/* ===== 기본 설정 ===== */
:root {
  --color-bg: #f2f3f5;
  --color-card: #ffffff;
  --color-text: #1c1c1e;
  --color-sub: #8a8f98;
  --color-primary: #171717;
  --color-primary-dark: #000000;
  --color-accent: #1481fa;
  --color-border: #e6e7eb;
  --color-danger: #e0245e;
  --color-success: #12b76a;
  --color-success-tint: #e5f9ee;
  --color-warning: #f79009;
  --color-warning-tint: #fff4e5;
  --radius: 22px;
  --shadow-card: 0 2px 14px rgba(20, 20, 30, 0.06);
  --shadow-pop: 0 6px 20px rgba(20, 20, 30, 0.10);

  --baemin: #2ac1bc;
  --baemin-tint: #e3f7f6;
  --yogiyo: #fa0050;
  --yogiyo-tint: #ffe6ed;
  --coupangeats: #1481fa;
  --coupangeats-tint: #e7f1ff;
  --color-accent-tint: #e7f1ff;

  --donut-cost: #1481fa;
  --donut-brokerage: #a78bfa;
  --donut-payment: #7dd3fc;
  --donut-delivery: #fb923c;
  --donut-box: #f472b6;
  --donut-wrap: #94a3b8;
  --donut-net: #12b76a;
}

[data-platform="baemin"] { --brand: var(--baemin); --brand-tint: var(--baemin-tint); }
[data-platform="yogiyo"] { --brand: var(--yogiyo); --brand-tint: var(--yogiyo-tint); }
[data-platform="coupangeats"] { --brand: var(--coupangeats); --brand-tint: var(--coupangeats-tint); }

* { box-sizing: border-box; }

.advanced-panel[hidden],
.history-table[hidden],
.hero-tier[hidden],
.cc-best[hidden] {
  display: none;
}

html { font-size: 17px; }

body {
  margin: 0;
  font-family: "Pretendard", "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.5;
}

/* ===== 헤더 ===== */
.app-header {
  text-align: center;
  padding: 24px 16px 12px;
}
.app-title-row {
  display: flex;
  justify-content: center;
}
.app-header h1 {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 1.5rem;
  margin: 0 0 6px;
}
.app-icon {
  flex-shrink: 0;
}
.app-title-sub-badge {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-sub);
  background: #eaebee;
  padding: 4px 10px;
  border-radius: 999px;
}
.app-sub {
  font-size: 0.95rem;
  color: var(--color-sub);
  margin: 0;
}

/* ===== 안내 바 ===== */
.notice-bar {
  max-width: 1320px;
  margin: 0 auto 18px;
  padding: 0 18px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 8px 16px;
  text-align: center;
}
.notice-bar p {
  margin: 0;
  font-size: 0.85rem;
  color: var(--color-sub);
}
.notice-badge {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-accent);
  background: var(--color-accent-tint);
  padding: 4px 10px;
  border-radius: 999px;
  white-space: nowrap;
}

/* ===== 메인 레이아웃 ===== */
.app-main {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 18px 40px;
}

.layout-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.panel {
  background: var(--color-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  padding: 22px 20px;
}

.panel-title {
  font-size: 1.05rem;
  font-weight: 800;
  margin: 0 0 18px;
}

.sub-heading {
  font-size: 0.95rem;
  font-weight: 800;
  margin: 0 0 10px;
}

/* ===== 입력 필드 ===== */
.field-group {
  margin-bottom: 20px;
  min-width: 0;
}
.field-group.small {
  margin-bottom: 14px;
}
.field-label {
  display: block;
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 8px;
}
.hint {
  font-weight: 400;
  color: var(--color-sub);
  font-size: 0.85rem;
}

.money-input {
  display: flex;
  align-items: center;
  border-radius: 16px;
  overflow: hidden;
  background: #f2f3f5;
}
.num-input {
  flex: 1;
  min-width: 0;
  border: none;
  outline: none;
  background: transparent;
  padding: 13px 14px;
  font-size: 1.1rem;
  min-height: 46px;
  text-align: right;
  font-weight: 700;
  color: var(--color-text);
}
.money-input .unit {
  padding: 0 14px;
  font-size: 1rem;
  color: var(--color-sub);
  white-space: nowrap;
}
.num-input:focus {
  background: #eaf2ff;
}

