:root {
  --bg: #e9eff6;
  --surface: #ffffff;
  --surface2: #ffffff;
  --border: #dde3ee;
  --text: #0f172a;
  --muted: #475569;
  --primary: #2563eb;
  --danger: #e11d48;
  --ok: #16a34a;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial,
    "Apple SD Gothic Neo", "Noto Sans KR", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

/* Side ad rails (only show on wide screens) */
.ad-rail {
  display: none;
}

/* 컨테이너(850px) 기준 레일 배치
   - Step2: 우측만 표시 (레일이 화면에 30% 미만만 보일 수준이면 숨김)
   - Step1: 좌/우 모두 표시 (좌측은 완전히 들어갈 때쯤부터 표시)
*/
@media (min-width: 1054px) {
  /* right rail is >= ~30% visible */
  .ad-rail {
    display: block;
    position: fixed;
    top: 0;
    width: 300px;
    min-height: 600px;
    z-index: 1;
    padding-top: 12px;
  }

  .ad-rail--right {
    right: calc(50% - 425px - 300px - 12px);
  }
}

/* 좌측 레일은 제거됨 */

.ad-mock {
  display: none;
  border: 1px dashed rgba(71, 85, 105, 0.35);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.65);
  color: rgba(71, 85, 105, 0.9);
  place-items: center;
  font-weight: 800;
  font-size: 0.85rem;
  user-select: none;
}

.ad-mock--top {
  height: 280px;
}

.ad-mock--bottom {
  height: 600px;
}

.ad-mock {
  position: absolute;
  left: 0;
  right: 0;
}

strong {
  color: var(--text);
}

.container {
  width: min(850px, calc(100% - 2rem));
  margin: 0 auto;
}

.header {
  padding: 1.6rem 0 0.75rem;
}

.header__top {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  justify-content: space-between;
  border-bottom: 1px solid var(--border);
  padding-bottom: 1rem;
}

.title {
  margin: 0;
  font-size: 1.55rem;
  letter-spacing: -0.02em;
}

.subtitle {
  margin: 0.35rem 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  padding: 1rem 0 1.5rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1rem;
}

.card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.75rem;
}

.card__header .card__header {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0;
}

.card__title {
  margin: 0;
  font-size: 1.05rem;
  color: var(--muted);
  font-weight: 600;
}

.card__actions {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.row {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  flex-wrap: wrap;
  margin-top: 0.75rem;
}

.row--right {
  justify-content: flex-end;
}

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

.btn {
  appearance: none;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text);
  padding: 0.65rem 0.85rem;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.95rem;
  transition: transform 0.06s ease, opacity 0.2s ease, border-color 0.2s ease;
}

.btn:hover {
  opacity: 0.92;
  border-color: #34507f;
}

.btn:active {
  transform: scale(0.99);
}

.btn--primary {
  background: var(--primary);
  border-color: transparent;
  color: #ffffff;
}

.btn--ghost {
  background: rgba(255, 255, 255, 0.02);
}

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

.btn--rebalance {
  background: #2563eb;
  border-color: rgba(37, 99, 235, 0.35);
  color: #ffffff;
  font-weight: 700;
}

.btn--rebalance:hover {
  opacity: 1;
  border-color: rgba(37, 99, 235, 0.55);
  background: rgba(37, 99, 235, 0.35);
}

.btn--rebalance:active {
  transform: scale(0.98);
}

.chip {
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.03);
  padding: 0.25rem 0.5rem;
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.82rem;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.chip__icon {
  width: 14px;
  height: 14px;
  stroke: currentColor;
  stroke-width: 2;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
  opacity: 0.95;
}

.toggle {
  display: inline-flex;
  gap: 0.5rem;
  align-items: center;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.02);
  padding: 0.4rem 0.6rem;
  border-radius: 999px;
  cursor: pointer;
  user-select: none;
}

.toggle input {
  display: none;
}

.toggle span {
  font-weight: 800;
  font-size: 0.86rem;
  color: var(--muted);
}

.toggle input:checked + span {
  color: var(--text);
}

.toggle:has(input:checked) {
  background: rgba(37, 99, 235, 0.08);
  border-color: rgba(37, 99, 235, 0.35);
}

.assets {
  display: grid;
  gap: 0.75rem;
  margin-top: 0.75rem;
}

.asset {
  position: relative;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.75rem;
  background: #ffffff;
}

