.pace-table {
    font-family: var(--font-body);
    max-width: 90rem;
    margin: 0 auto;
    width: 100%;
    padding: 1rem;
    box-sizing: border-box;
}

.pace-table * {
    box-sizing: border-box;
}

.navigation {
    margin-bottom: 1.25rem;
}

.nav-steps {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 0.75rem;
}

.nav-step {
    width: 1.5rem;
    height: 1.5rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    border: none;
    background: var(--line-1);
    color: var(--text-secondary-6);
}

.nav-step.active {
    background: var(--navy);
    color: white;
    transform: scale(1.05);
}

.nav-step:hover {
    background: var(--line-3);
}

.nav-step.active:hover {
    background: var(--navy);
}

.nav-line {
    width: 2rem;
    height: 0.125rem;
    margin: 0 0.25rem;
    background: var(--line-1);
    transition: all 0.2s;
}

.nav-line.active {
    background: var(--navy);
}

.nav-labels {
    display: flex;
    justify-content: center;
    gap: 1rem;
    font-size: 0.75rem;
}

.nav-label {
    padding: 0.25rem 0.5rem;
    border-radius: 0.25rem;
    cursor: pointer;
    transition: all 0.2s;
    background: none;
    border: none;
    color: var(--text-secondary-6);
}

.nav-label.active {
    color: var(--navy);
    font-weight: 500;
}

.nav-label:hover {
    color: var(--navy);
    background: var(--bg);
}

.page-title {
    text-align: center;
    margin-bottom: 2rem;
    font-size: 2rem;
    font-weight: bold;
    color: var(--navy);
    line-height: 1.2;
}

.section {
    background: white;
    border-radius: var(--radius-xxl);
    box-shadow: var(--shadow-card);
    border: 1px solid var(--line-1);
    padding: 1rem;
    margin-bottom: 1rem;
}

.section-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--navy);
}

.section-number {
    width: 1.25rem;
    height: 1.25rem;
    background: var(--red);
    color: white;
    font-family: var(--font-mono);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
}

.input-field {
    padding: 0.75rem;
    border: 1px solid var(--line-3);
    border-radius: var(--radius-m);
    background: var(--field-bg);
    text-align: center;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.2s;
    width: 100%;
    box-sizing: border-box;
    background: var(--field-bg);
}

.input-field:focus {
    outline: none;
    border-color: var(--navy);
    box-shadow: 0 0 0 1px var(--navy);
    background: white;
}

.input-field:hover {
    background: white;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    margin-bottom: 0.75rem;
}

.input-label {
    font-size: 0.75rem;
    color: var(--text-secondary-6);
    font-weight: 500;
}

.unit-toggle {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
}

.unit-btn {
    padding: 0.5rem 1rem;
    border: 1px solid var(--line-3);
    border-radius: var(--radius-pill);
    font-size: 0.75rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    background: var(--field-bg);
    color: var(--text-secondary-8);
    flex: 1;
}

.unit-btn.active {
    background: var(--navy);
    color: white;
    border-color: var(--navy);
}

.unit-btn:hover {
    background: var(--line-1);
}

.unit-btn.active:hover {
    background: var(--navy);
}

.pace-range-slider {
    margin-bottom: 1rem;
}

.pace-inputs {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
    gap: 0.75rem;
    margin-top: 0.5rem;
}

.pace-input-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.slider {
    width: 100%;
    height: 0.25rem;
    background: var(--line-3);
    border-radius: 9999px;
    outline: none;
    cursor: pointer;
    -webkit-appearance: none;
    margin-bottom: 0.5rem;
}

.slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 1.25rem;
    height: 1.25rem;
    border-radius: 50%;
    background: var(--red);
    cursor: pointer;
    border: 2px solid white;
    box-shadow: 0 2px 6px rgba(0,0,0,0.2);
    transition: all 0.2s ease;
}

.slider::-webkit-slider-thumb:hover {
    transform: scale(1.1);
}

.slider-labels {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--text-secondary-6);
}

.pace-link-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(7rem, 1fr));
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.pace-link {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--line-3);
    border-radius: 0.5rem;
    font-size: 0.75rem;
    font-weight: 600;
    background: var(--field-bg);
    color: var(--navy);
    text-decoration: none;
    transition: all 0.2s;
}

.pace-link:hover {
    background: var(--line-1);
}

.pace-link.active {
    background: var(--navy);
    color: white;
    border-color: var(--navy);
}

.pace-select {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--line-3);
    border-radius: 0.5rem;
    background: var(--field-bg);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--navy);
    cursor: pointer;
    transition: all 0.2s;
}

.pace-select:focus {
    outline: none;
    border-color: var(--navy);
    box-shadow: 0 0 0 1px var(--navy);
    background: white;
}

.pace-select:hover {
    background: white;
}

.pace-link-lists {
    margin-top: 1rem;
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}

@media (min-width: 768px) {
    .pace-link-lists {
        grid-template-columns: repeat(2, 1fr);
    }
}