/* ===== 플랫폼 버튼 ===== */
.platform-buttons {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}
.platform-btn {
  padding: 4px;
  border: none;
  border-radius: 16px;
  background: none;
  cursor: pointer;
  box-shadow: 0 0 0 2px transparent;
  transition: box-shadow 150ms ease, transform 150ms ease;
}
.platform-btn img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 12px;
  border: 1px solid var(--color-border);
}
.platform-btn:hover {
  transform: translateY(-2px);
}
.platform-btn.active {
  box-shadow: 0 0 0 2px var(--brand, var(--color-primary));
}

.platform-hint {
  margin: 8px 0 0;
  font-size: 0.82rem;
  color: var(--color-sub);
  line-height: 1.4;
}

/* ===== 고급 옵션 ===== */
.advanced-toggle {
  display: block;
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  color: var(--color-accent);
  font-size: 0.95rem;
  font-weight: 700;
  padding: 10px 0;
  cursor: pointer;
}
.advanced-panel {
  border-radius: 16px;
  background: #f7f8fa;
  padding: 14px;
  margin-bottom: 14px;
}

/* ===== 버튼 ===== */
.calc-btn {
  display: block;
  width: 100%;
  min-height: 52px;
  font-size: 1.15rem;
  font-weight: 800;
  color: #fff;
  background: var(--color-primary);
  border: none;
  border-radius: 999px;
  cursor: pointer;
  margin-top: 4px;
}
.calc-btn:active {
  background: var(--color-primary-dark);
}
.live-hint {
  text-align: center;
  font-size: 0.8rem;
  color: var(--color-sub);
  margin: 8px 0 0;
}

.reset-btn {
  display: block;
  width: 100%;
  min-height: 44px;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-sub);
  background: transparent;
  border: none;
  border-radius: 999px;
  cursor: pointer;
  margin-top: 6px;
}

/* ===== 히어로 결과 카드 ===== */
.hero-card {
  padding: 26px 22px;
  text-align: center;
  background: linear-gradient(160deg, #1481fa, #0d5fc4);
  border-radius: var(--radius);
  color: #fff;
  margin-bottom: 18px;
}
.hero-label {
  margin: 0;
  font-size: 0.95rem;
  opacity: 0.85;
}
.hero-amount-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  margin: 6px 0 16px;
}
.hero-amount {
  margin: 0;
  font-size: 2.6rem;
  font-weight: 900;
  letter-spacing: -0.02em;
}
.hero-tier {
  font-size: 0.85rem;
  font-weight: 800;
  padding: 5px 12px;
  border-radius: 999px;
  background: rgba(255,255,255,0.2);
}
.hero-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.hero-stat {
  background: rgba(255,255,255,0.12);
  border-radius: 14px;
  padding: 10px 8px;
}
.hero-stat-label {
  display: block;
  font-size: 0.78rem;
  opacity: 0.85;
  margin-bottom: 2px;
}
.hero-stat-value {
  display: block;
  font-size: 1.3rem;
  font-weight: 800;
}

/* ===== 비용 내역 + 도넛 차트 ===== */
.cost-breakdown-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-bottom: 20px;
}
.cost-breakdown-row > * {
  min-width: 0;
}

.cost-table-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 4px;
}
.unit-toggle {
  display: flex;
  background: #f2f3f5;
  border-radius: 999px;
  padding: 3px;
}
.unit-toggle-btn {
  border: none;
  background: transparent;
  font-size: 0.8rem;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: 999px;
  cursor: pointer;
  color: var(--color-sub);
}
.unit-toggle-btn.active {
  background: #fff;
  color: var(--color-text);
  box-shadow: var(--shadow-card);
}