/* Slightly less round across pill-like controls */
.toggle,
.mode-pill span {
  border-radius: 6px;
}

/* Tooltip help icon */
.rebalance-wrap {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.help {
  width: 26px;
  height: 26px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: #ffffff;
  color: rgba(71, 85, 105, 0.9);
  font-weight: 900;
  line-height: 1;
  display: inline-grid;
  place-items: center;
  cursor: help;
  position: relative;
}

.help:hover {
  border-color: rgba(37, 99, 235, 0.35);
}

.help::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 34px;
  right: 0;
  width: min(320px, calc(100vw - 24px));
  padding: 0.85rem 0.95rem;
  background: #f8fafc;
  border: 1px solid var(--border);
  border-radius: 10px;
  box-shadow: var(--shadow);
  color: rgba(15, 23, 42, 0.9);
  font-weight: 500;
  font-size: 0.86rem;
  line-height: 1.35;
  white-space: normal;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-4px);
  transition: opacity 0.15s ease, transform 0.15s ease;
  z-index: 5;
}

.help:hover::after,
.help:focus-visible::after {
  opacity: 1;
  transform: translateY(0);
}

.asset__header {
  display: flex;
  align-items: flex-start;
  justify-content: flex-start;
  gap: 0.6rem;
  margin-bottom: 0.6rem;
}

.asset__header-left {
  display: inline-flex;
  gap: 0.35rem;
  align-items: center;
}

.help--inline {
  width: 20px;
  height: 20px;
  font-size: 12px;
}

.help--inline::after {
  bottom: 26px;
}

.asset__header-title {
  color: rgba(71, 85, 105, 0.55);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  user-select: none;
  margin-right: 0.15rem;
}

.asset__remove {
  position: absolute;
  top: 0.55rem;
  right: 0.55rem;
  width: 26px;
  height: 26px;
  border-radius: 8px;
  border: 1px solid rgba(251, 113, 133, 0.55);
  background: rgba(251, 113, 133, 0.08);
  color: rgba(251, 113, 133, 0.95);
  font-weight: 900;
  font-size: 18px;
  line-height: 1;
  display: inline-grid;
  place-items: center;
  cursor: pointer;
}

.asset__remove:hover {
  border-color: rgba(251, 113, 133, 0.9);
  background: rgba(251, 113, 133, 0.14);
  color: #ffd7de;
}

.asset__remove:active {
  transform: scale(0.98);
}

.mode-pill {
  display: inline-flex;
  align-items: center;
  user-select: none;
}

.mode-pill input {
  display: none;
}

.mode-pill span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.25rem 0.5rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: transparent;
  color: rgba(71, 85, 105, 0.75);
  font-weight: 800;
  font-size: 0.78rem;
  letter-spacing: -0.01em;
  cursor: pointer;
}

.mode-pill input:checked + span {
  background: rgba(37, 99, 235, 0.08);
  border-color: rgba(37, 99, 235, 0.35);
  color: var(--text);
}

.mode-pill span:hover {
  border-color: rgba(71, 85, 105, 0.35);
}

.asset__grid {
  display: grid;
  grid-template-columns: 280px 120px 320px;
  gap: 0.6rem;
  align-items: start;
}

.field {
  display: grid;
  gap: 0.35rem;
}

.field--inline {
  display: inline-grid;
  grid-auto-flow: column;
  grid-auto-columns: max-content;
  align-items: center;
  gap: 0.5rem;
}

.field--inline label {
  margin: 0;
}

.field--inline select {
  width: auto;
  min-width: 86px;
  padding: 0.45rem 0.55rem;
  font-size: 0.9rem;
}

.field label {
  font-size: 0.86rem;
  color: var(--muted);
  font-weight: 600;
}

.label-with-help {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.label-with-help .help {
  width: 20px;
  height: 20px;
  font-size: 12px;
}

.label-with-help .help::after {
  bottom: 26px;
}

.field input,
.field select {
  width: 100%;
  border: 1px solid var(--border);
  background: #ffffff;
  color: var(--text);
  padding: 0.6rem 0.7rem;
  border-radius: 10px;
  font-size: 0.95rem;
  color-scheme: light;
}

.field input:disabled,
.field select:disabled {
  background: rgba(255, 255, 255, 0.03);
  border-color: rgba(154, 164, 178, 0.35);
  color: rgba(154, 164, 178, 0.9);
  cursor: not-allowed;
  filter: saturate(0.7);
}