.pace-link-list {
    background: var(--field-bg);
    border: 1px solid var(--line-1);
    border-radius: 0.75rem;
    padding: 0.75rem 1rem;
}

.pace-link-list h4 {
    margin: 0 0 0.5rem 0;
    font-size: 0.95rem;
    color: var(--navy);
}

.pace-link-list ul {
    list-style: disc;
    padding-left: 1.25rem;
    margin: 0;
    display: grid;
    gap: 0.35rem;
}

.pace-link-list a {
    color: var(--navy);
    text-decoration: none;
    font-weight: 500;
}

.pace-link-list a:hover {
    text-decoration: underline;
}

.distances-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(8rem, 1fr));
    gap: 0.5rem;
    margin-bottom: 0.75rem;
}

.distance-preset {
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--line-3);
    border-radius: 0.5rem;
    font-size: 0.75rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    background: var(--field-bg);
    color: var(--text-secondary-8);
    text-align: center;
}

.distance-preset.active {
    background: var(--navy);
    color: white;
    border-color: var(--navy);
}

.distance-preset:hover {
    background: var(--line-1);
}

.distance-preset.active:hover {
    background: var(--navy);
}

.input-hint {
    font-size: 0.75rem;
    color: var(--text-secondary-6);
    margin-top: -0.25rem;
    margin-bottom: 0.75rem;
}

.step-toggle {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.step-btn {
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--line-3);
    border-radius: 0.5rem;
    background: var(--field-bg);
    color: var(--navy);
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.step-btn.active {
    background: var(--navy);
    color: white;
    border-color: var(--navy);
}

.step-btn:hover {
    background: var(--line-1);
}

.checkbox-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
}

.checkbox {
    width: 1rem;
    height: 1rem;
    border: 2px solid var(--line-3);
    border-radius: 0.25rem;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.checkbox.checked {
    background: var(--navy);
    border-color: var(--navy);
    color: white;
}

.checkbox.checked::after {
    content: '✓';
    font-size: 0.75rem;
    font-weight: bold;
}

.checkbox-label {
    font-size: 0.875rem;
    color: var(--text-secondary-8);
    cursor: pointer;
}

.pace-table-container {
    overflow-x: auto;
    border-radius: 0.75rem;
    border: 1px solid var(--line-1);
    margin-top: 1rem;
}

.pace-table-grid {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
    background: white;
}

.pace-table-grid th {
    background: var(--navy);
    color: white;
    padding: 0.75rem 0.5rem;
    text-align: center;
    font-weight: 600;
    font-size: 0.75rem;
    position: sticky;
    top: 0;
    z-index: 10;
}

.pace-table-grid td {
    padding: 0.5rem;
    text-align: center;
    border-bottom: 1px solid var(--line-1);
    border-right: 1px solid var(--line-1);
}

.pace-table-grid tr:hover {
    background: var(--field-bg);
}

.pace-column {
    background: var(--field-bg);
    font-weight: 600;
    color: var(--navy);
    border-right: 2px solid var(--line-3);
    min-width: 5rem;
    position: sticky;
    left: 0;
    z-index: 5;
}

.pace-column th {
    background: var(--text-secondary-8);
    border-right: 2px solid var(--text-secondary-6);
}

.dual-pace {
    font-size: 0.75rem;
    color: var(--text-secondary-6);
    font-weight: normal;
}

.summary-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(12rem, 1fr));
    gap: 1rem;
    margin-bottom: 1rem;
}

.stat-card {
    background: var(--field-bg);
    border-radius: 0.5rem;
    padding: 0.75rem;
    border-left: 4px solid var(--navy);
}

.stat-label {
    font-size: 0.75rem;
    color: var(--text-secondary-6);
    margin-bottom: 0.25rem;
}

.stat-value {
    font-size: 1rem;
    font-weight: 600;
    color: var(--navy);
}

/* Mobile First Responsive Design */
@media (max-width: 480px) {
    .page-title {
        font-size: 1.5rem;
        margin-bottom: 1.5rem;
    }

    .pace-table {
        padding: 0.5rem;
    }

    .section {
        padding: 0.75rem;
    }

    .distances-grid {
        grid-template-columns: repeat(auto-fill, minmax(6rem, 1fr));
    }

    .nav-labels {
        gap: 0.5rem;
        font-size: 0.625rem;
    }

    .nav-label {
        padding: 0.25rem 0.375rem;
    }

    .pace-table-grid th,
    .pace-table-grid td {
        padding: 0.375rem 0.25rem;
        font-size: 0.75rem;
    }

    .summary-stats {
        grid-template-columns: 1fr;
    }
}

@media (min-width: 640px) {
    .pace-table {
        max-width: 95vw;
        width: 95%;
    }
}

@media (min-width: 768px) {
    .pace-table {
        max-width: 90vw;
        width: 90%;
    }
}

@media (min-width: 1024px) {
    .pace-table {
        max-width: 85vw;
        width: 85%;
    }
}

@media (min-width: 1280px) {
    .pace-table {
        max-width: 80vw;
        width: 80%;
    }
}