/* ===========================
   공통 컴포넌트 스타일
   =========================== */

/* ===========================
   슬라이더
   =========================== */
.slider-wrapper {
  display: grid;
  grid-template-rows: auto auto;
  gap: var(--space-sm);
}

.slider-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

.slider-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  font-weight: 500;
}

.slider-value {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
  min-width: 5ch;
  text-align: right;
}

.slider-unit {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-left: var(--space-xs);
}

.slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  border-radius: 3px;
  background: linear-gradient(
    to right,
    var(--color-primary) 0%,
    var(--color-primary) var(--fill-pct, 50%),
    var(--color-border) var(--fill-pct, 50%),
    var(--color-border) 100%
  );
  outline: none;
  cursor: pointer;
}

.slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--color-primary);
  box-shadow: 0 1px 4px rgba(0,0,0,0.2);
  cursor: pointer;
  touch-action: pan-x;
}

.slider::-moz-range-thumb {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--color-primary);
  border: none;
  box-shadow: 0 1px 4px rgba(0,0,0,0.2);
  cursor: pointer;
}

.slider:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.slider:disabled::-webkit-slider-thumb {
  background: var(--color-text-muted);
  box-shadow: 0 1px 2px rgba(0,0,0,0.1);
  cursor: not-allowed;
}

.slider:disabled::-moz-range-thumb {
  background: var(--color-text-muted);
  box-shadow: 0 1px 2px rgba(0,0,0,0.1);
  cursor: not-allowed;
}

.slider:focus-visible::-webkit-slider-thumb {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
}

.slider-range-labels {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  color: var(--color-text-muted);
  margin-top: var(--space-xs);
}

/* 터치 기기에서 thumb 크기 확대 */
@media (pointer: coarse) {
  .slider::-webkit-slider-thumb {
    width: 32px;
    height: 32px;
  }
  .slider::-moz-range-thumb {
    width: 32px;
    height: 32px;
  }
}

/* ===========================
   카드 확장
   =========================== */
.card + .card {
  margin-top: var(--space-sm);
}

.card-expandable .card-body {
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.25s ease, opacity 0.2s ease;
  opacity: 0;
}

.card-expandable.card-open .card-body {
  max-height: 400px;
  opacity: 1;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  cursor: pointer;
  min-height: 44px;
}

.card-header-left {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex: 1;
  min-width: 0;
}

.card-title {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-text);
}

.card-subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-top: 2px;
}

.card-chevron {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: var(--color-text-muted);
  transition: transform 0.2s ease;
}

.card-expandable.card-open .card-chevron {
  transform: rotate(180deg);
}

.card-body {
  padding-top: var(--space-md);
}

.card-color-bar {
  width: 4px;
  flex-shrink: 0;
  border-radius: 2px;
  align-self: stretch;
  min-height: 40px;
}

/* ===========================
   요약 바 (Summary Bar)
   =========================== */
.summary-bar {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.summary-stat {
  background: var(--color-surface);
  padding: var(--space-sm) var(--space-md);
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.summary-stat__label {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  white-space: nowrap;
}

.summary-stat__value {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-text);
  font-variant-numeric: tabular-nums;
}

.summary-stat__unit {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

/* ===========================
   칩 / 배지
   =========================== */
.chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-lg);
  font-size: var(--font-size-sm);
  font-weight: 600;
  line-height: 1;
  white-space: nowrap;
}

.chip--intensity-E { background: #DCFCE7; color: #166534; }
.chip--intensity-M { background: #DBEAFE; color: #1E40AF; }
.chip--intensity-T { background: #FEF9C3; color: #854D0E; }
.chip--intensity-I { background: #FFEDD5; color: #9A3412; }
.chip--intensity-R    { background: #FCE7F3; color: #9D174D; }
.chip--intensity-LONG { background: #E0E7FF; color: #3730A3; }

.chip--zone1 { background: #DBEAFE; color: #1E3A8A; }
.chip--zone2 { background: #D1FAE5; color: #065F46; }
.chip--zone3 { background: #FEF3C7; color: #78350F; }
.chip--zone4 { background: #FFEDD5; color: #9A3412; }
.chip--zone5 { background: #FEE2E2; color: #7F1D1D; }

@media (prefers-color-scheme: dark) {
  .chip--intensity-E { background: #14532D; color: #86EFAC; }
  .chip--intensity-M { background: #1E3A8A; color: #93C5FD; }
  .chip--intensity-T { background: #713F12; color: #FDE68A; }
  .chip--intensity-I { background: #7C2D12; color: #FDBA74; }
  .chip--intensity-R    { background: #831843; color: #F9A8D4; }
  .chip--intensity-LONG { background: #312E81; color: #A5B4FC; }

  .chip--zone1 { background: #1E3A8A; color: #93C5FD; }
  .chip--zone2 { background: #064E3B; color: #6EE7B7; }
  .chip--zone3 { background: #78350F; color: #FCD34D; }
  .chip--zone4 { background: #7C2D12; color: #FDBA74; }
  .chip--zone5 { background: #7F1D1D; color: #FCA5A5; }
}

/* ===========================
   버튼
   =========================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  min-height: 44px;
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-base);
  font-family: inherit;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: background 0.15s ease, opacity 0.15s ease, box-shadow 0.15s ease, transform 0.1s ease;
  text-decoration: none;
  white-space: nowrap;
}

