm) var(--pulse-radius-sm) 0; background: rgba(50, 197, 255, 0.08); }
.pulse-privacy-summary strong { color: var(--pulse-cyan-soft); font-size: 0.84rem; letter-spacing: 0.12em; }
.pulse-privacy-summary p { margin-bottom: 0; }
.pulse-privacy-list { padding-left: 1.35rem; color: var(--pulse-muted); }
.pulse-privacy-list li + li { margin-top: 0.65rem; }

.pulse-about-card { padding: clamp(28px, 5vw, 48px); text-align: center; }
.pulse-about-card .pulse-logo { width: clamp(132px, 16vw, 152px); margin-inline: auto; }
.pulse-about-name { margin: 0; font-size: 2rem; letter-spacing: 0.1em; }

.pulse-result-header { display: grid; justify-items: center; gap: 3px; margin: 14px 0 26px; text-align: center; }
.pulse-result-header .pulse-logo { width: 104px; margin-bottom: 14px; }
.pulse-result-heading { margin: 0; color: #e0e6f0; font-size: 1.35rem; letter-spacing: 0.06em; }
.pulse-result-title { margin: 2px 0 0; color: rgba(173, 184, 204, 0.90); font-size: 1rem; }
.pulse-result-card {
    padding: clamp(24px, 5vw, 42px);
    border: 2px solid rgba(98, 213, 255, 0.42);
    border-radius: var(--pulse-radius-lg);
    background: rgba(11, 17, 26, 0.98);
    box-shadow: none;
    text-align: center;
}

.pulse-result-state { margin-top: 4px; color: var(--pulse-cyan); font-size: clamp(1.45rem, 3vw, 1.9rem); letter-spacing: 0.04em; }
.pulse-result-runs { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 8px; margin: 0; }
.pulse-run { padding: 16px 14px; border: 0; border-radius: 0; background: transparent; }
.pulse-run + .pulse-run { border-left: 1px solid rgba(173, 184, 204, 0.22); }
.pulse-run strong { display: block; margin-top: 7px; font-size: 1.55rem; }
.pulse-run span:last-child { display: block; color: var(--pulse-muted); }
.pulse-actions { display: grid; gap: 12px; width: min(320px, calc(100% - 40px)); margin: 22px auto 0; }

.pulse-error {
    width: min(520px, calc(100% - 32px));
    margin: 15vh auto 0;
    padding: 28px;
    border: 1px solid var(--pulse-border);
    border-radius: var(--pulse-radius-md);
    background: var(--pulse-surface);
    text-align: center;
}

