/**
 * Marathon Pace Calculator Styles
 * 마라톤 페이스 계산기 전용 스타일
 *
 * @package Zipper
 */

/* ========================================
   계산 모드 탭
   ======================================== */

.marathon-mode-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
}

.marathon-mode-tab {
    flex: 1;
    padding: 12px 14px;
    font-size: 13px;
    font-weight: 500;
    color: #5f5a56;
    background: #faf9f7;
    border: 1px solid #e8e4dc;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
    text-align: center;
}

.marathon-mode-tab:hover {
    border-color: #d4af37;
    color: #d4af37;
}

.marathon-mode-tab.active {
    background: linear-gradient(135deg, #d4af37 0%, #b8860b 100%);
    border-color: transparent;
    color: #fff;
}

.marathon-mode-tab i {
    display: block;
    font-size: 18px;
    margin-bottom: 4px;
}

.marathon-mode-tab small {
    display: block;
    font-size: 10px;
    font-weight: 400;
    opacity: 0.8;
    margin-top: 2px;
}

/* ========================================
   설정 행 (거리 + 단위)
   ======================================== */

.marathon-settings-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 14px;
}

.marathon-settings-row .marathon-distance-section {
    flex: 1;
    margin-bottom: 0;
}

.marathon-settings-row .marathon-unit-toggle {
    margin-bottom: 0;
    flex-shrink: 0;
}

/* ========================================
   거리 선택 버튼
   ======================================== */

.marathon-distance-section {
    margin-bottom: 14px;
}

.marathon-distance-label {
    font-size: 12px;
    font-weight: 600;
    color: #5f5a56;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.marathon-distance-label i {
    color: #d4af37;
}

.marathon-distance-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.marathon-distance-btn {
    padding: 8px 14px;
    font-size: 12px;
    font-weight: 500;
    color: #5f5a56;
    background: #faf9f7;
    border: 1px solid #e8e4dc;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
}

.marathon-distance-btn:hover {
    border-color: #d4af37;
    color: #d4af37;
}

.marathon-distance-btn.active {
    background: linear-gradient(135deg, #d4af37 0%, #b8860b 100%);
    border-color: transparent;
    color: #fff;
}

.marathon-distance-btn small {
    display: none;
}

.marathon-custom-distance {
    display: none;
    margin-top: 10px;
}

.marathon-custom-distance.active {
    display: flex;
    align-items: center;
    gap: 8px;
}

.marathon-custom-distance input {
    width: 100px;
    padding: 10px 12px;
    font-size: 14px;
    border: 1px solid #e8e4dc;
    border-radius: 8px;
    background: #faf9f7;
    color: #2d2a26;
}

.marathon-custom-distance input:focus {
    outline: none;
    border-color: #d4af37;
    background: #fff;
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.1);
}

.marathon-custom-distance span {
    font-size: 13px;
    color: #5f5a56;
}

/* ========================================
   단위 전환 토글
   ======================================== */

.marathon-unit-toggle {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 14px;
}

.marathon-unit-toggle-label {
    font-size: 12px;
    font-weight: 600;
    color: #5f5a56;
}

.marathon-unit-switch {
    display: flex;
    background: #faf9f7;
    border: 1px solid #e8e4dc;
    border-radius: 8px;
    overflow: hidden;
}

.marathon-unit-option {
    padding: 6px 14px;
    font-size: 12px;
    font-weight: 500;
    color: #5f5a56;
    cursor: pointer;
    transition: all 0.2s;
    border: none;
    background: transparent;
}

.marathon-unit-option.active {
    background: linear-gradient(135deg, #d4af37 0%, #b8860b 100%);
    color: #fff;
}

/* ========================================
   입력 영역
   ======================================== */

.marathon-input-section {
    background: #faf9f7;
    border: 1px solid #e8e4dc;
    border-radius: 12px;
    padding: 16px;
    margin-bottom: 14px;
}

.marathon-input-row {
    display: flex;
    gap: 10px;
    align-items: center;
    justify-content: center;
}

.marathon-input-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.marathon-input-group input {
    width: 70px;
    padding: 10px 12px;
    font-size: 16px;
    font-weight: 600;
    text-align: center;
    border: 1px solid #e8e4dc;
    border-radius: 8px;
    background: #fff;
    color: #2d2a26;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.marathon-input-group input:focus {
    outline: none;
    border-color: #d4af37;
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.1);
}

.marathon-input-group input::placeholder {
    color: #a09a94;
    font-weight: 400;
}

.marathon-time-separator {
    font-size: 20px;
    font-weight: 700;
    color: #d4af37;
    padding-bottom: 10px;
}

.marathon-pace-unit {
    font-size: 13px;
    color: #5f5a56;
    padding-bottom: 12px;
}

/* ========================================
   스플릿 전략
   ======================================== */

.marathon-split-section {
    margin-bottom: 14px;
}

.marathon-split-label {
    font-size: 12px;
    font-weight: 600;
    color: #5f5a56;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.marathon-split-label i {
    color: #d4af37;
}

.marathon-split-buttons {
    display: flex;
    gap: 8px;
}

.marathon-split-btn {
    flex: 1;
    padding: 10px 12px;
    font-size: 12px;
    font-weight: 500;
    color: #5f5a56;
    background: #faf9f7;
    border: 1px solid #e8e4dc;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
    text-align: center;
}

