/* Tastaturmester — styles */

:root {
    color-scheme: light dark;

    --bg: #f5f6f8;
    --surface: #ffffff;
    --surface-alt: #eef0f4;
    --border: #d5d9e0;
    --text: #1a1d24;
    --text-muted: #5e6472;
    --accent: #2f6bff;
    --accent-soft: #dee7ff;
    --success: #1f9d55;
    --error: #d23a3a;
    --error-soft: #ffe1e1;
    --pending: #b9bdc7;

    /* Finger colors (used on keys and hands) */
    --f-l-pinky: #e4572e;
    --f-l-ring: #f4a261;
    --f-l-middle: #e9c46a;
    --f-l-index: #6ab04c;
    --f-thumb: #b8b8b8;
    --f-r-index: #22a6b3;
    --f-r-middle: #3d5af1;
    --f-r-ring: #8e44ad;
    --f-r-pinky: #d63384;
}

/* Dark mode follows the system/browser preference. */
@media (prefers-color-scheme: dark) {
    :root {
        --bg: #14161c;
        --surface: #1c1f28;
        --surface-alt: #262a35;
        --border: #333846;
        --text: #eaecf1;
        --text-muted: #99a0af;
        --accent: #6d94ff;
        --accent-soft: #2a3557;
        --success: #4bd18a;
        --error: #ff6b6b;
        --error-soft: #4a1f22;
        --pending: #4a4f5c;
    }
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
}

.top-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 24px;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    flex-wrap: wrap;
    gap: 12px;
}

.site-title {
    margin: 0;
    font-size: 22px;
    font-weight: 700;
    letter-spacing: 0.3px;
}

.controls {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.control {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    color: var(--text-muted);
}

.control select {
    padding: 6px 10px;
    border-radius: 6px;
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text);
    font-size: 14px;
    cursor: pointer;
}

.icon-button {
    background: var(--surface);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 6px 10px;
    cursor: pointer;
    font-size: 16px;
    line-height: 1;
}

.icon-button:hover { background: var(--surface-alt); }

.app {
    max-width: 1200px;
    margin: 0 auto;
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.level-info h2 {
    margin: 0 0 4px;
    font-size: 20px;
}

.level-info p {
    margin: 0;
    color: var(--text-muted);
    font-size: 14px;
}

.layout-warning {
    margin-top: 6px !important;
    padding: 6px 10px;
    background: var(--error-soft);
    color: var(--error);
    border-radius: 6px;
    font-size: 13px !important;
    display: inline-block;
}
.layout-warning.hidden { display: none; }

.stats-bar {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 12px 18px;
}

.stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.stat-label {
    font-size: 12px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-value {
    font-size: 28px;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    line-height: 1.2;
}

.stat-unit {
    font-size: 12px;
    color: var(--text-muted);
}

.typing-area {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 24px;
    outline: none;
    cursor: text;
    min-height: 120px;
    position: relative;
}

.typing-area:focus-within,
.typing-area:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-soft);
}

.text-display {
    font-family: "SF Mono", Menlo, Consolas, "Courier New", monospace;
    font-size: 22px;
    line-height: 1.7;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    white-space: pre-wrap;
    word-break: break-word;
}

.text-display .char {
    position: relative;
    transition: color 80ms linear;
}

.text-display .char.correct { color: var(--success); }
.text-display .char.wrong {
    color: var(--error);
    background: var(--error-soft);
    border-radius: 3px;
}
.text-display .char.current {
    color: var(--text);
    background: var(--accent-soft);
    border-radius: 3px;
    animation: pulse 1s ease-in-out infinite;
}
.text-display .char.space { display: inline-block; min-width: 0.5em; }
.text-display .char.wrong.space { background: var(--error); }

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

.hint {
    position: absolute;
    bottom: 8px;
    right: 12px;
    font-size: 12px;
    color: var(--text-muted);
    pointer-events: none;
}

.hint.hidden { display: none; }

/* Finger hint + hands */

.finger-hint {
    display: flex;
    align-items: center;
    gap: 24px;
    justify-content: center;
    flex-wrap: wrap;
}

.finger-label {
    font-size: 16px;
    color: var(--text-muted);
}

.finger-label #finger-name {
    color: var(--text);
    font-weight: 600;
}

.hands {
    display: flex;
    gap: 12px;
}

.hand-svg {
    width: 130px;
    height: 90px;
}

.hand-svg .finger {
    fill: var(--surface-alt);
    stroke: var(--border);
    stroke-width: 1.5;
    transition: fill 100ms;
}

.hand-svg .palm {
    fill: var(--surface-alt);
    stroke: var(--border);
    stroke-width: 1.5;
}

.hand-svg .finger.active { fill: var(--accent); stroke: var(--accent); }

/* Keyboard */

.keyboard-wrap {
    display: flex;
    justify-content: center;
    overflow-x: auto;
}

.keyboard {
    display: flex;
    flex-direction: column;
    gap: 6px;
    background: var(--surface);
    padding: 14px;
    border-radius: 12px;
    border: 1px solid var(--border);
    user-select: none;
    min-width: 780px;
}

