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

:root {
    --font-sans: "Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --font-mono: "JetBrains Mono", ui-monospace, "Courier New", monospace;
    --teal-400: #2dd4bf;
    --teal-500: #14b8a6;
    --teal-600: #0d9488;
    --cta: #f97316;
    --bg-void: #050807;
    --bg-deep: #0a1210;
    --bg-card: rgba(17, 32, 28, 0.78);
    --border-subtle: rgba(94, 234, 212, 0.14);
    --border-strong: rgba(94, 234, 212, 0.32);
    --text-main: #e7fbf7;
    --text-muted: #9db8b3;
    --text-faint: #6b827d;
    --green-text: #34d399;
    --red-text: #f87171;
    --mistake-soft: #fbbf24;
    --mistake-soft-bg: rgba(251, 191, 36, 0.12);
    --grey-text: #647a75;
    --cursor-color: rgba(249, 115, 22, 0.35);
    --stat-text-color: #5eead4;
    --accent-surface: rgba(12, 24, 21, 0.85);
    --radius-sm: 10px;
    --radius-md: 14px;
    --radius-lg: 18px;
    --shadow-soft: 0 18px 50px rgba(0, 0, 0, 0.42);
    --transition: 200ms ease;
}

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

body {
    font-family: var(--font-sans);
    background: radial-gradient(ellipse 120% 80% at 50% -20%, rgba(13, 148, 136, 0.22), transparent 50%),
        var(--bg-void);
    color: var(--text-main);
    min-height: 100vh;
    min-height: 100dvh;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
    transition: background-color 280ms ease, color 280ms ease;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.skip-link {
    position: absolute;
    top: -120px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 9999;
    padding: 0.55rem 1.1rem;
    border-radius: 999px;
    background: var(--teal-600);
    color: #fff;
    font-weight: 700;
    font-size: 0.875rem;
    text-decoration: none;
    transition: top 180ms ease;
}

.skip-link:focus {
    top: 0.75rem;
    outline: 2px solid var(--cta);
    outline-offset: 3px;
}

.container {
    width: 100%;
    max-width: 1080px;
    margin-inline: auto;
    padding-inline: clamp(18px, 4vw, 28px);
}

/* Nav */
.game-nav {
    position: sticky;
    top: 0;
    z-index: 50;
    padding: clamp(10px, 2vw, 16px);
    pointer-events: none;
}

.game-nav-shell {
    max-width: 1120px;
    margin-inline: auto;
    pointer-events: auto;
}

.game-nav-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    padding: 0.55rem 1rem;
    border-radius: var(--radius-lg);
    background: color-mix(in srgb, var(--bg-deep) 90%, transparent);
    border: 1px solid var(--border-subtle);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.38);
}

.game-nav-link {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.4rem 0.65rem;
    margin: -0.4rem -0.65rem;
    border-radius: var(--radius-sm);
    color: var(--teal-400);
    font-weight: 700;
    font-size: 0.9rem;
    text-decoration: none;
    cursor: pointer;
    transition: color var(--transition), background var(--transition);
}

.game-nav-link .icon-20 {
    width: 20px;
    height: 20px;
}

.game-nav-link:hover {
    color: var(--stat-text-color);
}

.game-nav-link:focus-visible {
    outline: 2px solid var(--cta);
    outline-offset: 3px;
}

.game-nav-brand {
    display: flex;
    align-items: center;
    gap: 0.45rem;
    color: var(--text-muted);
    font-weight: 800;
    font-size: 0.85rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.game-nav-logo {
    display: flex;
    color: var(--teal-400);
}

/* Main */
.game-main {
    padding-block: clamp(0.75rem, 2vw, 1.75rem) 3rem;
}

.game-toolbar {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
    margin-bottom: clamp(1.25rem, 3vw, 1.85rem);
    transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
}

@media (min-width: 980px) {
    .game-toolbar {
        grid-template-columns: minmax(0, 1.45fr) minmax(340px, 1fr);
        align-items: stretch;
    }
}

.game-toolbar-card {
    padding: clamp(1rem, 3vw, 1.35rem);
    border-radius: var(--radius-lg);
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.controls-row {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    gap: 1.25rem;
}