.marathon-split-btn:hover {
    border-color: #d4af37;
    color: #d4af37;
}

.marathon-split-btn.active {
    background: linear-gradient(135deg, #d4af37 0%, #b8860b 100%);
    border-color: transparent;
    color: #fff;
}

.marathon-split-btn small {
    display: block;
    font-size: 10px;
    opacity: 0.8;
    margin-top: 2px;
}

.marathon-split-intensity {
    display: none;
    margin-top: 10px;
    padding: 10px;
    background: #fff;
    border: 1px solid #e8e4dc;
    border-radius: 8px;
}

.marathon-split-intensity.active {
    display: block;
}

.marathon-split-intensity label {
    display: block;
    font-size: 12px;
    color: #5f5a56;
    margin-bottom: 8px;
}

.marathon-split-slider {
    width: 100%;
    height: 6px;
    appearance: none;
    background: #e8e4dc;
    border-radius: 3px;
    outline: none;
}

.marathon-split-slider::-webkit-slider-thumb {
    appearance: none;
    width: 18px;
    height: 18px;
    background: linear-gradient(135deg, #d4af37 0%, #b8860b 100%);
    border-radius: 50%;
    cursor: pointer;
}

.marathon-split-value {
    text-align: center;
    font-size: 13px;
    font-weight: 600;
    color: #d4af37;
    margin-top: 8px;
}

/* ========================================
   결과 영역
   ======================================== */

.marathon-result-section {
    margin-bottom: 16px;
}

/* 메인 결과 카드 */
.marathon-main-result {
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.08) 0%, rgba(184, 134, 11, 0.08) 100%);
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-radius: 12px;
    padding: 18px;
    text-align: center;
    margin-bottom: 14px;
}

.marathon-result-label {
    font-size: 13px;
    color: #5f5a56;
    margin-bottom: 6px;
}

.marathon-result-value {
    font-size: 40px;
    font-weight: 700;
    color: #d4af37;
    line-height: 1;
}

.marathon-result-value .unit {
    font-size: 16px;
    font-weight: 500;
    color: #5f5a56;
    margin-left: 4px;
}

.marathon-result-sub {
    margin-top: 10px;
    font-size: 13px;
    color: #5f5a56;
}

.marathon-result-sub span {
    font-weight: 600;
    color: #2d2a26;
}

/* 보조 결과 카드들 */
.marathon-secondary-results {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin-bottom: 14px;
}

.marathon-secondary-card {
    background: #faf9f7;
    border: 1px solid #e8e4dc;
    border-radius: 8px;
    padding: 12px;
    text-align: center;
}

.marathon-secondary-card-icon {
    font-size: 18px;
    color: #d4af37;
    margin-bottom: 6px;
}

.marathon-secondary-card-label {
    font-size: 11px;
    color: #5f5a56;
    margin-bottom: 3px;
}

.marathon-secondary-card-value {
    font-size: 16px;
    font-weight: 700;
    color: #2d2a26;
}

.marathon-secondary-card-value .unit {
    font-size: 11px;
    font-weight: 500;
    color: #5f5a56;
}

/* ========================================
   구간별 통과 시간 테이블
   ======================================== */

.marathon-splits-section {
    background: #fff;
    border: 1px solid #e8e4dc;
    border-radius: 12px;
    padding: 16px;
    margin-bottom: 14px;
}

.marathon-splits-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.marathon-splits-title {
    font-size: 14px;
    font-weight: 600;
    color: #2d2a26;
    display: flex;
    align-items: center;
    gap: 6px;
}

.marathon-splits-title i {
    color: #d4af37;
}

.marathon-splits-table {
    width: 100%;
    border-collapse: collapse;
}

.marathon-splits-table th,
.marathon-splits-table td {
    padding: 10px 6px;
    text-align: center;
    font-size: 12px;
}

.marathon-splits-table th {
    background: #faf9f7;
    font-weight: 600;
    color: #5f5a56;
    border-bottom: 2px solid #e8e4dc;
}

.marathon-splits-table td {
    border-bottom: 1px solid #e8e4dc;
    color: #2d2a26;
}

.marathon-splits-table tr:last-child td {
    border-bottom: none;
}

.marathon-splits-table .highlight {
    background: rgba(212, 175, 55, 0.1);
    font-weight: 600;
}

.marathon-splits-table .distance-col {
    font-weight: 600;
    color: #d4af37;
}

.marathon-splits-table .pace-col {
    color: #5f5a56;
}

/* ========================================
   페이스 차트
   ======================================== */

.marathon-chart-section {
    background: #faf9f7;
    border: 1px solid #e8e4dc;
    border-radius: 12px;
    padding: 16px;
    margin-bottom: 14px;
}

.marathon-chart-title {
    font-size: 14px;
    font-weight: 600;
    color: #2d2a26;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.marathon-chart-title i {
    color: #d4af37;
}

.marathon-bar-chart {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.marathon-bar-item {
    display: flex;
    align-items: center;
    gap: 10px;
}

.marathon-bar-label {
    width: 45px;
    font-size: 11px;
    font-weight: 600;
    color: #5f5a56;
    text-align: right;
    flex-shrink: 0;
}

.marathon-bar-track {
    flex: 1;
    height: 22px;
    background: #e8e4dc;
    border-radius: 6px;
    overflow: hidden;
    position: relative;
}

.marathon-bar-fill {
    height: 100%;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding-right: 8px;
    transition: width 0.4s ease;
    background: linear-gradient(135deg, #d4af37 0%, #b8860b 100%);
}