/* Levels */
.pulse-levels-hero { min-height: 246px; padding: 24px 32px; border: 2px solid var(--pulse-levels-cyan); border-radius: 20px; background: var(--pulse-surface-hero); box-shadow: 0 0 18px rgba(50, 197, 255, 0.12); }
.pulse-levels-hero .pulse-button { border-color: var(--pulse-levels-cyan); border-radius: 48px; color: var(--pulse-dark-on-cyan); background: var(--pulse-levels-cyan); }
.pulse-levels-hero .pulse-button:hover { background: var(--pulse-cyan-soft); }
.pulse-hero-heading, .pulse-hero-level { margin: 0; color: var(--pulse-cyan-soft); font-size: 1.15rem; }
.pulse-hero-level { margin-top: 8px; font-size: 1.35rem; }
.pulse-hero-title { margin: 4px 0 20px; font-size: clamp(1.8rem, 4vw, 2.35rem); }
.pulse-progress { margin: 20px 0 24px; }
.pulse-progress-head { display: flex; justify-content: space-between; gap: 16px; color: var(--pulse-muted); }
.pulse-progress-head strong { color: var(--pulse-cyan-soft); }
.pulse-progress progress { width: 100%; height: 14px; margin-top: 10px; border: 0; border-radius: 999px; overflow: hidden; background: var(--pulse-progress-track); }
.pulse-progress progress::-webkit-progress-bar { background: var(--pulse-progress-track); }
.pulse-progress progress::-webkit-progress-value { background: var(--pulse-cyan); border-radius: 999px; }
.pulse-progress progress::-moz-progress-bar { background: var(--pulse-cyan); border-radius: 999px; }
.pulse-progress-percent { margin-top: 3px; color: var(--pulse-cyan-soft); text-align: right; }
.pulse-chapters { display: grid; gap: 12px; }
.pulse-chapter { border: 2px solid var(--pulse-border); border-radius: 12px; background: #0a1723; overflow: clip; }
.pulse-chapter[open] { border-color: var(--pulse-levels-cyan); box-shadow: 0 0 14px rgba(50, 197, 255, 0.08); }
.pulse-chapter summary { display: grid; grid-template-columns: 58px minmax(0, 1fr) 100px 32px; align-items: center; gap: 15px; min-height: 88px; padding: 12px 20px; list-style: none; cursor: pointer; }
.pulse-chapter summary::-webkit-details-marker { display: none; }
.pulse-medallion { display: grid; width: 56px; height: 56px; place-items: center; border: 1px solid var(--pulse-border); border-radius: 50%; background: #17384d; font-size: 1.2rem; }
.pulse-chapter[open] .pulse-medallion { border-color: var(--pulse-cyan); }
.pulse-chapter-name { margin: 0; font-size: 1.35rem; }
.pulse-chapter-subtitle { margin: 2px 0 0; color: var(--pulse-muted); }
.pulse-chapter-count { color: var(--pulse-cyan-soft); text-align: right; }
.pulse-chapter .pulse-chevron { transition: transform 150ms ease; }
.pulse-chapter[open] .pulse-chevron { transform: rotate(180deg); }
.pulse-level-list { padding: 0 12px 12px; }
.pulse-level-row { display: grid; grid-template-columns: 46px minmax(0, 1fr) 130px; align-items: center; gap: 13px; min-height: 82px; padding: 10px 15px; border-top: 1px solid var(--pulse-divider); }
.pulse-level-row--completed { cursor: pointer; }
.pulse-level-row--completed:hover { background: rgba(50, 197, 255, 0.07); }
.pulse-level-row--completed:focus-visible { outline: 3px solid var(--pulse-focus); outline-offset: -3px; }
.pulse-level-status { display: grid; grid-template-columns: 28px 94px; min-width: 0; align-items: center; justify-items: center; gap: 8px; }
.pulse-level-number { color: var(--pulse-muted); font-variant-numeric: tabular-nums; }
.pulse-level-name { min-width: 0; overflow-wrap: anywhere; }
.pulse-level-name--locked { color: var(--pulse-faint); }
.pulse-level-result { width: 100%; color: var(--pulse-teal); text-align: center; font-variant-numeric: tabular-nums; }
.pulse-level-row .pulse-level-play { width: 94px; min-width: 0; min-height: 44px; padding: 8px 12px; border: 1px solid var(--pulse-levels-cyan); border-radius: 22px; color: var(--pulse-cyan-soft); background: #0d1d2b; }
.pulse-level-row .pulse-level-play:hover:not(:disabled) { border-color: var(--pulse-levels-cyan); color: var(--pulse-dark-on-cyan); background: var(--pulse-levels-cyan); }
.pulse-level-row .pulse-level-play:focus-visible { color: var(--pulse-dark-on-cyan); background: var(--pulse-levels-cyan); outline-color: var(--pulse-focus); }
.pulse-level-row .pulse-level-play:active:not(:disabled) { color: var(--pulse-dark-on-cyan); background: #82dcff; }
.pulse-level-row .pulse-level-play:disabled { border-color: var(--pulse-border); color: var(--pulse-faint); background: transparent; }
.pulse-check { color: var(--pulse-teal); }
.pulse-lock { color: var(--pulse-faint); }
.pulse-level-row--available .pulse-level-play,
.pulse-level-row--locked .pulse-lock { grid-column: 2; justify-self: center; }

.pulse-failure-card { display: grid; justify-items: center; gap: 4px; margin: 12px auto 0; padding: 8px 16px; color: var(--pulse-text); pointer-events: none; }
.pulse-failure-label, .pulse-failure-reason { margin: 0; color: var(--pulse-muted); font-size: 0.82rem; letter-spacing: 0.1em; }
.pulse-failure-accuracy { color: var(--pulse-text); font-size: 1.5rem; }
.pulse-failure-reason { color: var(--pulse-danger); font-weight: 800; }
.pulse-accuracy-scale { display: grid; width: min(340px, 78vw); justify-items: stretch; }
.pulse-accuracy-meter { position: relative; width: 100%; height: 8px; margin: 2px 0 4px; overflow: hidden; border-radius: 99px; background: rgba(173, 184, 204, 0.32); }
.pulse-accuracy-meter::after { position: absolute; top: -3px; bottom: -3px; left: 80%; width: 2px; content: ''; background: var(--pulse-text); opacity: 0.85; }
.pulse-accuracy-meter-fill { display: block; height: 100%; border-radius: inherit; background: var(--pulse-cyan); }