.btn:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
}

.btn:active {
  opacity: 0.85;
}

.btn--primary {
  background: linear-gradient(135deg, #FB923C 0%, #F97316 50%, #EA6C10 100%);
  color: #FFFFFF;
  box-shadow: 0 2px 8px rgba(249, 115, 22, 0.35);
}

.btn--primary:hover {
  box-shadow: 0 4px 14px rgba(249, 115, 22, 0.45);
  transform: translateY(-1px);
}

.btn--primary:active {
  transform: translateY(0);
  box-shadow: 0 1px 4px rgba(249, 115, 22, 0.3);
}

.btn--secondary {
  background: transparent;
  color: var(--color-primary);
  border: 1.5px solid var(--color-primary);
}

.btn--secondary:hover {
  background: var(--color-primary-light);
}

.btn--link {
  background: transparent;
  color: var(--color-text-muted);
  font-weight: 400;
  padding: var(--space-sm);
  min-height: 44px;
}

.btn--link:hover {
  color: var(--color-text);
}

.btn--full {
  width: 100%;
}

/* ===========================
   입력 필드
   =========================== */
.input-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.input-label {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-muted);
}

.input-field {
  height: 44px;
  padding: 0 var(--space-md);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-base);
  font-family: inherit;
  color: var(--color-text);
  background: var(--color-surface);
  transition: border-color 0.15s ease;
  width: 100%;
}

.input-field:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(249,115,22,0.15);
}

.time-input-row {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  align-items: center;
  gap: var(--space-xs);
}

.time-input-sep {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-text-muted);
  text-align: center;
}

.time-input-field {
  height: 44px;
  padding: 0 var(--space-sm);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-base);
  font-family: inherit;
  color: var(--color-text);
  background: var(--color-surface);
  text-align: center;
  font-variant-numeric: tabular-nums;
  width: 100%;
}

.time-input-field:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(249,115,22,0.15);
}

.time-input-unit {
  font-size: 11px;
  color: var(--color-text-muted);
  text-align: center;
  margin-top: 2px;
}

/* ===========================
   토글 스위치
   =========================== */
.toggle-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  min-height: 44px;
}

.toggle-label {
  font-size: var(--font-size-base);
  color: var(--color-text);
  cursor: pointer;
  flex: 1;
}

.toggle-label-sub {
  display: block;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-top: 2px;
}

.toggle-input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-track {
  position: relative;
  width: 48px;
  height: 28px;
  background: var(--color-border);
  border-radius: 14px;
  cursor: pointer;
  flex-shrink: 0;
  transition: background 0.2s ease;
}

.toggle-input:checked + .toggle-track {
  background: var(--color-primary);
}

.toggle-track::after {
  content: '';
  position: absolute;
  top: 3px;
  left: 3px;
  width: 22px;
  height: 22px;
  background: #FFFFFF;
  border-radius: 50%;
  transition: transform 0.2s ease;
  box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}

.toggle-input:checked + .toggle-track::after {
  transform: translateX(20px);
}

.toggle-input:focus-visible + .toggle-track {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
}

/* ===========================
   선택 카드 그리드
   =========================== */
.select-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: var(--space-sm);
}

.select-card {
  padding: var(--space-md);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  text-align: center;
  background: var(--color-surface);
  transition: border-color 0.15s ease, background 0.15s ease;
}

.select-card:hover {
  border-color: var(--color-primary-light);
}

.select-card.selected {
  border-color: var(--color-primary);
  background: #FFF7ED;
}

@media (prefers-color-scheme: dark) {
  .select-card.selected {
    background: #431407;
  }
}

.select-card__value {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-text);
}

.select-card__desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-xs);
}

/* ===========================
   경고 배너
   =========================== */
.alert-warning {
  background: rgba(255, 160, 0, 0.10);
  border: 1px solid rgba(255, 160, 0, 0.35);
  border-left: 3px solid #FFA000;
  border-radius: var(--radius-md);
  padding: var(--space-md);
  margin-bottom: var(--space-md);
}

.alert-warning__title {
  font-weight: 600;
  color: #F59E0B;
  margin-bottom: 4px;
  font-size: var(--font-size-sm);
}

.alert-warning__body {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ===========================
   훈련 일정 헤더 & 토글
   =========================== */
.plan-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-sm);
}

/* 토글 버튼 그룹 */
.plan-view-toggle {
  display: flex;
  gap: 2px;
  background: var(--color-border);
  border-radius: var(--radius-sm);
  padding: 2px;
}

.plan-toggle-btn {
  padding: 4px 10px;
  font-size: var(--font-size-sm);
  font-weight: 500;
  border: none;
  background: transparent;
  color: var(--color-text-muted);
  border-radius: calc(var(--radius-sm) - 2px);
  cursor: pointer;
  font-family: inherit;
  transition: background 0.15s, color 0.15s;
}

.plan-toggle-btn--active {
  background: var(--color-surface);
  color: var(--color-text);
  box-shadow: var(--shadow-sm);
}

/* 주차 구분 헤더 */
.full-plan-week-header {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text-muted);
  padding: var(--space-sm) 0 var(--space-xs) 0;
  border-bottom: 1px solid var(--color-border);
  margin: var(--space-md) 0 var(--space-xs) 0;
}

.full-plan-week-header:first-child {
  margin-top: 0;
}