.marathon-bar-fill.slower {
    background: linear-gradient(135deg, #e67e22 0%, #d35400 100%);
}

.marathon-bar-fill.faster {
    background: linear-gradient(135deg, #27ae60 0%, #1e8449 100%);
}

.marathon-bar-value {
    font-size: 11px;
    font-weight: 600;
    color: #fff;
    white-space: nowrap;
}

/* 차트 범례 */
.marathon-chart-legend {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid #e8e4dc;
}

.marathon-legend-item {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 11px;
    color: #5f5a56;
}

.marathon-legend-dot {
    width: 12px;
    height: 12px;
    border-radius: 3px;
}

.marathon-legend-dot.target {
    background: linear-gradient(135deg, #d4af37 0%, #b8860b 100%);
}

.marathon-legend-dot.slower {
    background: linear-gradient(135deg, #e67e22 0%, #d35400 100%);
}

.marathon-legend-dot.faster {
    background: linear-gradient(135deg, #27ae60 0%, #1e8449 100%);
}

/* ========================================
   진행률 타임라인
   ======================================== */

.marathon-timeline-section {
    background: #fff;
    border: 1px solid #e8e4dc;
    border-radius: 12px;
    padding: 16px;
    margin-bottom: 14px;
}

.marathon-timeline-title {
    font-size: 14px;
    font-weight: 600;
    color: #2d2a26;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.marathon-timeline-title i {
    color: #d4af37;
}

.marathon-timeline {
    position: relative;
    padding: 0 20px;
}

.marathon-timeline-track {
    position: absolute;
    top: 12px;
    left: 20px;
    right: 20px;
    height: 4px;
    background: #e8e4dc;
    border-radius: 2px;
}

.marathon-timeline-progress {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    background: linear-gradient(135deg, #d4af37 0%, #b8860b 100%);
    border-radius: 2px;
    transition: width 0.3s;
}

.marathon-timeline-points {
    display: flex;
    justify-content: space-between;
    position: relative;
}

.marathon-timeline-point {
    display: flex;
    flex-direction: column;
    align-items: center;
    z-index: 1;
}

.marathon-timeline-dot {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: #e8e4dc;
    border: 2px solid #fff;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 9px;
    font-weight: 700;
    color: #5f5a56;
    transition: all 0.3s;
}

.marathon-timeline-point.passed .marathon-timeline-dot {
    background: linear-gradient(135deg, #d4af37 0%, #b8860b 100%);
    color: #fff;
}

.marathon-timeline-point.current .marathon-timeline-dot {
    background: #fff;
    border-color: #d4af37;
    color: #d4af37;
    transform: scale(1.2);
}

.marathon-timeline-distance {
    margin-top: 6px;
    font-size: 10px;
    font-weight: 600;
    color: #2d2a26;
}

.marathon-timeline-time {
    font-size: 9px;
    color: #5f5a56;
}

/* ========================================
   추가 기능 아코디언
   ======================================== */

.marathon-advanced-section {
    margin-top: 16px;
}

.marathon-advanced-title {
    font-size: 14px;
    font-weight: 600;
    color: #2d2a26;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.marathon-advanced-title i {
    color: #d4af37;
}

.marathon-accordion {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.marathon-accordion-item {
    background: #fff;
    border: 1px solid #e8e4dc;
    border-radius: 12px;
    overflow: hidden;
}

.marathon-accordion-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px;
    cursor: pointer;
    transition: background 0.2s;
}

.marathon-accordion-header:hover {
    background: #faf9f7;
}

.marathon-accordion-header-left {
    display: flex;
    align-items: center;
    gap: 10px;
}

.marathon-accordion-icon {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(212, 175, 55, 0.1);
    border-radius: 6px;
    color: #d4af37;
    font-size: 14px;
}

.marathon-accordion-title {
    font-size: 13px;
    font-weight: 600;
    color: #2d2a26;
}

.marathon-accordion-desc {
    font-size: 11px;
    color: #8c8579;
    margin-top: 2px;
}

.marathon-accordion-arrow {
    font-size: 16px;
    color: #8c8579;
    transition: transform 0.2s;
}

.marathon-accordion-item.open .marathon-accordion-arrow {
    transform: rotate(180deg);
}

.marathon-accordion-content {
    display: none;
    padding: 0 12px 12px 12px;
}

.marathon-accordion-item.open .marathon-accordion-content {
    display: block;
}

/* 레이스 타임 예측 */
.marathon-predictor {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.marathon-predictor-input {
    display: flex;
    gap: 10px;
    align-items: flex-end;
    flex-wrap: wrap;
}

.marathon-predictor-input select,
.marathon-predictor-input input {
    padding: 8px 10px;
    font-size: 13px;
    border: 1px solid #e8e4dc;
    border-radius: 6px;
    background: #faf9f7;
    color: #2d2a26;
}

.marathon-predictor-input select:focus,
.marathon-predictor-input input:focus {
    outline: none;
    border-color: #d4af37;
    background: #fff;
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.1);
}

.marathon-predictor-results {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
}

.marathon-predictor-card {
    background: #faf9f7;
    border: 1px solid #e8e4dc;
    border-radius: 6px;
    padding: 10px;
    text-align: center;
}

.marathon-predictor-card-label {
    font-size: 11px;
    color: #5f5a56;
    margin-bottom: 3px;
}

