.page {
    display: none;
    flex: 1;
    overflow: hidden;
}

.page.active {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

#test-container {
    width: 100%;
    max-width: 900px;
    position: relative;
}

.timer-display {
    font-size: 32px;
    color: var(--accent);
    font-weight: 700;
    margin-bottom: 14px;
    user-select: none;
    letter-spacing: -0.5px;
    text-shadow: 0 0 32px var(--accent-glow);
    transition: text-shadow var(--transition);
}

.live-wpm-display {
    position: absolute;
    top: 0;
    right: 0;
    font-size: 12px;
    color: var(--sub);
    user-select: none;
    opacity: 0;
    transform: translateY(-6px);
    transition: var(--transition-smooth);
    pointer-events: none;
    display: flex;
    align-items: baseline;
    gap: 4px;
}

.live-wpm-display.visible {
    opacity: 1;
    transform: translateY(0);
}

.live-wpm {
    color: var(--accent);
    font-weight: 700;
    font-size: 15px;
    text-shadow: 0 0 16px var(--accent-glow);
    transition: var(--transition-smooth);
}

.text-display {
    position: relative;
    font-size: var(--font-size);
    line-height: 1.6;
    height: calc(var(--font-size) * 1.6 * 3 + 4px);
    overflow: hidden;
    cursor: text;
    user-select: none;
    outline: none;
}

.text-display::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 32px;
    background: linear-gradient(to bottom, transparent, var(--bg));
    pointer-events: none;
}

#words-wrapper,
#battle-words-wrapper {
    display: flex;
    flex-wrap: wrap;
    gap: 0;
    transition: transform 0.22s cubic-bezier(0.4, 0, 0.2, 1);
}

.word {
    display: inline-flex;
    margin-right: 0.5em;
    position: relative;
}

.letter {
    display: inline-block;
    color: var(--text-dim);
    transition: color 0.06s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.letter.correct {
    color: var(--correct);
}

.letter.incorrect {
    color: var(--error);
}

.letter.extra {
    color: var(--error-extra);
}

.word.error {
    border-bottom: 2px solid var(--error);
    border-radius: 1px;
}

.caret {
    position: absolute;
    width: 2.5px;
    height: var(--font-size);
    background: var(--caret);
    border-radius: 2px;
    z-index: 10;
    pointer-events: none;
    opacity: 1;
    animation: blink 1.1s cubic-bezier(0.4, 0, 0.2, 1) infinite;
    will-change: left, top;
    box-shadow: 0 0 10px var(--accent-glow), 0 0 20px var(--accent-glow);
}

.caret.smooth {
    transition: left 0.09s cubic-bezier(0.4, 0, 0.2, 1), top 0.09s cubic-bezier(0.4, 0, 0.2, 1);
}

.caret.block {
    width: 0.6em;
    height: calc(var(--font-size) * 1.2);
    opacity: 0.4;
    border-radius: 3px;
}

.caret.underline {
    width: 0.6em;
    height: 3px;
    border-radius: 2px;
    top: auto;
    box-shadow: 0 0 8px var(--accent-glow);
}

.caret.ai-caret {
    background: var(--error);
    opacity: 0.65;
    animation: none;
    box-shadow: 0 0 10px var(--error-glow), 0 0 20px var(--error-glow);
}

.caret.typing {
    animation: none;
    opacity: 1;
}

#typing-input,
#battle-input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
    pointer-events: none;
}

.restart-hint {
    text-align: center;
    margin-top: 24px;
    color: var(--sub);
    font-size: 13px;
    user-select: none;
    opacity: 0.5;
    transition: var(--transition-smooth);
}

.restart-hint:hover {
    opacity: 1;
}

.restart-hint span {
    background: var(--bg-secondary);
    padding: 2px 8px;
    border-radius: var(--radius-xs);
    font-size: 12px;
    border: 1px solid rgba(255, 255, 255, 0.06);
    letter-spacing: 0.04em;
}

.results {
    width: 100%;
    max-width: 900px;
    animation: fadeIn 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.results.hidden {
    display: none;
}

.results-main {
    display: flex;
    gap: 64px;
    margin-bottom: 32px;
    align-items: flex-end;
}

.result-block {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.result-label {
    font-size: 12px;
    color: var(--sub);
    letter-spacing: 0.08em;
    text-transform: lowercase;
}

.result-value {
    font-size: 58px;
    font-weight: 700;
    color: var(--accent);
    line-height: 1.05;
    text-shadow: 0 0 48px var(--accent-glow);
    letter-spacing: -1.5px;
}

.results-details {
    display: flex;
    gap: 36px;
    flex-wrap: wrap;
    margin-bottom: 32px;
    padding: 18px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.result-detail {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.detail-label {
    font-size: 11px;
    color: var(--sub);
    letter-spacing: 0.08em;
    text-transform: lowercase;
}

.detail-value {
    font-size: 18px;
    color: var(--text);
    font-weight: 500;
    letter-spacing: -0.3px;
}

.wpm-chart {
    width: 100%;
    height: 150px;
    margin-bottom: 24px;
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--bg-secondary);
    border: 1px solid rgba(255, 255, 255, 0.03);
}

.wpm-chart canvas {
    width: 100%;
    height: 100%;
    display: block;
}

.restart-btn {
    background: var(--bg-secondary);
    border: 1px solid rgba(255, 255, 255, 0.06);
    color: var(--sub);
    font-family: var(--font);
    font-size: 14px;
    padding: 10px 28px;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-smooth);
    letter-spacing: 0.03em;
}

.restart-btn:hover {
    color: var(--text);
    background: var(--text-dim);
    border-color: transparent;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.restart-btn:active {
    transform: translateY(0);
    box-shadow: none;
}