:root {
  --bg: #f7f9fc;
  --panel: rgba(255, 255, 255, 0.92);
  --line: rgba(108, 132, 168, 0.18);
  --text: #17324d;
  --muted: #6d8198;
  --accent: #2f80ed;
  --accent-2: #4bb3a7;
  --accent-soft: #eaf3ff;
  --shadow: 0 18px 44px rgba(69, 106, 154, 0.12);
  --track-height: 0.45rem;
  --thumb-size: 1.2rem;
}

* {
  box-sizing: border-box;
}

html {
  font-size: 16px;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Noto Sans KR", "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 0% 0%, rgba(111, 183, 255, 0.16), transparent 22%),
    radial-gradient(circle at 100% 0%, rgba(75, 179, 167, 0.14), transparent 18%),
    linear-gradient(180deg, #f8fbff 0%, #f4f8fd 48%, #eff5fb 100%);
}

body.nav-open {
  overflow: hidden;
}

button,
input,
select {
  font: inherit;
}

.bg-orb {
  position: fixed;
  border-radius: 999px;
  filter: blur(38px);
  opacity: 0.4;
  pointer-events: none;
}

.orb-a {
  top: 4rem;
  right: -5rem;
  width: 18rem;
  height: 18rem;
  background: rgba(47, 128, 237, 0.16);
}

.orb-b {
  left: -4rem;
  bottom: 6rem;
  width: 15rem;
  height: 15rem;
  background: rgba(75, 179, 167, 0.14);
}

.page-shell {
  position: relative;
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 1.5rem 0 2.5rem;
}

.nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(16, 32, 54, 0.38);
  backdrop-filter: blur(4px);
  z-index: 20;
}

.side-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: min(21rem, calc(100vw - 2rem));
  height: 100vh;
  padding: 1.25rem;
  display: grid;
  align-content: start;
  gap: 1rem;
  border-right: 1px solid var(--line);
  background: rgba(248, 251, 255, 0.98);
  box-shadow: 0 20px 48px rgba(25, 49, 84, 0.18);
  transform: translateX(-100%);
  transition: transform 220ms ease;
  z-index: 30;
}

.side-nav.is-open {
  transform: translateX(0);
}

.side-nav-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.side-nav-head strong {
  font-family: "Do Hyeon", "Noto Sans KR", sans-serif;
  font-size: 1.35rem;
  font-weight: 400;
}

.side-nav-copy {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.side-nav-tabs {
  display: grid;
  gap: 0.7rem;
}

.side-nav-ad-note {
  padding: 1rem;
  border: 1px dashed rgba(47, 128, 237, 0.24);
  border-radius: 1.15rem;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(241, 247, 255, 0.92));
}

.side-nav-ad-note span {
  display: inline-block;
  margin-bottom: 0.4rem;
  font-family: "Montserrat", sans-serif;
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  color: var(--accent);
}

.side-nav-ad-note p {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
  font-size: 0.88rem;
}

.topbar,
.hero,
.panel,
.draw-card,
.flow-card,
.result-card {
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow);
  border-radius: 1.4rem;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  padding: 0.7rem 1rem;
  margin-bottom: 0.55rem;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(243, 248, 255, 0.92)),
    linear-gradient(90deg, rgba(47, 128, 237, 0.04), rgba(75, 179, 167, 0.05));
}

.topbar-brand {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  min-width: 0;
  flex: 1 1 20rem;
}

.menu-entry {
  display: grid;
  justify-items: center;
  gap: 0.28rem;
  flex: 0 0 auto;
}

.menu-entry-label {
  display: block;
  width: 100%;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-align: center;
  color: var(--muted);
}

.topbar-brand-copy {
  display: grid;
  gap: 0.16rem;
  min-width: 0;
}

.topbar-brand strong {
  font-family: "Do Hyeon", "Noto Sans KR", sans-serif;
  font-size: 1.64rem;
  font-weight: 400;
  line-height: 1.05;
}

.topbar-brand span {
  color: var(--muted);
  font-size: 0.84rem;
}

.topbar-brand-copy .eyebrow {
  font-size: 0.76rem;
  letter-spacing: 0.16em;
}

.topbar-meta-inline {
  gap: 0.12rem 0.8rem;
  font-size: 0.76rem;
  font-family: "Noto Sans KR", "Segoe UI", sans-serif;
}

.topbar-meta-inline span,
.topbar-meta-inline strong {
  font-family: "Noto Sans KR", "Segoe UI", sans-serif;
  font-size: inherit;
  line-height: inherit;
}

.topbar-meta-inline strong {
  font-weight: 700;
}

.icon-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  width: 2.9rem;
  height: 2.9rem;
  border: 1px solid rgba(47, 128, 237, 0.16);
  border-radius: 1rem;
  background: rgba(255, 255, 255, 0.78);
  color: var(--accent);
  cursor: pointer;
  transition: transform 160ms ease, background-color 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}