.breakdown-list {
  list-style: none;
  margin: 10px 0 0;
  padding: 0;
  font-size: 0.95rem;
}
.breakdown-list li {
  display: flex;
  justify-content: space-between;
  padding: 7px 0;
  border-bottom: 1px solid var(--color-border);
}
.breakdown-list li.total {
  font-weight: 800;
  border-top: 2px solid var(--color-text);
  border-bottom: none;
  margin-top: 4px;
  padding-top: 10px;
}
.breakdown-list li .negative {
  color: var(--color-danger);
}
.breakdown-list li .positive {
  color: var(--color-success);
}

.donut-wrap {
  text-align: center;
}
.donut-chart {
  position: relative;
  width: 160px;
  height: 160px;
  border-radius: 50%;
  margin: 0 auto 12px;
  background: conic-gradient(var(--color-border) 0 100%);
}
.donut-center {
  position: absolute;
  inset: 22px;
  border-radius: 50%;
  background: var(--color-card);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.donut-center-label {
  font-size: 0.72rem;
  color: var(--color-sub);
}
.donut-center-value {
  font-size: 1.3rem;
  font-weight: 900;
  color: var(--color-success);
}
.donut-legend {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 6px 12px;
  font-size: 0.78rem;
  color: var(--color-sub);
}
.donut-legend li {
  display: flex;
  align-items: center;
  gap: 5px;
}
.donut-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
}

/* 하위 섹션 구분선 (계산 기록 / 플랫폼 비교 / 예상 월 순수익 공통) */
.history-wrap,
.compare-strip-wrap,
.monthly-wrap {
  border-top: 1px solid var(--color-border);
  padding-top: 18px;
}

/* ===== 계산 기록 ===== */
.history-wrap {
}
.history-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}
.history-clear-btn {
  border: none;
  background: transparent;
  color: var(--color-sub);
  font-size: 0.8rem;
  font-weight: 700;
  cursor: pointer;
}
.history-empty {
  font-size: 0.85rem;
  color: var(--color-sub);
  margin: 0;
}
.history-table-wrap {
  overflow-x: auto;
}
.history-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
  white-space: nowrap;
}
.history-table th, .history-table td {
  text-align: left;
  padding: 8px 6px;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text);
}
.history-table th {
  color: var(--color-sub);
  font-weight: 700;
}
.history-row-delete {
  border: none;
  background: transparent;
  color: var(--color-sub);
  cursor: pointer;
  font-size: 0.9rem;
}

/* ===== 리포트 카드 ===== */
.report-cards {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.report-card {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 14px 16px;
  background: #f7f8fa;
  border-radius: 16px;
  border-left: 4px solid var(--color-border);
}
.report-card.tone-success { border-left-color: var(--color-success); background: var(--color-success-tint); }
.report-card.tone-warning { border-left-color: var(--color-warning); background: var(--color-warning-tint); }
.report-card.tone-info { border-left-color: var(--color-accent); background: var(--color-accent-tint); }
.report-icon {
  font-size: 1.3rem;
  line-height: 1;
}
.report-body {
  flex: 1;
  min-width: 0;
}
.report-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 4px;
}
.report-row strong {
  font-size: 0.9rem;
}
.report-tag {
  font-size: 0.78rem;
  font-weight: 800;
  padding: 3px 10px;
  border-radius: 999px;
  background: #eaebee;
  color: var(--color-sub);
  white-space: nowrap;
}
.tone-success .report-tag { background: var(--color-success); color: #fff; }
.tone-warning .report-tag { background: var(--color-warning); color: #fff; }
.tone-info .report-tag { background: var(--color-accent); color: #fff; }
.report-text {
  margin: 0;
  font-size: 0.85rem;
  color: var(--color-sub);
  line-height: 1.5;
}
.report-card-summary .report-text { color: var(--color-text); }

