/* ============================================================
   PACE CALCULATOR — scoped CSS
   ============================================================ */
.lpc-tool, .lpc-tool *, .lpc-tool *::before, .lpc-tool *::after { box-sizing: border-box; }
.lpc-tool button { font: inherit; cursor: pointer; }
.lpc-tool input, .lpc-tool select { font: inherit; }

.lpc-tool {
    --lpc-bg: #f7f7f5;
    --lpc-bg-2: #efeeea;
    --lpc-surface: #ffffff;
    --lpc-ink: #0e1014;
    --lpc-ink-soft: #4a4f57;
    --lpc-ink-mute: #8b909a;
    --lpc-line: #e4e3df;
    --lpc-line-strong: #cfceca;
    --lpc-accent: #ff5a1f;
    --lpc-accent-soft: #ffd9c8;
    --lpc-accent-deep: #d83f08;
    --lpc-accent2: #c4f54e;
    --lpc-radius: 14px;
    --lpc-radius-lg: 22px;
    font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: var(--lpc-ink);
    font-size: 16px; line-height: 1.5;
    background: var(--lpc-bg);
    border: 1px solid var(--lpc-line);
    border-radius: var(--lpc-radius-lg);
    padding: 32px;
    margin: 32px 0;
    -webkit-font-smoothing: antialiased;
}
@media (max-width: 600px) {
    .lpc-tool { padding: 22px; margin: 24px 0; border-radius: 16px; }
}

.lpc-tool__head { margin-bottom: 24px; }
.lpc-eyebrow {
    display: inline-flex; align-items: center; gap: 8px;
    font-size: 11.5px; letter-spacing: 0.16em;
    text-transform: uppercase; font-weight: 700;
    color: var(--lpc-accent); margin-bottom: 12px;
}
.lpc-eyebrow__pulse {
    width: 7px; height: 7px; border-radius: 50%;
    background: var(--lpc-accent);
    animation: lpc-pulse 1.8s ease-in-out infinite;
}
@keyframes lpc-pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.15); opacity: 0.8; }
}
.lpc-tool__title {
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    font-weight: 800; letter-spacing: -0.025em;
    line-height: 1.15;
    margin: 0 0 12px;
}
.lpc-tool__summary {
    font-size: 16px; line-height: 1.55;
    color: var(--lpc-ink-soft);
    margin: 0;
    max-width: 600px;
}

/* Tabs */
.lpc-tabs {
    display: flex;
    gap: 6px;
    background: var(--lpc-surface);
    border: 1px solid var(--lpc-line);
    border-radius: 999px;
    padding: 5px;
    margin-bottom: 18px;
    width: fit-content;
    max-width: 100%;
    overflow-x: auto;
}
.lpc-tab {
    border: none;
    background: transparent;
    padding: 9px 18px;
    font-size: 13.5px;
    font-weight: 700;
    border-radius: 999px;
    color: var(--lpc-ink-soft);
    transition: all .15s;
    white-space: nowrap;
}
.lpc-tab:hover { color: var(--lpc-ink); }
.lpc-tab--active {
    background: var(--lpc-ink);
    color: white;
}

/* Panels */
.lpc-panel { display: none; }
.lpc-panel--active { display: block; }

.lpc-label {
    display: block;
    font-size: 12px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    font-weight: 700;
    color: var(--lpc-ink-mute);
    margin: 18px 0 10px;
}

/* Time inputs */
.lpc-pace-input,
.lpc-time-input,
.lpc-distance {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}
.lpc-time-field {
    display: flex;
    align-items: baseline;
    gap: 6px;
    background: var(--lpc-surface);
    border: 2px solid var(--lpc-line);
    border-radius: 12px;
    padding: 10px 14px;
    transition: border-color .15s;
}
.lpc-time-field:focus-within { border-color: var(--lpc-accent); }
.lpc-time-field input {
    width: 56px;
    border: none;
    background: transparent;
    font-size: 22px;
    font-weight: 800;
    font-variant-numeric: tabular-nums;
    color: var(--lpc-ink);
    padding: 0;
    text-align: center;
    -moz-appearance: textfield;
}
.lpc-time-field input::-webkit-outer-spin-button,
.lpc-time-field input::-webkit-inner-spin-button {
    -webkit-appearance: none; margin: 0;
}
.lpc-time-field input:focus { outline: none; }
.lpc-time-field span {
    font-size: 11px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--lpc-ink-mute);
    font-weight: 600;
}
.lpc-colon {
    font-size: 22px;
    font-weight: 800;
    color: var(--lpc-ink-mute);
}
.lpc-suffix {
    font-size: 14px;
    color: var(--lpc-ink-soft);
    font-weight: 600;
}
.lpc-distance select,
.lpc-splits-controls select {
    background: var(--lpc-surface);
    border: 2px solid var(--lpc-line);
    border-radius: 12px;
    padding: 10px 14px;
    font-size: 14.5px;
    font-weight: 600;
    color: var(--lpc-ink);
    cursor: pointer;
    transition: border-color .15s;
}
.lpc-distance select:focus,
.lpc-splits-controls select:focus { outline: none; border-color: var(--lpc-accent); }
.lpc-distance input[data-input="distance-custom"] {
    width: 80px;
    background: var(--lpc-surface);
    border: 2px solid var(--lpc-line);
    border-radius: 12px;
    padding: 10px 14px;
    font-size: 16px;
    font-weight: 700;
    text-align: center;
    color: var(--lpc-ink);
}
.lpc-distance input[data-input="distance-custom"]:focus {
    outline: none; border-color: var(--lpc-accent);
}
.lpc-distance input[data-input="distance-custom"][hidden] { display: none; }
.lpc-distance > span {
    font-size: 14px;
    font-weight: 600;
    color: var(--lpc-ink-soft);
}

