:root {
    color-scheme: dark;
    --bg: #323437;
    --panel: #2c2e31;
    --text: #d1d0c5;
    --muted: #646669;
    --accent: #e2b714;
    --error: #ca4754;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-width: 320px;
    min-height: 100vh;
    background: var(--bg);
    color: var(--text);
    font-family: "JetBrains Mono", "Fira Code", monospace;
}

button,
select {
    font: inherit;
}

.app-shell {
    width: min(1100px, calc(100% - 40px));
    margin: 0 auto;
    padding: 34px 0 50px;
}

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.brand-lockup {
    display: flex;
    align-items: baseline;
    gap: 10px;
}

.brand {
    color: var(--text);
    text-decoration: none;
    font-size: clamp(1.25rem, 3vw, 1.65rem);
    font-weight: 600;
    letter-spacing: -.08em;
}

.brand span {
    color: var(--accent);
}

.credit {
    color: var(--muted);
    font-size: .62rem;
    white-space: nowrap;
}

.live-stats {
    display: flex;
    gap: 22px;
    color: var(--accent);
}

.live-stats div {
    display: flex;
    align-items: baseline;
    gap: 4px;
}

.live-stats span {
    font-size: 1.4rem;
}

.live-stats small,
small {
    color: var(--muted);
    font-size: .66rem;
}

.controls {
    display: flex;
    flex-wrap: wrap;
    gap: 13px 19px;
    align-items: end;
    padding: 28px 0 25px;
    border-bottom: 1px solid #3c3e42;
    color: var(--muted);
    font-size: .72rem;
}

.controls label,
.control-group {
    display: flex;
    flex-direction: column;
    gap: 7px;
}

.control-group {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    gap: 5px;
}

.control-group>span {
    width: 100%;
}

select {
    max-width: 230px;
    border: 0;
    outline: 0;
    background: transparent;
    color: var(--text);
    cursor: pointer;
}

select:disabled {
    color: var(--muted);
    cursor: wait;
}

.choice,
.restart,
#try-again {
    border: 0;
    border-radius: 5px;
    background: transparent;
    color: var(--muted);
    padding: 3px 6px;
    cursor: pointer;
}

.choice:hover,
.restart:hover {
    color: var(--text);
}

.choice.active {
    color: var(--accent);
    background: #3b3d40;
}

.restart {
    margin-left: auto;
    color: var(--accent);
    font-size: 1.45rem;
    padding: 0 5px;
    line-height: 1;
}

.restart:hover {
    transform: rotate(-25deg);
}

.test-panel {
    position: relative;
    padding-top: 48px;
}

.timer {
    min-height: 26px;
    color: var(--accent);
    font-size: 1.55rem;
    font-weight: 600;
}

.timer.hidden {
    visibility: hidden;
}

.status-message {
    min-height: 22px;
    color: var(--muted);
    font-size: .8rem;
}

.status-message.error {
    color: var(--error);
}

.status-message:empty {
    display: none;
}

.code-display {
    position: relative;
    margin-top: 20px;
    min-height: 170px;
    color: var(--muted);
    font-size: clamp(1rem, 2.25vw, 1.32rem);
    line-height: 1.9;
    letter-spacing: .015em;
    white-space: pre-wrap;
    word-break: break-word;
    cursor: text;
    user-select: none;
}

.code-display:focus {
    outline: none;
}

.char {
    position: relative;
}

.char.correct {
    color: var(--text);
}

.char.incorrect {
    color: var(--error);
    text-decoration: underline;
    text-decoration-thickness: 2px;
    text-underline-offset: 4px;
}

.char.current::before {
    content: "";
    position: absolute;
    top: .08em;
    left: -.055em;
    width: 2px;
    height: 1.22em;
    background: var(--accent);
    border-radius: 2px;
    animation: blink 1s step-end infinite;
}

.char.space.current::before {
    left: 0;
}

@keyframes blink {
    50% {
        opacity: 0;
    }
}

.hint {
    margin-top: 20px;
    color: var(--muted);
    font-size: .7rem;
}

kbd {
    border: 1px solid #55575a;
    border-radius: 3px;
    padding: 1px 4px;
    font-family: inherit;
}

.results {
    max-width: 600px;
    margin: 54px auto 0;
    text-align: center;
}

.hidden {
    display: none;
}

.result-eyebrow {
    color: var(--muted);
    font-size: .75rem;
}

.result-main {
    color: var(--accent);
}

.result-main strong {
    font-size: clamp(4.5rem, 18vw, 8rem);
    font-weight: 500;
    letter-spacing: -.1em;
}