.field input:disabled::placeholder {
  color: rgba(154, 164, 178, 0.75);
}

.field select option {
  background: var(--surface2);
  color: var(--text);
}

.asset--auto .asset-custom-cagr:disabled {
  background: #f1f5f9;
}

/* Hide number input spinners (keep type=number) */
input[type="number"]::-webkit-outer-spin-button,
input[type="number"]::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

input[type="number"] {
  -moz-appearance: textfield;
  appearance: textfield;
}

.field input:focus,
.field select:focus {
  outline: none;
  border-color: #3b82f6;
}

.field .hint {
  font-size: 0.8rem;
  color: var(--muted);
}

.link-muted {
  color: var(--muted);
  text-decoration: none;
  font-weight: 600;
}

.link-muted:hover {
  text-decoration: underline;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-top: 0.75rem;
}

.form-row {
  grid-column: 1 / -1;
  display: grid;
  gap: 0.75rem;
}

.form-row--contrib {
  grid-template-columns: 1fr 1fr; /* align with form-grid columns */
  align-items: end;
}

.contrib-left {
  display: grid;
  grid-template-columns: 1fr 1fr; /* half + half inside '투자기간' width */
  gap: 0.75rem;
}

.results {
  margin-top: 0.75rem;
  display: grid;
  gap: 0.75rem;
}

#details-card {
  margin-top: 1.15rem;
}

.kpis {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
}

.kpi {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.8rem;
  background: rgba(255, 255, 255, 0.03);
}

.kpi__label {
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 600;
}

.kpi__value {
  margin-top: 0.35rem;
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.kpi__value.ok {
  color: var(--ok);
}

.kpi__value.bad {
  color: var(--danger);
}

.table-wrap {
  overflow: auto;
  border: 1px solid var(--border);
  border-radius: 12px;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 620px;
}

th,
td {
  padding: 0.6rem 0.7rem;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
}

th {
  text-align: left;
  color: var(--muted);
  background: rgba(0, 0, 0, 0.2);
  position: sticky;
  top: 0;
}

tr:last-child td {
  border-bottom: none;
}

.muted {
  color: var(--muted);
}

.hidden {
  display: none !important;
}

.disclaimer {
  margin-top: 0.85rem;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.7rem 0.85rem;
  background: rgba(255, 255, 255, 0.02);
}

.disclaimer summary {
  cursor: pointer;
  font-weight: 700;
  color: var(--muted);
}

.disclaimer ul {
  margin: 0.6rem 0 0;
  padding-left: 1.1rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.howto {
  margin-top: 0.85rem;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.7rem 0.85rem;
  background: rgba(255, 255, 255, 0.02);
}

.howto summary {
  cursor: pointer;
  font-weight: 700;
  color: var(--muted);
}

.howto__body {
  margin-top: 0.7rem;
  color: rgba(15, 23, 42, 0.85);
  font-size: 0.92rem;
}

.howto__body h3 {
  margin: 0.6rem 0 0.4rem;
  font-size: 1.04rem;
  color: rgba(15, 23, 42, 0.8);
  font-weight: 800;
}

.howto__body ol {
  margin: 0.3rem 0 0;
  padding-left: 1.15rem;
}

.howto__body ul {
  margin: 0.35rem 0 0.25rem;
  padding-left: 1.15rem;
}

.ad-slot {
  margin: 1rem 0 0.25rem;
}

/* 광고는 AdSense가 슬롯 내부에 렌더링 */

.footer {
  padding: 1rem 0 2rem;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
}

.footer__title {
  font-weight: 800;
}

.footer__meta {
  color: var(--muted);
  font-size: 0.9rem;
  margin-top: 0.15rem;
}

@media (min-width: 980px) {
  .grid {
    grid-template-columns: 1fr;
    align-items: start;
  }

  /* stack layout: investment conditions on top, then portfolio */
}

@media (max-width: 520px) {
  .form-grid {
    grid-template-columns: 1fr;
  }

  .form-row--contrib {
    grid-template-columns: 1fr;
  }

  .contrib-left {
    grid-template-columns: 1fr;
  }

  .asset__grid {
    grid-template-columns: 1fr;
  }

  .help::after {
    right: auto;
    left: 50%;
    width: min(280px, calc(100vw - 24px));
    transform: translate(-50%, -4px);
  }

  .help:hover::after,
  .help:focus-visible::after {
    transform: translate(-50%, 0);
  }
}