.controls-card,
.stats-wrap {
    transition: opacity 240ms ease;
}

.field-group {
    flex: 1 1 170px;
    min-width: 0;
}

.collection-field {
    flex: 2 1 430px;
}

.difficulty-field {
    flex: 1 1 260px;
}

.option-field {
    min-inline-size: 0;
    margin: 0;
    padding: 0;
    border: 0;
}

.field-group > label:first-of-type,
.option-field > legend {
    display: block;
    padding: 0;
    font-weight: 800;
    font-size: 0.72rem;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    color: var(--text-faint);
    margin-bottom: 0.45rem;
}

.field-hint {
    margin-top: 0.4rem;
    font-size: 0.75rem;
    color: var(--text-faint);
    line-height: 1.45;
}

.segmented-options {
    display: grid;
    gap: 0.5rem;
}

.collection-options {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.difficulty-options {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.segmented-option {
    position: relative;
    min-width: 0;
    cursor: pointer;
    user-select: none;
}

.segmented-option input {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    opacity: 0;
    clip-path: inset(50%);
    pointer-events: none;
}

.segmented-option span {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
    width: 100%;
    min-height: 44px;
    padding: 0.6rem 0.65rem;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    background: rgba(12, 24, 21, 0.68);
    color: var(--text-muted);
    font-size: 0.82rem;
    font-weight: 700;
    line-height: 1;
    white-space: nowrap;
    transition: color var(--transition), background var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.segmented-option span::before {
    content: "\2713";
    width: 0.75rem;
    color: var(--cta);
    opacity: 0;
    transform: scale(0.7);
    transition: opacity var(--transition), transform var(--transition);
}

.segmented-option input:not(:disabled) + span:hover {
    border-color: var(--border-strong);
    background: rgba(45, 212, 191, 0.08);
    color: var(--text-main);
}

.segmented-option input:checked + span {
    border-color: rgba(249, 115, 22, 0.72);
    background: rgba(249, 115, 22, 0.14);
    color: var(--text-main);
    box-shadow: inset 0 0 0 1px rgba(249, 115, 22, 0.14), 0 0 18px rgba(249, 115, 22, 0.08);
}

.segmented-option input:checked + span::before {
    opacity: 1;
    transform: scale(1);
}

.segmented-option input:focus-visible + span {
    outline: 2px solid var(--cta);
    outline-offset: 2px;
}

.toggles {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
}

.toggle {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    cursor: pointer;
    user-select: none;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-main);
    min-height: 44px;
}

.toggle input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-ui {
    position: relative;
    width: 44px;
    height: 26px;
    border-radius: 999px;
    background: rgba(45, 212, 191, 0.12);
    border: 1px solid var(--border-subtle);
    flex-shrink: 0;
    transition: background var(--transition), border-color var(--transition);
}

.toggle-ui::after {
    content: "";
    position: absolute;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    top: 2px;
    left: 3px;
    background: var(--text-muted);
    transition: transform var(--transition), background var(--transition);
}

.toggle input:checked + .toggle-ui {
    background: rgba(249, 115, 22, 0.2);
    border-color: rgba(249, 115, 22, 0.45);
}

.toggle input:checked + .toggle-ui::after {
    transform: translateX(16px);
    background: var(--cta);
}

.toggle input:focus-visible + .toggle-ui {
    outline: 2px solid var(--cta);
    outline-offset: 3px;
}

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

.panel-action {
    min-height: 44px;
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-sm);
    background: var(--accent-surface);
    color: var(--text-main);
    font-family: var(--font-sans);
    font-weight: 700;
    cursor: pointer;
    transition: border-color var(--transition), color var(--transition), background var(--transition);
}

.panel-action:hover {
    border-color: var(--teal-400);
    color: var(--teal-400);
}

.panel-action:focus-visible {
    outline: 2px solid var(--cta);
    outline-offset: 2px;
}

/* Stats */
.stats-wrap {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.65rem;
    min-height: 100%;
}

.stat-tile.stat-label {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    min-height: 4.75rem;
    padding: 0.85rem 0.65rem;
    border-radius: var(--radius-md);
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    color: var(--stat-text-color);
    font-weight: 800;
    font-size: clamp(1rem, 2.8vw, 1.2rem);
    letter-spacing: -0.02em;
    font-variant-numeric: tabular-nums;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
    transition: border-color var(--transition), box-shadow var(--transition);
}