.marathon-predictor-card-value {
    font-size: 14px;
    font-weight: 700;
    color: #d4af37;
}

/* VDOT 훈련 페이스 */
.marathon-vdot {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.marathon-vdot-score {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 12px;
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.1) 0%, rgba(184, 134, 11, 0.05) 100%);
    border-radius: 8px;
}

.marathon-vdot-label {
    font-size: 13px;
    color: #5f5a56;
}

.marathon-vdot-value {
    font-size: 28px;
    font-weight: 700;
    color: #d4af37;
}

.marathon-vdot-paces {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
}

.marathon-vdot-pace-card {
    background: #faf9f7;
    border: 1px solid #e8e4dc;
    border-radius: 6px;
    padding: 10px;
}

.marathon-vdot-pace-label {
    font-size: 11px;
    font-weight: 600;
    color: #5f5a56;
    margin-bottom: 3px;
}

.marathon-vdot-pace-value {
    font-size: 14px;
    font-weight: 700;
    color: #2d2a26;
}

.marathon-vdot-pace-desc {
    font-size: 10px;
    color: #8c8579;
    margin-top: 3px;
}

/* 에너지 젤 타이밍 */
.marathon-gel {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.marathon-gel-options {
    display: flex;
    gap: 10px;
}

.marathon-gel-option {
    flex: 1;
}

.marathon-gel-option input {
    display: none;
}

.marathon-gel-option label {
    display: block;
    padding: 10px;
    text-align: center;
    font-size: 12px;
    font-weight: 500;
    color: #5f5a56;
    background: #faf9f7;
    border: 1px solid #e8e4dc;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
}

.marathon-gel-option label:hover {
    border-color: #d4af37;
    color: #d4af37;
}

.marathon-gel-option input:checked + label {
    background: linear-gradient(135deg, #d4af37 0%, #b8860b 100%);
    border-color: transparent;
    color: #fff;
}

.marathon-gel-timeline {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.marathon-gel-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 10px;
    background: #faf9f7;
    border: 1px solid #e8e4dc;
    border-radius: 6px;
}

.marathon-gel-number {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #d4af37 0%, #b8860b 100%);
    border-radius: 50%;
    font-size: 11px;
    font-weight: 700;
    color: #fff;
}

.marathon-gel-info {
    flex: 1;
}

.marathon-gel-distance {
    font-size: 12px;
    font-weight: 600;
    color: #2d2a26;
}

.marathon-gel-time {
    font-size: 11px;
    color: #5f5a56;
}

/* 날씨 보정 */
.marathon-weather {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.marathon-weather-input {
    display: flex;
    gap: 10px;
    align-items: flex-end;
}

.marathon-weather-input .marathon-input-group {
    flex: 1;
}

.marathon-weather-input input,
.marathon-weather-input select {
    width: 100%;
    padding: 8px 10px;
    font-size: 13px;
    border: 1px solid #e8e4dc;
    border-radius: 6px;
    background: #faf9f7;
    color: #2d2a26;
}

.marathon-weather-result {
    background: #faf9f7;
    border: 1px solid #e8e4dc;
    border-radius: 8px;
    padding: 12px;
    text-align: center;
}

.marathon-weather-adjustment {
    font-size: 12px;
    color: #5f5a56;
    margin-bottom: 6px;
}

.marathon-weather-pace {
    font-size: 20px;
    font-weight: 700;
    color: #d4af37;
}

.marathon-weather-note {
    font-size: 11px;
    color: #8c8579;
    margin-top: 6px;
}

/* 경사도 보정 */
.marathon-elevation {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.marathon-elevation-input {
    display: flex;
    gap: 10px;
    align-items: flex-end;
}

.marathon-elevation-input .marathon-input-group {
    flex: 1;
}

.marathon-elevation-input input {
    width: 100%;
    padding: 8px 10px;
    font-size: 13px;
    border: 1px solid #e8e4dc;
    border-radius: 6px;
    background: #faf9f7;
    color: #2d2a26;
}

.marathon-elevation-result {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
}

.marathon-elevation-card {
    background: #faf9f7;
    border: 1px solid #e8e4dc;
    border-radius: 6px;
    padding: 10px;
    text-align: center;
}

.marathon-elevation-card.uphill {
    border-color: #e67e22;
}

.marathon-elevation-card.downhill {
    border-color: #27ae60;
}

.marathon-elevation-card-icon {
    font-size: 18px;
    margin-bottom: 4px;
}

.marathon-elevation-card.uphill .marathon-elevation-card-icon {
    color: #e67e22;
}

.marathon-elevation-card.downhill .marathon-elevation-card-icon {
    color: #27ae60;
}

.marathon-elevation-card-label {
    font-size: 11px;
    color: #5f5a56;
    margin-bottom: 3px;
}

.marathon-elevation-card-value {
    font-size: 14px;
    font-weight: 700;
    color: #2d2a26;
}

/* ========================================
   액션 버튼
   ======================================== */

.marathon-actions {
    display: flex;
    gap: 10px;
    justify-content: center;
    margin-top: 16px;
}

/* ========================================
   반응형
   ======================================== */

@media (max-width: 768px) {
    .marathon-mode-tabs {
        flex-direction: column;
    }

    .marathon-settings-row {
        flex-direction: row;
        align-items: flex-start;
        gap: 12px;
    }