/* Persistent Godot simulation stage */
body.pulse-gameplay-active { height: 100dvh; overflow: hidden; overscroll-behavior: none; }
body.pulse-gameplay-active #pulse-app { display: none; }
#pulse-gameplay { position: fixed; inset: 0; height: 100dvh; min-height: 0; background: var(--pulse-bg-deep); }
body.pulse-gameplay-active #pulse-gameplay { display: block; }
.pulse-gameplay-hud { position: relative; z-index: 2; width: min(900px, 100%); margin: 0 auto; padding: max(8px, env(safe-area-inset-top)) 20px 4px; text-align: center; pointer-events: none; }
.pulse-gameplay-hud .pulse-button { pointer-events: auto; }
.pulse-gameplay-meta { margin: 0; color: var(--pulse-cyan-soft); font-size: 0.82rem; font-weight: 800; letter-spacing: 0.12em; }
.pulse-gameplay-title { margin: 1px 0 0; font-size: clamp(1.02rem, 2.2vw, 1.35rem); }
.pulse-gameplay-status { min-height: 1.35em; margin: 2px 0 0; color: var(--pulse-muted); font-size: 0.92rem; }
.pulse-gameplay-status[data-state="pass"], .pulse-gameplay-status[data-state="perfect"] { color: var(--pulse-teal); }
.pulse-gameplay-status[data-state="try_again"] { color: var(--pulse-danger); }
.pulse-stage-slot { position: absolute; z-index: 0; inset: 0; display: grid; min-width: 0; min-height: 0; padding: 0; }
.pulse-stage-frame { position: relative; width: 100%; height: 100%; min-width: 0; min-height: 0; overflow: hidden; background: var(--pulse-bg-deep); }
/* The canvas is the browser gameplay viewport. Godot fits the current
   solution-safe game-world envelope inside it with a single uniform scale. */
#canvas { display: block; width: 100% !important; height: 100% !important; border: 0; outline: 0; background: var(--pulse-bg-deep); touch-action: none; cursor: crosshair; vertical-align: top; }
#canvas:focus { outline: none; }
.pulse-resume-overlay { position: absolute; z-index: 3; inset: 0; display: grid; place-content: center; gap: 12px; padding: 24px; background: rgba(8, 16, 25, 0.76); text-align: center; backdrop-filter: blur(2px); }
.pulse-resume-overlay p { margin: 0; color: var(--pulse-muted); }
.pulse-gameplay-actions { display: none; }
.pulse-gameplay-actions .pulse-button { pointer-events: auto; }
.pulse-gameplay-actions .pulse-button { min-width: min(240px, 44vw); }
.pulse-gameplay--tutorial .pulse-gameplay-hud { width: min(920px, 100%); padding: max(14px, env(safe-area-inset-top)) 24px 0; }
.pulse-tutorial-top { display: flex; align-items: center; justify-content: space-between; min-height: 44px; }
.pulse-tutorial-exit { min-height: 40px; padding: 7px 14px; border: 1px solid rgba(98, 213, 255, 0.48); border-radius: 14px; color: var(--pulse-cyan-soft); background: rgba(8, 16, 25, 0.72); font: inherit; font-size: 0.76rem; font-weight: 800; letter-spacing: 0.1em; cursor: pointer; pointer-events: auto; }
.pulse-tutorial-phase { margin: clamp(12px, 2.5vh, 24px) 0 0; color: var(--pulse-cyan); font-size: clamp(0.92rem, 1.5vw, 1.08rem); font-weight: 800; letter-spacing: 0.16em; }
.pulse-tutorial-phase[data-state="pass"], .pulse-tutorial-phase[data-state="perfect"] { color: var(--pulse-teal); }
.pulse-tutorial-phase[data-state="try_again"] { color: var(--pulse-danger); }
.pulse-gameplay--tutorial .pulse-gameplay-title { max-width: 760px; margin: 8px auto 0; font-size: clamp(1.35rem, 2.6vw, 2rem); line-height: 1.14; }
.pulse-gameplay--tutorial .pulse-gameplay-status { max-width: 680px; min-height: 0; margin: 10px auto 0; white-space: pre-line; color: var(--pulse-cyan-soft); font-size: clamp(0.92rem, 1.6vw, 1.12rem); font-weight: 700; line-height: 1.45; letter-spacing: 0.05em; }
.pulse-gameplay--tutorial .pulse-gameplay-actions { position: fixed; z-index: 4; inset: auto 0 max(20px, env(safe-area-inset-bottom)); display: flex; justify-content: center; padding: 0 20px; pointer-events: none; }
.pulse-gameplay--tutorial .pulse-tutorial-primary { width: clamp(280px, 34vw, 420px); min-height: 62px; border: 2px solid var(--pulse-cyan); color: var(--pulse-text); background: rgba(8, 16, 25, 0.86); pointer-events: auto; }
.pulse-gameplay--tutorial-ready .pulse-gameplay-hud { display: flex; min-height: 0; flex-direction: column; align-items: center; padding-top: clamp(92px, 14vh, 132px); }
.pulse-tutorial-ready-logo { width: clamp(136px, 9.5vw, 148px); margin: 0 0 clamp(14px, 2vh, 18px); }
.pulse-gameplay--tutorial-ready .pulse-tutorial-phase { margin: 0; color: var(--pulse-text); font-size: clamp(1.65rem, 2.2vw, 1.875rem); line-height: 1.4; letter-spacing: 0.06em; }
.pulse-gameplay--tutorial-ready .pulse-gameplay-title { margin: -1px 0 0; color: rgba(173, 184, 204, 0.90); font-size: clamp(1.05rem, 1.55vw, 1.3125rem); line-height: 1.52; letter-spacing: 0; }
.pulse-gameplay--tutorial-ready .pulse-gameplay-actions { inset: clamp(440px, 60vh, 590px) 0 auto; }
.pulse-gameplay--tutorial-ready .pulse-tutorial-primary { width: clamp(300px, 24vw, 360px); min-height: 68px; }