@media (max-width: 640px) {
    .stats-wrap {
        grid-template-columns: repeat(3, 1fr);
        gap: 0.4rem;
    }

    .stat-tile.stat-label {
        min-height: 3.5rem;
        padding: 0.65rem 0.3rem;
        font-size: clamp(0.72rem, 3.2vw, 0.95rem);
    }
}

/* Play zone */
.play-zone {
    display: flex;
    flex-direction: column;
    gap: 1.1rem;
}

.play-zone.is-shake {
    animation: mismatch-shake 0.45s ease;
}

.play-zone.is-shake .typing-canvas {
    border-color: rgba(248, 113, 113, 0.55);
}

@keyframes mismatch-shake {
    0%, 100% { transform: translateX(0); }
    20%, 60% { transform: translateX(-6px); }
    40%, 80% { transform: translateX(6px); }
}

@media (prefers-reduced-motion: reduce) {
    .play-zone.is-shake {
        animation: none;
        outline: 2px solid var(--red-text);
        outline-offset: 4px;
        border-radius: var(--radius-lg);
    }
}

.panel {
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-subtle);
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    overflow: hidden;
    box-shadow: var(--shadow-soft);
}

.panel-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    padding: 0.65rem 1rem;
    border-bottom: 1px solid var(--border-subtle);
    background: rgba(0, 0, 0, 0.15);
}

.panel-label {
    font-weight: 800;
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-faint);
}

.panel-badge {
    font-size: 0.7rem;
    font-weight: 700;
    padding: 0.2rem 0.55rem;
    border-radius: 999px;
    border: 1px solid var(--border-subtle);
    color: var(--teal-400);
}

.panel-head-input {
    flex-wrap: wrap;
}

.canvas-label-group {
    display: inline-flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.65rem;
}

.panel-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 0.5rem;
}

.panel-action {
    min-height: 44px;
    padding: 0.4rem 0.7rem;
    color: var(--text-muted);
    font-size: 0.75rem;
}

.focus-action {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

.focus-action svg {
    width: 16px;
    height: 16px;
}

.typing-canvas {
    transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}

.typing-canvas.is-focused {
    border-color: var(--border-strong);
    box-shadow: var(--shadow-soft), 0 0 0 2px color-mix(in srgb, var(--cta) 68%, transparent);
}

.typing-surface {
    position: relative;
    display: flex;
    align-items: center;
    min-height: clamp(320px, 44vh, 520px);
    padding: clamp(1.5rem, 6vw, 4rem);
    cursor: text;
    overflow: visible;
    background:
        radial-gradient(circle at 50% 45%, rgba(45, 212, 191, 0.055), transparent 58%),
        var(--accent-surface);
}

.text-display {
    width: 100%;
    max-width: 76ch;
    margin-inline: auto;
    font-family: var(--font-mono);
    font-size: clamp(1.15rem, 3vw, 1.6rem);
    font-weight: 600;
    line-height: 1.9;
    letter-spacing: 0.02em;
    color: var(--text-main);
    overflow-wrap: normal;
    white-space: pre-wrap;
    word-break: normal;
    hyphens: none;
}

.text-display.is-loading {
    color: var(--text-faint);
    font-style: italic;
    font-weight: 500;
}

.text-display.is-load-error {
    max-width: 62ch;
    color: var(--red-text);
    font-size: clamp(1rem, 2.2vw, 1.2rem);
    font-weight: 600;
    line-height: 1.7;
}

.input-capture {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 2px;
    height: 2px;
    padding: 0;
    border: 0;
    font-size: 16px;
    opacity: 0;
    resize: none;
    pointer-events: none;
    transform: translate(-50%, -50%);
}

.input-capture:focus {
    outline: none;
}

.canvas-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    min-height: 48px;
    padding: 0.65rem 1rem;
    border-top: 1px solid var(--border-subtle);
    background: rgba(0, 0, 0, 0.12);
    color: var(--text-faint);
    font-size: 0.78rem;
}

.canvas-progress {
    flex-shrink: 0;
    font-family: var(--font-mono);
    font-variant-numeric: tabular-nums;
    transition: opacity var(--transition);
}