/* Presets */
.lpc-presets {
    margin-top: 14px;
}
.lpc-presets summary {
    list-style: none;
    cursor: pointer;
    font-size: 13px;
    font-weight: 700;
    color: var(--lpc-accent);
    padding: 4px 0;
}
.lpc-presets summary::-webkit-details-marker { display: none; }
.lpc-presets summary::before {
    content: '▸ ';
    transition: transform .2s;
    display: inline-block;
}
.lpc-presets[open] summary::before {
    transform: rotate(90deg);
}
.lpc-presets__grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
    gap: 6px;
    margin-top: 10px;
}
.lpc-presets__grid button {
    background: var(--lpc-surface);
    border: 1px solid var(--lpc-line);
    border-radius: 10px;
    padding: 8px 10px;
    font-size: 13px;
    font-weight: 600;
    color: var(--lpc-ink);
    transition: all .15s;
}
.lpc-presets__grid button:hover {
    border-color: var(--lpc-accent);
    color: var(--lpc-accent);
}

/* Result hero */
.lpc-result {
    margin-top: 28px;
    padding: 24px 28px;
    background: var(--lpc-ink);
    color: white;
    border-radius: var(--lpc-radius);
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}
.lpc-result__main {
    display: flex;
    align-items: baseline;
    gap: 10px;
    flex-wrap: wrap;
}
.lpc-result__label {
    font-size: 11.5px;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--lpc-accent2);
    font-weight: 700;
}
.lpc-result__value {
    font-size: clamp(40px, 7vw, 56px);
    font-weight: 900;
    letter-spacing: -0.03em;
    line-height: 1;
    color: white;
    font-variant-numeric: tabular-nums;
}
.lpc-result__unit {
    font-size: 14px;
    color: rgba(255,255,255,0.6);
    font-weight: 600;
}
.lpc-result__alt {
    display: flex;
    gap: 24px;
}
.lpc-result__alt > div {
    display: flex;
    flex-direction: column;
    gap: 3px;
}
.lpc-result__alt-label {
    font-size: 10.5px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.5);
    font-weight: 700;
}
.lpc-result__alt-value {
    font-size: 16px;
    color: white;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
}

/* Section title */
.lpc-section-title {
    font-size: 14px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    font-weight: 700;
    color: var(--lpc-ink-mute);
    margin: 36px 0 14px;
}

/* Race cards grid */
.lpc-races {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 10px;
}
.lpc-race-card {
    background: var(--lpc-surface);
    border: 1px solid var(--lpc-line);
    border-radius: 12px;
    padding: 14px 16px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    transition: border-color .2s, transform .2s;
}
.lpc-race-card:hover {
    border-color: var(--lpc-line-strong);
    transform: translateY(-2px);
}
.lpc-race-card__label {
    font-size: 11.5px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    font-weight: 700;
    color: var(--lpc-ink-mute);
}
.lpc-race-card__time {
    font-size: 22px;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--lpc-ink);
    font-variant-numeric: tabular-nums;
    line-height: 1.1;
}
.lpc-race-card--accent {
    background: var(--lpc-ink);
    border-color: var(--lpc-ink);
}
.lpc-race-card--accent .lpc-race-card__label { color: var(--lpc-accent2); }
.lpc-race-card--accent .lpc-race-card__time { color: white; }

.lpc-note {
    font-size: 12.5px;
    color: var(--lpc-ink-mute);
    margin: 12px 0 0;
    font-style: italic;
}

/* Splits */
.lpc-splits-controls {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 12px;
}
.lpc-splits-controls label {
    font-size: 13px;
    color: var(--lpc-ink-soft);
}
.lpc-splits {
    background: var(--lpc-surface);
    border: 1px solid var(--lpc-line);
    border-radius: var(--lpc-radius);
    padding: 8px 4px;
    max-height: 380px;
    overflow-y: auto;
}
.lpc-splits-table {
    width: 100%;
    border-collapse: collapse;
}
.lpc-splits-table th,
.lpc-splits-table td {
    padding: 10px 14px;
    text-align: left;
    font-size: 14px;
    font-variant-numeric: tabular-nums;
}
.lpc-splits-table th {
    font-size: 11px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--lpc-ink-mute);
    font-weight: 700;
    border-bottom: 1px solid var(--lpc-line);
    background: var(--lpc-bg);
    position: sticky;
    top: 0;
}
.lpc-splits-table td {
    border-bottom: 1px solid var(--lpc-line);
    color: var(--lpc-ink);
}
.lpc-splits-table tr:last-child td { border-bottom: none; }
.lpc-splits-table tr:hover td { background: var(--lpc-bg); }
.lpc-splits-table .lpc-split-num {
    width: 60px;
    color: var(--lpc-ink-mute);
    font-weight: 600;
}
.lpc-splits-table .lpc-split-time {
    font-weight: 700;
}
.lpc-splits-table .lpc-split-cum {
    font-weight: 700;
    color: var(--lpc-accent);
}

@media (prefers-reduced-motion: reduce) {
    .lpc-tool *, .lpc-tool *::before, .lpc-tool *::after {
        animation-duration: 0.001ms !important;
        transition-duration: 0.001ms !important;
    }
}