.focus-page {
    --focus-text: #e8eeea;
    --focus-text-muted: rgba(232, 238, 234, 0.72);
    --focus-accent: #00d4aa;
    --focus-accent-ink: #07241c;
    --focus-surface: rgba(18, 22, 24, 0.72);
    --focus-glow: rgba(0, 212, 170, 0.22);
    --focus-page-bg: #121816;
    color: var(--focus-text);
    min-height: 100vh;
    background:
        radial-gradient(ellipse 80% 50% at 50% -10%, var(--focus-glow), transparent 58%),
        var(--focus-page-bg);
    transition: background 0.45s ease;
}

.focus-page[data-mode="pomodoro"] {
    --focus-glow: rgba(0, 212, 170, 0.24);
    --focus-page-bg: #121816;
    --focus-accent: #00d4aa;
    --focus-accent-ink: #07241c;
}

.focus-page[data-mode="short"] {
    --focus-glow: rgba(232, 176, 92, 0.22);
    --focus-page-bg: #18140f;
    --focus-accent: #e8b05c;
    --focus-accent-ink: #2a1d08;
}

.focus-page[data-mode="long"] {
    --focus-glow: rgba(123, 104, 238, 0.28);
    --focus-page-bg: #14131c;
    --focus-accent: #9b8cff;
    --focus-accent-ink: #16122a;
}

.focus-page #site-header-mount .site-nav {
    background: rgba(10, 12, 14, 0.72);
    border-bottom-color: rgba(255, 255, 255, 0.06);
    backdrop-filter: blur(16px);
}

.focus-page #site-header-mount .site-nav a {
    color: var(--focus-text-muted);
}

.focus-page #site-header-mount .site-nav a:hover,
.focus-page #site-header-mount .site-nav a[aria-current="page"] {
    color: var(--focus-text);
    background: rgba(255, 255, 255, 0.06);
}

.focus-page #site-header-mount .site-nav a[aria-current="page"] {
    color: var(--focus-accent);
}

.focus-page footer {
    background: rgba(10, 12, 14, 0.72);
    border-top-color: rgba(255, 255, 255, 0.06);
}

.focus-main {
    max-width: 520px;
    margin: 0 auto;
    padding: 3rem 1.25rem 1.5rem;
    text-align: center;
}

.focus-card {
    background: var(--focus-surface);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-xl);
    padding: 1.5rem 1.35rem 2.1rem;
    box-shadow: var(--shadow-card);
    backdrop-filter: blur(18px);
}

.focus-modes {
    display: flex;
    justify-content: center;
    gap: 0.4rem;
    margin-bottom: 1.35rem;
}

.focus-mode {
    appearance: none;
    border: 1px solid transparent;
    background: transparent;
    color: var(--focus-text-muted);
    font: inherit;
    font-size: 0.92rem;
    font-weight: 500;
    padding: 0.45rem 0.9rem;
    border-radius: 999px;
    cursor: pointer;
}

.focus-mode:focus-visible,
.focus-start:focus-visible,
.focus-skip:focus-visible,
.focus-log-toggle:focus-visible {
    outline: 2px solid var(--focus-accent);
    outline-offset: 3px;
}

.focus-mode.is-active {
    color: var(--focus-accent-ink);
    background: var(--focus-accent);
    border-color: var(--focus-accent);
}

.focus-time {
    font-size: clamp(4.6rem, 16vw, 7rem);
    font-weight: 700;
    line-height: 1;
    letter-spacing: -0.04em;
    font-variant-numeric: tabular-nums;
    color: var(--focus-text);
    margin: 0.35rem 0 1.35rem;
}

.focus-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.85rem;
}

.focus-start {
    appearance: none;
    border: 0;
    min-width: 200px;
    padding: 0.95rem 2rem;
    border-radius: 14px;
    background: var(--focus-accent);
    color: var(--focus-accent-ink);
    font: inherit;
    font-size: 1.2rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    cursor: pointer;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.28);
}

.focus-start:hover {
    filter: brightness(1.06);
}

.focus-page.is-running .focus-start {
    background: transparent;
    color: var(--focus-text);
    border: 1px solid rgba(255, 255, 255, 0.18);
    box-shadow: none;
}

.focus-skip {
    appearance: none;
    border: 0;
    background: transparent;
    color: var(--focus-text-muted);
    font: inherit;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: underline;
    text-underline-offset: 3px;
}

.focus-sound-test {
    appearance: none;
    display: inline-block;
    margin-top: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.16);
    background: transparent;
    color: var(--focus-text-muted);
    font: inherit;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    padding: 0.35rem 0.75rem;
    border-radius: 999px;
    cursor: pointer;
}

.focus-sound-test:hover,
.focus-sound-test:focus-visible {
    color: var(--focus-text);
    border-color: var(--focus-accent);
}

.focus-log-toggle {
    appearance: none;
    display: inline-block;
    margin-top: 0.65rem;
    margin-left: 0.35rem;
    border: 1px solid rgba(255, 255, 255, 0.16);
    background: transparent;
    color: var(--focus-text-muted);
    font: inherit;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    padding: 0.35rem 0.75rem;
    border-radius: 999px;
    cursor: pointer;
}

.focus-log-toggle:hover {
    color: var(--focus-text);
    border-color: var(--focus-accent);
}

.focus-log-toggle.is-on {
    color: var(--focus-accent-ink);
    background: var(--focus-accent);
    border-color: var(--focus-accent);
}

.focus-report {
    text-align: left;
}

.focus-report-empty,
.focus-report-note,
.focus-report-range {
    color: var(--focus-text-muted);
    font-size: 0.92rem;
    line-height: 1.6;
}

.focus-report-range {
    font-weight: 600;
    color: var(--focus-text);
    margin: 0 0 1rem;
}

.focus-report-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.focus-stat {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 14px;
    padding: 0.85rem 0.9rem;
}

.focus-stat-label {
    display: block;
    font-size: 0.75rem;
    color: var(--focus-text-muted);
    margin-bottom: 0.3rem;
}

.focus-stat-value {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--focus-text);
}

.focus-page.is-report .focus-round,
.focus-page.is-report .focus-message {
    visibility: hidden;
}

#focus-log-stop {
    margin-top: 0.5rem;
}

.focus-round {
    margin: 1.35rem 0 0.25rem;
    color: var(--focus-text-muted);
    font-weight: 500;
}

.focus-message {
    margin: 0;
    color: var(--focus-text);
    font-size: 1.1rem;
    font-weight: 600;
}

.focus-about {
    max-width: 640px;
    margin: 0 auto;
    padding: 2.5rem 1.25rem 4rem;
    text-align: center;
}

.focus-about h1 {
    font-size: 1.35rem;
    margin-bottom: 0.75rem;
    color: var(--focus-text);
}

.focus-about p {
    color: var(--focus-text-muted);
    line-height: 1.7;
}

.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;
}

@media (max-width: 480px) {
    .focus-modes {
        flex-wrap: wrap;
    }

    .focus-report-grid {
        grid-template-columns: 1fr;
    }

    .focus-start {
        min-width: 160px;
        font-size: 1.05rem;
    }
}