.canvas-settings-button {
    flex-shrink: 0;
    min-height: 44px;
    padding: 0.45rem 0.7rem;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--text-faint);
    font: 700 0.75rem/1 var(--font-sans);
    white-space: nowrap;
    cursor: pointer;
    transition: border-color var(--transition), color var(--transition), background var(--transition);
}

.canvas-settings-button:hover {
    border-color: var(--border-strong);
    background: color-mix(in srgb, var(--teal-500) 8%, transparent);
    color: var(--teal-400);
}

.canvas-settings-button:focus-visible {
    outline: 2px solid var(--cta);
    outline-offset: 2px;
}

/* Character states — script-generated */
.char-correct {
    color: var(--green-text);
}

.char-wrong {
    color: var(--red-text);
    text-decoration: underline;
    text-underline-offset: 3px;
}

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

.char-cursor {
    background-color: var(--cursor-color);
    border-radius: 3px;
    box-shadow: 0 0 0 1px color-mix(in srgb, var(--cta) 55%, transparent);
}

.text-space {
    position: relative;
}

.text-space-visible::after {
    position: absolute;
    inset-inline-start: 50%;
    top: 50%;
    color: var(--cta);
    content: "·";
    font-weight: 800;
    line-height: 1;
    pointer-events: none;
    transform: translate(-50%, -52%);
}

.char-wrong.text-space-visible::after,
.char-extra.text-space-visible::after {
    color: var(--red-text);
}

.char-extra {
    border-radius: 2px;
    background: color-mix(in srgb, var(--red-text) 14%, transparent);
}

.char-end {
    display: inline-block;
    width: 0.6ch;
    margin-inline-start: 0.08em;
}

.text-token {
    display: inline-block;
    white-space: nowrap;
}

.text-token-long {
    display: inline;
    white-space: normal;
    overflow-wrap: anywhere;
}

.soft-wrap-marker,
.text-newline {
    color: var(--teal-400);
    font-size: 0.72em;
    font-weight: 500;
    opacity: 0.8;
}

.soft-wrap-marker {
    margin-inline-end: 0.25em;
}

.canvas-meta {
    display: inline-flex;
    align-items: center;
    justify-content: flex-end;
    gap: 0.75rem;
    min-width: 0;
}

.canvas-source {
    min-width: 0;
    color: var(--text-faint);
    overflow: hidden;
    text-decoration: none;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.canvas-source:hover {
    color: var(--teal-400);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.canvas-source:focus-visible {
    border-radius: 4px;
    outline: 2px solid var(--cta);
    outline-offset: 3px;
}

.typing-help {
    color: var(--text-faint);
    font-size: 0.75rem;
    text-align: center;
}

.typing-help kbd {
    font-family: var(--font-mono);
    font-size: 0.7rem;
}

/* Zen mode removes evaluative chrome for the full session without shifting the canvas. */
body.zen-mode.zen-active .game-toolbar {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(-8px);
}

body.zen-mode.zen-active.settings-active .game-toolbar {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: none;
}

body.zen-mode.zen-active .canvas-progress {
    opacity: 0;
}

body.zen-mode .char-correct {
    color: var(--text-muted);
}

body.zen-mode .char-wrong {
    color: var(--mistake-soft);
    text-decoration-style: dotted;
}

body.zen-mode .char-wrong.text-space-visible::after,
body.zen-mode .char-extra.text-space-visible::after {
    color: var(--mistake-soft);
}

body.zen-mode .char-extra {
    background: var(--mistake-soft-bg);
}

/* Focus view is permission-free and keeps the exit control inside the canvas. */
body.focus-mode .game-nav,
body.focus-mode .game-toolbar,
body.focus-mode .typing-help {
    display: none;
}

body.focus-mode .game-main {
    display: flex;
    align-items: center;
    width: 100%;
    max-width: none;
    min-height: 100vh;
    min-height: 100dvh;
    padding: clamp(1rem, 4vw, 3rem);
}

body.focus-mode .play-zone {
    width: min(100%, 1180px);
    margin-inline: auto;
}

body.focus-mode .typing-surface {
    min-height: clamp(420px, calc(100dvh - 180px), 760px);
}

body.focus-mode .typing-canvas {
    background: color-mix(in srgb, var(--bg-card) 92%, transparent);
}

@media (max-width: 768px) {
    .controls-row {
        flex-direction: column;
        align-items: stretch;
    }