.kb-row {
    display: flex;
    gap: 6px;
}

.kb-key {
    background: var(--surface-alt);
    color: var(--text);
    border: 1px solid var(--border);
    border-bottom-width: 3px;
    border-radius: 6px;
    width: 44px;
    height: 44px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    font-family: "SF Mono", Menlo, Consolas, monospace;
    font-size: 13px;
    position: relative;
    transition: background 80ms, transform 60ms, border-color 80ms;
    padding: 4px;
}

.kb-key .shift-char {
    font-size: 10px;
    color: var(--text-muted);
    line-height: 1;
    align-self: flex-start;
    margin-bottom: 2px;
}

.kb-key .main-char {
    font-size: 14px;
    line-height: 1;
    align-self: flex-end;
}

.kb-key .altgr-char {
    position: absolute;
    right: 4px;
    bottom: 3px;
    font-size: 9px;
    color: var(--accent);
    line-height: 1;
    opacity: 0.8;
}

.kb-key.next .altgr-char { color: rgba(255,255,255,0.9); opacity: 1; }

.kb-key.center .main-char {
    align-self: center;
}
.kb-key.center .shift-char { display: none; }

.kb-key.home-mark::after {
    content: "";
    position: absolute;
    bottom: 4px;
    left: 50%;
    transform: translateX(-50%);
    width: 12px;
    height: 2px;
    background: var(--text-muted);
    border-radius: 2px;
}

.kb-key.next {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
    transform: translateY(-2px);
}
.kb-key.next .shift-char { color: rgba(255,255,255,0.75); }

.kb-key.next-shift {
    background: var(--accent-soft);
    border-color: var(--accent);
}

.kb-key.pressed {
    transform: translateY(1px);
    border-bottom-width: 1px;
}

.kb-key.wrong {
    background: var(--error);
    color: white;
}

/* Finger color stripe (bottom edge) */
.kb-key[data-finger]::before {
    content: "";
    position: absolute;
    top: 2px;
    left: 4px;
    right: 4px;
    height: 3px;
    border-radius: 2px;
    background: var(--finger-color, transparent);
    opacity: 0.6;
}

.kb-key[data-finger="l-pinky"]  { --finger-color: var(--f-l-pinky); }
.kb-key[data-finger="l-ring"]   { --finger-color: var(--f-l-ring); }
.kb-key[data-finger="l-middle"] { --finger-color: var(--f-l-middle); }
.kb-key[data-finger="l-index"]  { --finger-color: var(--f-l-index); }
.kb-key[data-finger="thumb"]    { --finger-color: var(--f-thumb); }
.kb-key[data-finger="r-index"]  { --finger-color: var(--f-r-index); }
.kb-key[data-finger="r-middle"] { --finger-color: var(--f-r-middle); }
.kb-key[data-finger="r-ring"]   { --finger-color: var(--f-r-ring); }
.kb-key[data-finger="r-pinky"]  { --finger-color: var(--f-r-pinky); }

/* Key widths — multiples of base 44px + gap */
.kb-key.w-1_25 { width: 57px; }
.kb-key.w-1_5  { width: 68px; }
.kb-key.w-1_75 { width: 79px; }
.kb-key.w-2    { width: 94px; }
.kb-key.w-2_25 { width: 105px; }
.kb-key.w-2_75 { width: 129px; }
.kb-key.w-6_25 { width: 292px; }

/* ISO Enter — approximate with tall key */
.kb-key.iso-enter {
    width: 57px;
    height: 94px;
    margin-top: -50px;
}

/* Results overlay */
.overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.55);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
}

.overlay.hidden { display: none; }

.results-card {
    background: var(--surface);
    border-radius: 12px;
    padding: 28px;
    max-width: 520px;
    width: 90%;
    border: 1px solid var(--border);
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

.results-card h2 {
    margin: 0 0 20px;
    font-size: 24px;
    text-align: center;
}

.results-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 20px;
}

.result-item {
    background: var(--surface-alt);
    padding: 12px 14px;
    border-radius: 8px;
    text-align: center;
}

.result-label {
    font-size: 12px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
}

.result-value {
    font-size: 24px;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
}

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

.btn {
    padding: 10px 18px;
    border-radius: 6px;
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: background 80ms;
}

.btn:hover { background: var(--surface-alt); }

.btn.primary {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
}
.btn.primary:hover { filter: brightness(1.1); }

.btn.ghost {
    background: transparent;
    border-color: transparent;
    color: var(--text-muted);
}

.footer {
    text-align: center;
    padding: 20px;
    color: var(--text-muted);
    font-size: 13px;
    border-top: 1px solid var(--border);
    margin-top: 20px;
}

@media (max-width: 700px) {
    .stats-bar { grid-template-columns: repeat(2, 1fr); }
    .site-title { font-size: 18px; }
    .text-display { font-size: 18px; }
    .keyboard { transform: scale(0.85); transform-origin: top center; }
}