.pulse-terminal-feedback { display: grid; justify-items: center; gap: 5px; margin: 16px auto 0; width: min(360px, 82vw); text-align: center; }
.pulse-terminal-accuracy-label { color: var(--pulse-cyan-soft); font-size: 0.82rem; font-weight: 800; letter-spacing: 0.12em; }
.pulse-terminal-accuracy { color: var(--pulse-text); font-size: 1.55rem; line-height: 1; }
.pulse-accuracy-meter { position: relative; width: 100%; height: 8px; overflow: hidden; border-radius: 99px; background: rgba(173, 184, 204, 0.32); }
.pulse-accuracy-meter::after { position: absolute; top: -4px; bottom: -4px; left: 80%; width: 2px; content: ''; background: var(--pulse-text); opacity: 0.9; }
.pulse-accuracy-meter-fill { display: block; height: 100%; border-radius: inherit; background: var(--pulse-cyan); }
.pulse-accuracy-threshold { width: max-content; margin-left: 80%; transform: translateX(-50%); white-space: pre-line; color: var(--pulse-text); font-size: 0.78rem; font-weight: 800; line-height: 1.05; letter-spacing: 0.08em; text-align: center; }
.pulse-terminal-reason, .pulse-terminal-state, .pulse-terminal-action { margin: 3px 0 0; }
.pulse-terminal-reason { color: var(--pulse-danger); font-size: 1rem; font-weight: 800; letter-spacing: 0.05em; }
.pulse-terminal-state { color: var(--pulse-text); font-size: 1.35rem; font-weight: 800; letter-spacing: 0.08em; }
.pulse-terminal-action { color: var(--pulse-muted); font-size: 0.92rem; letter-spacing: 0.08em; }
.pulse-button--compact { min-width: min(240px, 70vw); min-height: 48px; margin-top: 10px; padding: 10px 22px; }
.pulse-gameplay-semantic-action { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

.pulse-modal-backdrop { position: fixed; z-index: 20; inset: 0; display: grid; place-items: center; padding: 24px; background: rgba(3, 8, 13, 0.78); }
.pulse-modal { width: min(440px, 100%); padding: 28px; border: 1px solid var(--pulse-cyan); border-radius: var(--pulse-radius-md); background: var(--pulse-surface-raised); box-shadow: var(--pulse-shadow); text-align: center; }
.pulse-modal h2 { margin-top: 0; }
.pulse-modal-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 24px; }