.result-main span {
    margin-left: 15px;
    font-size: 1.1rem;
}

.result-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: 16px;
    margin: 32px 0;
}

.result-grid div {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.result-grid span {
    color: var(--text);
    font-size: 1.25rem;
}

.result-actions {
    display: flex;
    justify-content: center;
    gap: 10px;
}

#try-again,
.next-text {
    padding: 10px 17px;
    font-size: .82rem;
}

#try-again {
    color: var(--bg);
    background: var(--accent);
}

.next-text {
    color: var(--text);
    border: 1px solid #55575a;
}

.next-text:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.test-panel.test-over {
    display: none;
}

@media (max-width: 620px) {
    .app-shell {
        width: min(100% - 28px, 1100px);
        padding-top: 22px;
    }

    .controls {
        gap: 13px;
    }

    .restart {
        margin-left: 0;
    }

    .code-display {
        line-height: 1.75;
    }

    .result-grid {
        gap: 8px;
    }
}

/* VS Code-inspired workbench. The base view remains the default. */
body.vscode-mode {
    background: #1e1e1e;
    font-family: "JetBrains Mono", "Cascadia Code", Consolas, monospace;
}

.vscode-mode .app-shell {
    width: 100%; max-width: none; min-height: 100vh; margin: 0; padding: 0;
    display: grid; grid-template-rows: 35px minmax(0, 1fr) 22px;
    background: #1e1e1e;
}
.vscode-mode .topbar {
    grid-row: 1; min-width: 0; padding: 0 12px; background: #181818;
    border-bottom: 1px solid #2b2b2b;
}
.vscode-mode .brand-lockup { gap: 9px; }
.vscode-mode .brand { font-size: .78rem; letter-spacing: 0; color: var(--text); }
.vscode-mode .brand::before { content: "◫"; color: var(--accent); margin-right: 7px; font-size: 1rem; }
.vscode-mode .brand span, .vscode-mode .credit { display: none; }
.vscode-mode .live-stats { position: absolute; left: 50%; transform: translateX(-50%); gap: 17px; }
.vscode-mode .live-stats span { font-size: .72rem; color: var(--text); }
.vscode-mode .live-stats small { margin-left: 2px; font-size: .6rem; color: var(--muted); }
.vscode-mode .appearance-toggle { margin-left: auto; border: 0; border-radius: 3px; padding: 5px 8px; color: var(--text); }
.vscode-mode .appearance-toggle:hover { background: #2a2d2e; color: var(--text); }

.vscode-mode .ide-workbench { grid-row: 2; min-height: 0; display: grid; grid-template-columns: 48px 245px minmax(0, 1fr); }
.vscode-mode .ide-activitybar { display: flex; flex-direction: column; align-items: center; gap: 6px; padding: 7px 0; background: #181818; border-right: 1px solid #2b2b2b; }
.vscode-mode .activity-icon { width: 48px; height: 42px; border: 0; border-left: 2px solid transparent; background: transparent; color: var(--muted); font-size: 1.28rem; cursor: pointer; }
.vscode-mode .activity-icon:hover { color: var(--text); }
.vscode-mode .activity-icon.active { color: var(--text); border-left-color: var(--text); }
.vscode-mode .activity-bottom { margin-top: auto; }
.vscode-mode .ide-sidebar { display: block; min-width: 0; overflow: hidden; background: #252526; border-right: 1px solid #2b2b2b; color: var(--text); font-size: .68rem; }
.vscode-mode .sidebar-heading { display: flex; justify-content: space-between; padding: 13px 18px 12px 20px; color: var(--muted); font-size: .67rem; letter-spacing: .03em; }
.vscode-mode .project-name { padding: 5px 20px; background: #252526; font-weight: 600; font-size: .7rem; }
.vscode-mode .project-name span, .vscode-mode .sidebar-section span { float: right; }
.vscode-mode .file-tree { padding: 3px 0 11px; }
.vscode-mode .tree-folder, .vscode-mode .tree-file { overflow: hidden; padding: 5px 14px 5px 24px; white-space: nowrap; text-overflow: ellipsis; color: var(--text); }
.vscode-mode .tree-file { padding-left: 39px; color: var(--text); }
.vscode-mode .tree-file.active { background: #37373d; color: var(--text); }
.vscode-mode .sidebar-section { padding: 8px 20px; border-top: 1px solid #313131; color: var(--muted); font-size: .67rem; }