    .marathon-settings-row .marathon-unit-toggle {
        padding-top: 24px;
    }

    .marathon-distance-buttons {
        flex-direction: column;
    }

    .marathon-distance-btn {
        text-align: center;
        width: 100%;
    }

    .marathon-split-buttons {
        flex-direction: column;
    }

    .marathon-input-row {
        flex-direction: column;
        align-items: stretch;
    }

    .marathon-input-group input {
        width: 100%;
    }

    .marathon-time-separator {
        display: none;
    }

    .marathon-secondary-results {
        grid-template-columns: 1fr;
    }

    .marathon-splits-table {
        font-size: 12px;
    }

    .marathon-splits-table th,
    .marathon-splits-table td {
        padding: 8px 4px;
    }

    .marathon-bar-label {
        width: 40px;
        font-size: 11px;
    }

    .marathon-timeline-points {
        flex-wrap: wrap;
        gap: 12px;
        justify-content: center;
    }

    .marathon-timeline-track {
        display: none;
    }

    .marathon-predictor-input {
        flex-direction: column;
        align-items: stretch;
    }

    .marathon-predictor-input select,
    .marathon-predictor-input input {
        width: 100%;
    }

    .marathon-predictor-results {
        grid-template-columns: 1fr;
    }

    .marathon-vdot-paces {
        grid-template-columns: 1fr;
    }

    .marathon-gel-options {
        flex-direction: column;
    }

    .marathon-weather-input {
        flex-direction: column;
        align-items: stretch;
    }

    .marathon-elevation-input {
        flex-direction: column;
        align-items: stretch;
    }

    .marathon-elevation-result {
        grid-template-columns: 1fr;
    }

    .marathon-actions {
        flex-direction: column;
    }

    .marathon-chart-legend {
        flex-direction: column;
        align-items: center;
        gap: 8px;
    }
}

@media (max-width: 480px) {
    .marathon-result-value {
        font-size: 32px;
    }

    .marathon-vdot-value {
        font-size: 24px;
    }

    .marathon-custom-distance {
        flex-direction: column;
        align-items: stretch;
    }

    .marathon-custom-distance input {
        width: 100%;
    }
}

/* =============================================
   한국 주요 대회 프리셋
   ============================================= */

.marathon-race-preset {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.marathon-race-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
}

.marathon-race-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 12px 8px;
    background: #fff;
    border: 2px solid #e8e4dc;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
}

.marathon-race-card:hover {
    border-color: #d4af37;
    background: #fffcf5;
}

.marathon-race-card.active {
    border-color: #d4af37;
    background: linear-gradient(135deg, #fffcf5 0%, #fff9e6 100%);
    box-shadow: 0 2px 8px rgba(212, 175, 55, 0.2);
}

.marathon-race-card-name {
    font-size: 14px;
    font-weight: 600;
    color: #2d2a26;
    margin-bottom: 4px;
}

.marathon-race-card-date {
    font-size: 11px;
    color: #5f5a56;
}

.marathon-race-card-badge {
    position: absolute;
    top: 4px;
    right: 4px;
    font-size: 10px;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: 4px;
    color: #fff;
}

.marathon-race-card-badge.difficulty-A {
    background: #28a745;
}

.marathon-race-card-badge.difficulty-B {
    background: #ffc107;
    color: #2d2a26;
}

.marathon-race-card-badge.difficulty-C {
    background: #fd7e14;
}

/* 대회 정보 패널 */
.marathon-race-info {
    background: #faf9f7;
    border: 1px solid #e8e4dc;
    border-radius: 12px;
    padding: 16px;
    margin-top: 8px;
}

.marathon-race-info-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.marathon-race-info-name {
    font-size: 18px;
    font-weight: 700;
    color: #2d2a26;
}

.marathon-race-info-badge {
    font-size: 12px;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 4px;
    color: #fff;
}

.marathon-race-info-badge.difficulty-A {
    background: #28a745;
}

.marathon-race-info-badge.difficulty-B {
    background: #ffc107;
    color: #2d2a26;
}

.marathon-race-info-badge.difficulty-C {
    background: #fd7e14;
}

.marathon-race-info-details {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 12px;
}

.marathon-race-info-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: #5f5a56;
}

.marathon-race-info-item i {
    color: #d4af37;
}

.marathon-race-info-desc {
    font-size: 13px;
    color: #5f5a56;
    line-height: 1.6;
    margin-bottom: 16px;
    padding: 12px;
    background: #fff;
    border-radius: 8px;
}

/* 공식 홈페이지 링크 */
.marathon-race-info-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: #d4af37;
    text-decoration: none;
    margin-bottom: 16px;
    padding: 8px 12px;
    background: #fff;
    border: 1px solid #e8e4dc;
    border-radius: 6px;
    transition: all 0.2s;
}

.marathon-race-info-link:hover {
    background: #fffcf5;
    border-color: #d4af37;
}

.marathon-race-info-link i {
    font-size: 14px;
}

/* 고저차 프로파일 */
.marathon-elevation-profile {
    background: #fff;
    border-radius: 8px;
    padding: 12px;
    margin-bottom: 16px;
}

.marathon-elevation-title {
    font-size: 12px;
    color: #5f5a56;
    margin-bottom: 8px;
    text-align: center;
}

.marathon-elevation-chart {
    position: relative;
    height: 80px;
    background: linear-gradient(to bottom, #f5f5f5 0%, #faf9f7 100%);
    border-radius: 4px;
    overflow: hidden;
}