.pulse-share-backdrop { padding: max(12px, env(safe-area-inset-top)) max(12px, env(safe-area-inset-right)) max(12px, env(safe-area-inset-bottom)) max(12px, env(safe-area-inset-left)); }
.pulse-share-modal { display: grid; justify-items: center; gap: 14px; width: min(480px, 100%); max-height: calc(100dvh - 24px); overflow-y: auto; padding: 18px; }
.pulse-share-header { display: grid; grid-template-columns: 48px minmax(0, 1fr) 48px; align-items: center; width: 100%; min-height: 48px; }
.pulse-share-header h2 { grid-column: 2; grid-row: 1; margin: 0; color: var(--pulse-cyan); font-size: 1.05rem; letter-spacing: 0.08em; }
.pulse-share-close { grid-column: 3; grid-row: 1; display: grid; width: 48px; min-height: 48px; place-items: center; padding: 0; border: 1px solid transparent; border-radius: 50%; color: var(--pulse-muted); background: transparent; font-size: 1.8rem; line-height: 1; cursor: pointer; }
.pulse-share-close:hover { border-color: var(--pulse-border); color: var(--pulse-text); background: rgba(98, 213, 255, 0.08); }
.pulse-share-preview { position: relative; flex: none; width: min(340px, calc(100vw - 72px)); aspect-ratio: 1; overflow: hidden; border: 1px solid var(--pulse-border); border-radius: 12px; background: #0c1018; }
.pulse-share-status { position: absolute; inset: 0; display: grid; place-items: center; margin: 0; padding: 24px; color: var(--pulse-muted); font-size: 0.9rem; text-align: center; }
.pulse-share-image { position: absolute; inset: 0; display: block; width: 100%; height: 100%; object-fit: contain; opacity: 0; transition: opacity 120ms ease-out; }
.pulse-share-image[hidden] { display: none; }
.pulse-share-image.is-ready { opacity: 1; }
.pulse-share-message { width: 100%; margin: 0; color: var(--pulse-text); font-size: 0.86rem; line-height: 1.4; white-space: pre-line; overflow-wrap: anywhere; }
.pulse-share-feedback { width: 100%; min-height: 1.3em; margin: 0; color: var(--pulse-muted); font-size: 0.78rem; text-align: center; }
.pulse-share-url-fallback { width: 100%; min-height: 44px; padding: 8px 10px; border: 1px solid var(--pulse-border); border-radius: 8px; color: var(--pulse-text); background: var(--pulse-bg); font: inherit; font-size: 0.82rem; }
.pulse-share-actions { display: grid; gap: 9px; width: 100%; }
.pulse-share-primary { width: 100%; min-height: 52px; border-color: var(--pulse-cyan); color: var(--pulse-dark-on-cyan); background: var(--pulse-cyan); }
.pulse-share-primary:hover:not(:disabled) { border-color: var(--pulse-cyan-soft); color: var(--pulse-dark-on-cyan); background: var(--pulse-cyan-soft); }
.pulse-share-secondary-actions { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 9px; }
.pulse-share-secondary-actions .pulse-button { min-height: 48px; padding: 8px; font-size: 0.83rem; }
.pulse-share-modal :focus-visible { outline-color: var(--pulse-cyan); outline-offset: 3px; box-shadow: 0 0 0 2px var(--pulse-bg); }