    .collection-options {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .typing-surface {
        align-items: flex-start;
        min-height: clamp(300px, 48vh, 460px);
        padding: clamp(1.25rem, 7vw, 2rem);
    }

    .text-display {
        font-size: clamp(1rem, 4.5vw, 1.25rem);
        line-height: 1.8;
    }

    .canvas-footer {
        align-items: flex-start;
        flex-direction: column;
        gap: 0.25rem;
    }

    .canvas-meta {
        justify-content: space-between;
        width: 100%;
    }

    body.focus-mode .game-main {
        align-items: flex-start;
        padding: max(0.75rem, env(safe-area-inset-top)) max(0.75rem, env(safe-area-inset-right)) max(0.75rem, env(safe-area-inset-bottom)) max(0.75rem, env(safe-area-inset-left));
    }

    body.focus-mode .typing-surface {
        min-height: calc(100dvh - 190px);
    }
}

/* Completion overlay — replaces native browser alert */
.completion-overlay {
    position: fixed;
    inset: 0;
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: clamp(1rem, 4vw, 2rem);
    pointer-events: none;
}

.completion-overlay[hidden] {
    display: none;
}

.completion-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(5, 8, 7, 0.72);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    opacity: 0;
    transition: opacity 320ms ease;
}

.completion-card {
    position: relative;
    width: min(100%, 420px);
    padding: clamp(1.5rem, 4vw, 2rem);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-strong);
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: var(--shadow-soft), 0 0 0 1px rgba(94, 234, 212, 0.08);
    text-align: center;
    opacity: 0;
    transform: translateY(18px) scale(0.96);
    transition: opacity 280ms ease, transform 360ms cubic-bezier(0.22, 1, 0.36, 1);
}

.completion-overlay.is-visible {
    pointer-events: auto;
}

.completion-overlay.is-visible .completion-backdrop {
    opacity: 1;
}

.completion-overlay.is-visible .completion-card {
    opacity: 1;
    transform: translateY(0) scale(1);
}

.completion-icon {
    display: flex;
    justify-content: center;
    margin-bottom: 1rem;
    color: var(--green-text);
}

.completion-icon svg {
    width: 56px;
    height: 56px;
}

.completion-icon-ring {
    stroke-dasharray: 63;
    stroke-dashoffset: 63;
    transition: stroke-dashoffset 400ms ease 100ms;
}

.completion-icon-check {
    stroke-dasharray: 18;
    stroke-dashoffset: 18;
    transition: stroke-dashoffset 300ms ease 280ms;
}

.completion-overlay.is-visible .completion-icon-ring {
    stroke-dashoffset: 0;
}

.completion-overlay.is-visible .completion-icon-check {
    stroke-dashoffset: 0;
}

.completion-title {
    font-size: clamp(1.35rem, 4vw, 1.65rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--text-main);
    margin-bottom: 0.35rem;
}

.completion-subtitle {
    font-size: 0.95rem;
    color: var(--text-muted);
    margin-bottom: 1.35rem;
}

.completion-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.65rem;
    margin-bottom: 1.35rem;
}

.completion-stat {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    padding: 0.75rem 0.5rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-subtle);
    background: var(--accent-surface);
}

.completion-stat-label {
    font-size: 0.68rem;
    font-weight: 800;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    color: var(--text-faint);
}

.completion-stat-value {
    font-family: var(--font-mono);
    font-size: clamp(1rem, 3vw, 1.15rem);
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    color: var(--stat-text-color);
}

.completion-btn {
    width: 100%;
    padding: 0.85rem 1.25rem;
    border: none;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--cta), #ea580c);
    color: #fff;
    font-family: var(--font-sans);
    font-size: 0.95rem;
    font-weight: 800;
    letter-spacing: 0.02em;
    cursor: pointer;
    transition: transform var(--transition), box-shadow var(--transition), filter var(--transition);
    box-shadow: 0 10px 28px rgba(249, 115, 22, 0.28);
}

.completion-btn:hover {
    filter: brightness(1.05);
    transform: translateY(-1px);
}

.completion-btn:focus-visible {
    outline: 2px solid var(--teal-400);
    outline-offset: 3px;
}

@media (max-width: 480px) {
    .completion-stats {
        grid-template-columns: 1fr;
    }
}