.vscode-mode .editor-workspace { display: flex; position: relative; min-width: 0; overflow: auto; flex-direction: column; background: #1e1e1e; }
.vscode-mode .ide-tabs { display: flex; flex: 0 0 35px; background: #181818; border-bottom: 1px solid #252526; }
.vscode-mode .ide-tab { display: flex; align-items: center; gap: 8px; min-width: 155px; padding: 0 10px; border-right: 1px solid #2b2b2b; color: var(--muted); font-size: .68rem; }
.vscode-mode .ide-tab.active { background: #1e1e1e; color: var(--text); border-top: 1px solid var(--accent); }
.vscode-mode .ide-tab span { color: var(--accent); font-size: .62rem; }.vscode-mode .ide-tab b { margin-left: auto; font-weight: 400; }
.vscode-mode .ide-breadcrumb { display: block; flex: 0 0 28px; padding: 7px 22px; color: var(--muted); border-bottom: 1px solid #252526; font-size: .65rem; }
.vscode-mode .ide-breadcrumb strong { color: var(--text); font-weight: 400; }
.vscode-mode .controls { order: 2; display: flex; gap: 8px 15px; align-items: center; padding: 11px 22px; border-bottom: 1px solid #2b2b2b; background: #1e1e1e; font-size: .63rem; }
.vscode-mode .controls label { flex-direction: row; align-items: center; gap: 6px; }.vscode-mode .control-group { gap: 4px; }.vscode-mode .control-group > span { width: auto; margin-right: 2px; }
.vscode-mode select { max-width: 165px; padding: 3px; border: 1px solid #3c3c3c; border-radius: 2px; background: #3c3c3c; font-size: .65rem; }
.vscode-mode .choice { border-radius: 2px; padding: 3px 6px; }.vscode-mode .choice.active { background: #094771; color: var(--text); }.vscode-mode .restart { margin-left: auto; font-size: 1rem; }
.vscode-mode .test-panel { order: 3; flex: 1; width: min(980px, 100%); margin: 0 auto; padding: 42px 48px; }
.vscode-mode .status-message { color: var(--muted); font-size: .72rem; }.vscode-mode .timer { color: var(--accent); font-size: 1.25rem; }.vscode-mode .code-display { margin-top: 24px; min-height: 190px; color: var(--muted); font-size: clamp(.9rem, 1.7vw, 1.1rem); line-height: 1.95; letter-spacing: 0; }
.vscode-mode .char.correct { color: var(--text); }.vscode-mode .char.incorrect { color: var(--error); }.vscode-mode .char.current::before { background: var(--accent); }
.vscode-mode .hint { font-size: .65rem; }.vscode-mode kbd { border-color: #555; background: #2d2d2d; }
.vscode-mode .results { order: 3; width: min(600px, calc(100% - 48px)); margin: 52px auto; }.vscode-mode .result-main { color: var(--accent); }.vscode-mode #try-again { background: #0e639c; color: var(--bg); }.vscode-mode .next-text { border-color: #555; background: #333; }
.vscode-mode .ide-statusbar { display: flex; align-items: center; gap: 15px; overflow: hidden; padding: 0 9px; background: #007acc; color: var(--text); font-family: "Segoe UI", sans-serif; font-size: .68rem; white-space: nowrap; }.vscode-mode .status-spacer { flex: 1; }

@media (max-width: 760px) {
    .vscode-mode .ide-workbench { grid-template-columns: 42px minmax(0, 1fr); }
    .vscode-mode .ide-sidebar { display: none; }
    .vscode-mode .activity-icon { width: 42px; }
    .vscode-mode .controls { align-items: flex-start; padding: 10px 16px; }.vscode-mode .test-panel { padding: 28px 22px; }
    .vscode-mode .live-stats { display: none; }.vscode-mode .credit { display: none; }
}

.appearance-toggle {
    margin-left: 18px;
    border: 1px solid #55575a;
    border-radius: 4px;
    background: transparent;
    color: var(--text);
    padding: 6px 9px;
    font-size: .7rem;
    cursor: pointer;
}

.appearance-toggle:hover { border-color: var(--accent); color: var(--accent); }
.ide-activitybar, .ide-sidebar, .ide-tabs, .ide-breadcrumb, .ide-statusbar { display: none; }
.editor-workspace { display: contents; }