#status { position: fixed; inset: 0; z-index: 100; display: grid; place-items: center; overflow: hidden; padding: 22px; color: var(--pulse-text); background: var(--pulse-bg-deep); font-family: var(--pulse-font); }
.pulse-loader { display: grid; justify-items: center; gap: 12px; width: min(100%, 420px); max-height: 100%; }
.pulse-loader-wordmark { color: var(--pulse-text); font-size: 0.88rem; font-weight: 600; letter-spacing: 0.3em; }
.pulse-showcase { position: relative; width: min(400px, calc(100vw - 44px), 56dvh); aspect-ratio: 6 / 7; overflow: hidden; background: var(--pulse-bg-deep); }
.pulse-showcase video, .pulse-showcase img { display: block; width: 100%; height: 100%; object-fit: cover; }
.pulse-showcase [hidden] { display: none; }
.pulse-loader-progress { display: grid; gap: 8px; width: min(100%, 320px); }
.pulse-loader-progress-labels { display: flex; justify-content: space-between; align-items: baseline; min-height: 22px; }
#status-progress { width: 100%; height: 3px; border: 0; border-radius: 2px; overflow: hidden; accent-color: var(--pulse-cyan); }
#status-progress::-webkit-progress-bar { background: rgba(98, 213, 255, 0.16); border-radius: 3px; }
#status-progress::-webkit-progress-value { background: var(--pulse-cyan); border-radius: 3px; }
#status-percent { min-width: 3.5ch; text-align: right; font-size: 0.88rem; font-variant-numeric: tabular-nums; }
#status-phase { color: var(--pulse-muted); font-size: 0.84rem; }
#status-notice { display: none; max-width: 360px; line-height: 1.5; text-align: center; }
#status.pulse-loading-failed .pulse-loader-progress { display: none; }
#status.pulse-loading-failed #status-notice { display: block; }
@media (prefers-reduced-motion: reduce) { #status-showcase { display: none; } #status-poster { display: block; } }

@media (max-width: 720px) {
    .pulse-showcase { width: min(320px, calc(100vw - 44px), 56dvh); }
    .pulse-page { padding-inline: 16px; }
    .pulse-share-modal { padding: 16px; gap: 12px; }
    .pulse-share-preview { width: min(84vw, 340px, calc(100dvh - 320px)); min-width: min(84vw, 220px); }
    .pulse-share-message { font-size: 0.82rem; }
    .pulse-brand { margin-bottom: 22px; }
    button.pulse-card { min-height: 150px; padding: 20px; }
    .pulse-card--primary { min-height: 166px !important; }
    .pulse-levels-hero { min-height: 0; padding: 20px; border-radius: 24px; }
    .pulse-chapter summary { grid-template-columns: 44px minmax(0, 1fr) 30px; gap: 11px; padding: 12px 13px; }
    .pulse-medallion { width: 42px; height: 42px; font-size: 1rem; }
    .pulse-chapter-name { font-size: 1.15rem; }
    .pulse-chapter-subtitle { font-size: 0.9rem; }
    .pulse-chapter-count { grid-column: 2; grid-row: 2; justify-self: start; font-size: 0.92rem; text-align: left; }
    .pulse-chapter .pulse-chevron { grid-column: 3; grid-row: 1 / span 2; }
    .pulse-level-row { grid-template-columns: 34px minmax(0, 1fr) 112px; gap: 8px; min-height: 76px; padding: 9px 8px; }
    .pulse-level-status { grid-template-columns: 24px 80px; gap: 8px; }
    .pulse-level-row .pulse-level-play { width: 80px; padding-inline: 7px; }
    .pulse-gameplay-hud { padding-inline: 14px; }
    .pulse-gameplay--tutorial .pulse-gameplay-hud { padding-inline: 16px; }
    .pulse-gameplay--tutorial .pulse-gameplay-title { font-size: clamp(1.2rem, 5.2vw, 1.55rem); }
    .pulse-gameplay--tutorial .pulse-gameplay-status { font-size: clamp(0.84rem, 3.7vw, 1rem); }
    .pulse-gameplay--tutorial .pulse-tutorial-primary { width: min(420px, calc(100vw - 40px)); }
    .pulse-gameplay--tutorial-ready .pulse-gameplay-hud { padding-top: clamp(38px, 7vh, 58px); }
    .pulse-gameplay--tutorial-ready .pulse-gameplay-actions { inset: clamp(360px, 52vh, 470px) 0 auto; }
    .pulse-gameplay--tutorial-ready .pulse-tutorial-ready-logo { width: clamp(88px, 18vw, 118px); }
    .pulse-gameplay--tutorial-ready .pulse-tutorial-primary { width: min(320px, calc(100vw - 64px)); }
    .pulse-stage-slot { padding-inline: 5px; }
    .pulse-run + .pulse-run { border-left: 0; border-top: 1px solid rgba(173, 184, 204, 0.22); }
}

@media (max-height: 740px) and (min-width: 721px) {
    .pulse-gameplay-hud { padding-top: 8px; }
    .pulse-gameplay-actions { min-height: 64px; }
}

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