.marathon-elevation-bars {
    display: flex;
    align-items: flex-end;
    height: 60px;
    padding: 0 4px;
}

.marathon-elevation-bar {
    background: linear-gradient(to top, #28a745 0%, #5cb85c 50%, #8bc34a 100%);
    border-radius: 2px 2px 0 0;
    margin: 0 1px;
    min-height: 2px;
}

.marathon-elevation-max {
    position: absolute;
    top: 4px;
    right: 8px;
    font-size: 10px;
    color: #5f5a56;
    background: rgba(255, 255, 255, 0.9);
    padding: 2px 6px;
    border-radius: 3px;
}

.marathon-elevation-labels {
    display: flex;
    justify-content: space-between;
    font-size: 10px;
    color: #888;
    margin-top: 4px;
    padding: 0 4px;
}

.marathon-race-apply {
    width: 100%;
}

/* 반응형 - 대회 프리셋 */
@media (max-width: 768px) {
    .marathon-race-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .marathon-race-info-details {
        flex-direction: column;
        gap: 8px;
    }
}

@media (max-width: 480px) {
    .marathon-race-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .marathon-race-card {
        padding: 10px 6px;
    }

    .marathon-race-card-name {
        font-size: 13px;
    }

    .marathon-race-info-name {
        font-size: 16px;
    }
}

/* ========================================
   Compact redesign overrides
   ======================================== */

#marathonPaceCalculator.marathon-tool-shell {
    display: grid;
    gap: 18px;
    padding: 18px;
    border: 1px solid #ece4d8;
    border-radius: 24px;
    background: linear-gradient(180deg, #fffdfa 0%, #ffffff 44%, #fcfbf8 100%);
    box-shadow: 0 18px 48px rgba(45, 42, 38, 0.08);
}

#marathonPaceCalculator .tool-section-title {
    margin: 0;
}

.marathon-tool-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
}

.marathon-tool-header-copy {
    display: grid;
    gap: 8px;
}

.marathon-tool-lead {
    margin: 0;
    font-size: 14px;
    line-height: 1.6;
    color: #6e655d;
    max-width: 760px;
}

.marathon-tool-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: flex-end;
}

.marathon-tool-pill {
    display: inline-flex;
    align-items: center;
    padding: 8px 12px;
    border-radius: 999px;
    background: #fff;
    border: 1px solid rgba(212, 175, 55, 0.28);
    box-shadow: 0 4px 12px rgba(45, 42, 38, 0.04);
    font-size: 12px;
    font-weight: 600;
    color: #7b683b;
}

.marathon-main-layout {
    display: grid;
    grid-template-columns: minmax(300px, 0.96fr) minmax(340px, 1.04fr);
    gap: 14px;
    align-items: start;
}

.marathon-control-panel,
.marathon-results-panel {
    min-width: 0;
}

.marathon-results-panel,
.marathon-detail-stack,
.marathon-input-stack {
    display: grid;
    gap: 12px;
}

.marathon-panel {
    background: linear-gradient(180deg, rgba(255, 251, 238, 0.92) 0%, #ffffff 100%);
    border: 1px solid #eadfcf;
    border-radius: 20px;
    padding: 14px;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.65);
}

.marathon-panel-primary {
    display: grid;
    gap: 12px;
}

.marathon-mode-tabs {
    margin-bottom: 12px;
    padding: 4px;
    gap: 6px;
    border: 1px solid #e9dece;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.72);
}

.marathon-mode-tab {
    display: grid;
    grid-template-columns: auto 1fr;
    align-items: center;
    gap: 8px 10px;
    min-height: 56px;
    padding: 10px 12px;
    border: none;
    background: transparent;
    border-radius: 12px;
    font-size: 13px;
    font-weight: 600;
    color: #5f5a56;
}

.marathon-mode-tab:hover {
    border-color: transparent;
    color: #5f5a56;
}

.marathon-mode-tab span {
    font-weight: 700;
}

.marathon-mode-tab i {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    margin-bottom: 0;
    border-radius: 50%;
    background: rgba(212, 175, 55, 0.12);
    color: #d4af37;
    font-size: 15px;
}

.marathon-mode-tab small {
    grid-column: 2;
    margin-top: 0;
    font-size: 11px;
    text-align: left;
    opacity: 0.86;
}

.marathon-mode-tab.active {
    background: linear-gradient(135deg, #d4af37 0%, #b8860b 100%);
    color: #fff;
    box-shadow: 0 10px 20px rgba(184, 134, 11, 0.22);
}

.marathon-mode-tab.active i {
    background: rgba(255, 255, 255, 0.18);
    color: #fff;
}

.marathon-settings-row {
    align-items: flex-end;
    gap: 12px;
    margin-bottom: 0;
}

.marathon-distance-label,
.marathon-split-label,
.marathon-unit-toggle-label,
.marathon-section-mini-label {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: #85796c;
}

.marathon-section-mini-label {
    margin-bottom: 10px;
}

.marathon-distance-section,
.marathon-split-section,
.marathon-input-section {
    margin-bottom: 0;
}

.marathon-distance-buttons {
    gap: 6px;
}

.marathon-distance-btn {
    padding: 9px 12px;
    border-radius: 999px;
    background: #fff;
}

.marathon-unit-toggle {
    align-items: center;
    gap: 8px;
    margin-bottom: 0;
    padding: 8px 10px;
    border-radius: 14px;
    border: 1px solid #e9dece;
    background: #fff;
}