/* ===== 플랫폼 비교 스트립 ===== */
.compare-strip-wrap {
  margin-bottom: 18px;
}
.compare-strip-hint {
  margin: 0 0 12px;
  font-size: 0.82rem;
  color: var(--color-sub);
}
.compare-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}
.compare-card {
  position: relative;
  padding: 14px 10px;
  text-align: center;
  background: #f7f8fa;
  border-radius: 14px;
}
.compare-card.best {
  box-shadow: var(--shadow-pop);
  background: var(--brand-tint, #f7f8fa);
}
.cc-badge {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 800;
  padding: 3px 10px;
  border-radius: 999px;
  margin-bottom: 6px;
  background: var(--brand-tint);
  color: var(--brand);
}
.cc-amount {
  margin: 4px 0;
  font-size: 1.15rem;
  font-weight: 900;
  color: var(--color-text);
}
.cc-rate {
  margin: 0;
  font-size: 0.78rem;
  color: var(--color-sub);
}
.cc-best {
  position: absolute;
  top: -9px;
  right: 8px;
  background: var(--color-text);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 800;
  padding: 3px 8px;
  border-radius: 999px;
}

/* ===== 예상 월 순수익 ===== */
.monthly-inputs {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 12px;
}
.monthly-result {
  margin-top: 4px;
  padding: 16px;
  background: #f7f8fa;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 6px;
}
.monthly-result-label {
  font-size: 0.9rem;
  color: var(--color-sub);
  font-weight: 700;
}
.monthly-result-value {
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--color-accent);
}

/* ===== 접이식: 얼마에 팔아야 할까? ===== */
.accordion {
  max-width: 1320px;
  margin: 18px auto 0;
  background: var(--color-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  padding: 4px 20px;
}
.accordion-summary {
  cursor: pointer;
  list-style: none;
  padding: 18px 0;
  font-size: 1.05rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 8px;
}
.accordion-summary::-webkit-details-marker { display: none; }
.accordion-summary::before {
  content: "▸";
  color: var(--color-sub);
  transition: transform 150ms ease;
}
.accordion[open] .accordion-summary::before {
  transform: rotate(90deg);
}
.accordion-hint {
  font-size: 0.82rem;
  font-weight: 400;
  color: var(--color-sub);
}
.accordion-body {
  padding-bottom: 20px;
}

.result-card {
  margin-top: 20px;
  padding: 24px 20px;
  text-align: center;
  background: #fafafa;
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
}
.result-label {
  margin: 0;
  font-size: 1rem;
  color: var(--color-sub);
}
.result-amount {
  margin: 6px 0;
  font-size: 2.2rem;
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--color-text);
}
.result-rate {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 700;
  display: inline-block;
  padding: 4px 14px;
  border-radius: 999px;
  background: var(--color-accent-tint);
  color: var(--color-accent);
}

.app-footer {
  text-align: center;
  font-size: 0.82rem;
  color: var(--color-sub);
  padding: 24px 16px 40px;
  max-width: 1320px;
  margin: 0 auto;
}
.app-footer p {
  margin: 4px 0;
}

/* ===== 태블릿 (>=768px) ===== */
@media (min-width: 768px) {
  .layout-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }
  .panel-input { grid-column: 1; grid-row: 1; }
  .panel-result { grid-column: 2; grid-row: 1; }
  .panel-report { grid-column: 1 / -1; grid-row: 2; }

  .cost-breakdown-row {
    grid-template-columns: 1.3fr 1fr;
    align-items: start;
  }
  .compare-strip {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ===== PC (>=1200px) : 3컬럼 ===== */
@media (min-width: 1200px) {
  .layout-grid {
    grid-template-columns: 340px minmax(0, 1fr) 380px;
    align-items: start;
  }
  .panel-input { grid-column: 1; grid-row: 1; }
  .panel-result { grid-column: 2; grid-row: 1; min-width: 0; }
  .panel-report { grid-column: 3; grid-row: 1; }

  .panel-input, .panel-result, .panel-report {
    position: sticky;
    top: 18px;
  }
}

/* ===== 모바일 ===== */
@media (max-width: 479px) {
  html { font-size: 16px; }
  .hero-amount { font-size: 2.1rem; }
  .compare-strip { grid-template-columns: 1fr; }
  .monthly-inputs { grid-template-columns: 1fr; }
}