.marathon-unit-switch {
    border: none;
    background: transparent;
}

.marathon-unit-option {
    padding: 7px 12px;
    border-radius: 10px;
}

.marathon-custom-distance {
    margin-top: 8px;
    padding: 10px 12px;
    border: 1px dashed #dccca7;
    border-radius: 12px;
    background: #fff;
}

.marathon-custom-distance input {
    flex: 1;
    min-width: 0;
    width: auto;
    padding: 9px 12px;
    border-radius: 10px;
    background: #fffdf8;
}

.marathon-input-section {
    padding: 12px 14px;
    border-radius: 16px;
    border-color: #ece3d5;
    background: #fff;
}

.marathon-input-row {
    justify-content: flex-start;
    gap: 8px;
    flex-wrap: wrap;
}

.marathon-input-group {
    gap: 6px;
}

.marathon-input-group label {
    display: block;
    font-size: 11px;
    font-weight: 700;
    color: #85796c;
    margin-bottom: 4px;
}

.marathon-input-group input {
    width: 86px;
    min-height: 48px;
    border-radius: 12px;
    font-size: 17px;
    background: #fcfaf6;
}

.marathon-compact-time-row {
    justify-content: flex-start;
    align-items: center;
}

.marathon-input-group-time {
    min-width: 0;
    flex: 1;
}

.marathon-compact-time-row .marathon-input-group input {
    width: 72px;
    min-height: 42px;
    font-size: 15px;
}

.marathon-compact-time-row .marathon-time-separator {
    padding-bottom: 0;
}

.marathon-split-section {
    padding: 12px 14px;
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid #ece3d5;
    border-radius: 16px;
}

.marathon-split-buttons {
    gap: 6px;
}

.marathon-split-btn {
    padding: 10px 11px;
    border-radius: 14px;
    background: #fff;
}

.marathon-split-btn small {
    display: block;
    margin-top: 3px;
    font-size: 10px;
    opacity: 0.78;
}

.marathon-split-intensity {
    margin-top: 10px;
    padding: 10px 12px;
    border: 1px dashed #e3d8c5;
    border-radius: 12px;
    background: #fbf8f2;
}

.marathon-actions {
    justify-content: flex-start;
    margin-top: 12px;
}

.marathon-actions .tool-btn {
    flex: 1 1 0;
    min-height: 46px;
    border-radius: 14px;
}

.marathon-result-section {
    margin-bottom: 0;
    display: grid;
    gap: 10px;
}

.marathon-main-result {
    margin-bottom: 0;
    padding: 18px 18px 16px;
    text-align: left;
    border-radius: 20px;
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.14) 0%, rgba(184, 134, 11, 0.05) 100%);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.6);
}

.marathon-result-topline {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
}

.marathon-result-label {
    margin-bottom: 0;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #8b6f1b;
}

.marathon-result-context {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 8px;
}

.marathon-context-chip {
    display: grid;
    gap: 2px;
    min-width: 88px;
    padding: 8px 10px;
    border-radius: 12px;
    border: 1px solid rgba(212, 175, 55, 0.24);
    background: rgba(255, 255, 255, 0.78);
}

.marathon-context-chip-label {
    font-size: 10px;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: #8c8579;
}

.marathon-context-chip strong {
    font-size: 13px;
    color: #2d2a26;
}

.marathon-result-value {
    display: flex;
    align-items: flex-end;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 12px;
    font-size: 48px;
    line-height: 0.96;
}

.marathon-result-sub {
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid rgba(124, 104, 47, 0.16);
}

.marathon-result-note {
    margin: 10px 0 0;
    font-size: 12px;
    line-height: 1.55;
    color: #6e655d;
}

.marathon-secondary-results {
    gap: 8px;
    margin-bottom: 0;
}

.marathon-secondary-card {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 0 10px;
    align-items: center;
    padding: 10px 12px;
    border-radius: 14px;
    background: #fff;
    box-shadow: 0 8px 18px rgba(45, 42, 38, 0.05);
    text-align: left;
}

.marathon-secondary-card-icon {
    grid-row: 1 / span 2;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 0;
    border-radius: 10px;
    background: rgba(212, 175, 55, 0.12);
    font-size: 15px;
}

.marathon-secondary-card-label {
    margin-bottom: 2px;
    font-size: 10px;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.marathon-secondary-card-value {
    font-size: 15px;
}

.marathon-support-grid {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 12px;
}

.marathon-chart-section,
.marathon-timeline-section,
.marathon-splits-section,
.marathon-advanced-section {
    border-radius: 18px;
    padding: 14px 16px;
    box-shadow: 0 10px 24px rgba(45, 42, 38, 0.05);
}

.marathon-chart-section,
.marathon-timeline-section,
.marathon-splits-section {
    background: #fff;
    border-color: #ece3d5;
}

.marathon-chart-title,
.marathon-timeline-title,
.marathon-splits-title,
.marathon-advanced-title {
    font-size: 13px;
    margin-bottom: 10px;
}

.marathon-bar-track {
    height: 18px;
    border-radius: 999px;
}

.marathon-bar-fill {
    padding-right: 10px;
    border-radius: 999px;
}

.marathon-bar-value {
    font-size: 10px;
}

.marathon-chart-legend {
    justify-content: flex-start;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 10px;
    padding-top: 10px;
}

.marathon-timeline {
    padding: 2px 10px 0;
}

.marathon-timeline-track {
    left: 10px;
    right: 10px;
    top: 11px;
}

.marathon-timeline-dot {
    width: 20px;
    height: 20px;
}

.marathon-timeline-distance {
    font-size: 10px;
}

.marathon-timeline-time {
    font-size: 9px;
}

.marathon-splits-header {
    margin-bottom: 10px;
}

.marathon-splits-note,
.marathon-advanced-note {
    margin: 6px 0 0;
    font-size: 12px;
    line-height: 1.55;
    color: #6e655d;
}

.marathon-splits-scroll {
    overflow-x: auto;
}

.marathon-splits-table {
    min-width: 680px;
}

.marathon-splits-table th,
.marathon-splits-table td {
    white-space: nowrap;
}

.marathon-advanced-section {
    margin-top: 0;
    background: linear-gradient(180deg, #ffffff 0%, #faf8f4 100%);
    border: 1px solid #ece3d5;
}

.marathon-advanced-header {
    display: grid;
    gap: 4px;
    margin-bottom: 10px;
}

.marathon-accordion {
    gap: 10px;
}

.marathon-accordion-item {
    border-radius: 16px;
}

.marathon-accordion-header {
    width: 100%;
    border: none;
    padding: 12px 14px;
    text-align: left;
    background: #fff;
}

.marathon-accordion-header:hover {
    background: #fffcf7;
}

.marathon-accordion-header-left {
    min-width: 0;
}

.marathon-accordion-icon {
    width: 34px;
    height: 34px;
    border-radius: 10px;
}

.marathon-accordion-title,
.marathon-accordion-desc {
    display: block;
}

.marathon-accordion-content {
    padding: 0 14px 14px 14px;
}

.marathon-predictor-input,
.marathon-weather-input,
.marathon-elevation-input {
    gap: 12px;
}

.marathon-predictor-input select,
.marathon-predictor-input input,
.marathon-weather-input input,
.marathon-elevation-input input {
    min-height: 42px;
    border-radius: 12px;
    background: #fff;
}

.marathon-predictor-results,
.marathon-vdot-paces,
.marathon-elevation-result {
    gap: 10px;
}

.marathon-predictor-card,
.marathon-vdot-pace-card,
.marathon-elevation-card,
.marathon-weather-result,
.marathon-gel-item,
.marathon-race-info {
    border-radius: 12px;
}

.marathon-gel-options {
    gap: 8px;
}

.marathon-gel-option label {
    border-radius: 12px;
}

.marathon-vdot-score {
    justify-content: space-between;
    padding: 14px 16px;
}

.marathon-vdot-label {
    font-size: 12px;
    font-weight: 700;
}

.marathon-weather-note {
    margin-top: 8px;
}

.marathon-race-grid {
    gap: 10px;
}

.marathon-race-card {
    border-radius: 12px;
    padding: 12px 10px;
}

@media (max-width: 1024px) {
    .marathon-main-layout,
    .marathon-support-grid {
        grid-template-columns: 1fr;
    }

    .marathon-result-value {
        font-size: 42px;
    }
}

@media (max-width: 768px) {
    #marathonPaceCalculator.marathon-tool-shell {
        gap: 14px;
        padding: 14px;
        border-radius: 20px;
    }

    .marathon-tool-header {
        gap: 12px;
    }

    .marathon-tool-pills {
        justify-content: flex-start;
    }

    .marathon-settings-row {
        flex-direction: column;
        align-items: stretch;
    }

    .marathon-settings-row .marathon-unit-toggle {
        padding-top: 8px;
        width: fit-content;
    }

    .marathon-distance-buttons {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    #timeInputSection .marathon-input-row,
    #paceInputSection .marathon-input-row,
    .marathon-compact-time-row {
        flex-direction: row;
        align-items: center;
    }

    #timeInputSection .marathon-input-group,
    #paceInputSection .marathon-input-group,
    .marathon-compact-time-row .marathon-input-group {
        flex: 1 1 0;
    }

    #timeInputSection .marathon-input-group input,
    #paceInputSection .marathon-input-group input,
    .marathon-compact-time-row .marathon-input-group input {
        width: 100%;
    }

    .marathon-panel,
    .marathon-input-section,
    .marathon-split-section,
    .marathon-chart-section,
    .marathon-timeline-section,
    .marathon-splits-section,
    .marathon-advanced-section {
        padding: 12px;
    }

    .marathon-secondary-results {
        grid-template-columns: 1fr;
    }

    .marathon-result-topline {
        flex-direction: column;
    }

    .marathon-result-context {
        justify-content: flex-start;
    }

    .marathon-result-value {
        font-size: 38px;
    }

    .marathon-chart-legend {
        align-items: flex-start;
    }

    .marathon-splits-table {
        min-width: 620px;
    }
}

@media (max-width: 480px) {
    .marathon-distance-buttons {
        grid-template-columns: 1fr;
    }

    .marathon-unit-toggle {
        width: 100%;
        justify-content: space-between;
    }

    .marathon-result-value {
        font-size: 34px;
    }

    .marathon-context-chip {
        width: 100%;
    }

    .marathon-weather-input,
    .marathon-elevation-input,
    .marathon-predictor-input {
        flex-direction: column;
        align-items: stretch;
    }

    .marathon-custom-distance {
        flex-direction: column;
        align-items: stretch;
    }
}