.side-nav-close {
  color: var(--muted);
}

.icon-btn:hover,
.icon-btn:focus-visible {
  background: var(--accent-soft);
  border-color: rgba(47, 128, 237, 0.34);
  box-shadow: inset 0 0 0 1px rgba(47, 128, 237, 0.1);
}

.menu-btn {
  flex-direction: column;
  gap: 0.26rem;
}

.menu-btn span,
.side-nav-close span {
  display: block;
  width: 1.15rem;
  height: 2px;
  border-radius: 999px;
  background: currentColor;
}

.side-nav-close span:first-child {
  position: absolute;
  transform: rotate(45deg) translate(1px, 1px);
}

.side-nav-close span:last-child {
  position: absolute;
  transform: rotate(-45deg) translate(1px, -1px);
}

.hero {
  display: grid;
  gap: 0.9rem;
  padding: 1.1rem 1.4rem;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.97), rgba(239, 246, 255, 0.95)),
    linear-gradient(120deg, rgba(47, 128, 237, 0.05), rgba(75, 179, 167, 0.05));
}

.hero-copy-block {
  display: grid;
  gap: 0.42rem;
}

.eyebrow,
.panel-kicker {
  margin: 0;
  letter-spacing: 0.18em;
  font-size: 0.74rem;
  color: var(--accent);
  font-family: "Montserrat", sans-serif;
  font-weight: 800;
}

.hero h1,
.panel-head h2 {
  margin: 0;
  font-family: "Do Hyeon", "Noto Sans KR", sans-serif;
  font-weight: 400;
  letter-spacing: -0.02em;
}

.hero h1 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1.03;
}

.hero-copy,
.subtle-copy,
.draw-date,
.result-note,
.exclude-help,
.section-label {
  color: var(--muted);
  line-height: 1.6;
}

.hero-copy {
  margin: 0;
}

.hero-meta-inline {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1.1rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.hero-meta-inline strong {
  color: var(--text);
  font-weight: 700;
}

.game-switch {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.game-tab {
  border: 1px solid rgba(47, 128, 237, 0.16);
  background: rgba(255, 255, 255, 0.75);
  color: var(--muted);
  border-radius: 999px;
  padding: 0.78rem 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform 160ms ease, background-color 160ms ease, border-color 160ms ease, color 160ms ease, box-shadow 160ms ease;
}

.game-tab.active,
.game-tab:hover,
.game-tab:focus-visible {
  color: var(--accent);
  border-color: rgba(47, 128, 237, 0.34);
  background: var(--accent-soft);
  box-shadow: inset 0 0 0 1px rgba(47, 128, 237, 0.1);
}

.content-grid {
  display: grid;
  gap: 1rem;
  margin-top: 0.8rem;
}

.panel {
  padding: 1.25rem;
}

.panel-head {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.panel-head h2 {
  font-size: 1.6rem;
}

.latest-list,
.generated-sets {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.85rem;
  margin-top: 1rem;
}

.draw-card,
.result-card {
  display: grid;
  gap: 0.85rem;
  min-width: 0;
  padding: 1rem;
  background: linear-gradient(180deg, #ffffff 0%, #f7fbff 100%);
}

.draw-meta {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.65rem;
  flex-wrap: wrap;
}

.draw-title,
.result-title {
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
}

.draw-date {
  font-size: 0.84rem;
  white-space: nowrap;
}

.controls-stack {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.control-block {
  grid-column: span 4;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 1.2rem;
  background: linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
  min-width: 0;
  overflow: hidden;
}

.control-label,
.input-label {
  display: block;
  margin-bottom: 0.65rem;
  font-weight: 700;
  color: var(--text);
}

.slider-block {
  display: grid;
  gap: 0.85rem;
}

.slider-head {
  display: grid;
  gap: 0.2rem;
}

.slider-head strong {
  font-size: 1.25rem;
  font-weight: 700;
}

.dual-range-slider,
.single-range-slider {
  position: relative;
  height: var(--thumb-size);
}

.range-track,
.range-progress {
  position: absolute;
  top: 50%;
  height: var(--track-height);
  border-radius: 999px;
  transform: translateY(-50%);
}

.range-track {
  left: 0;
  right: 0;
  background: linear-gradient(90deg, rgba(47, 128, 237, 0.12), rgba(75, 179, 167, 0.16));
}

.range-progress {
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
}

.range-slider {
  width: 100%;
  margin: 0;
  padding: 0;
  appearance: none;
  height: 100%;
  background: transparent;
  outline: none;
}

.dual-range-slider .range-slider {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.single-range-slider .range-slider {
  position: relative;
  z-index: 2;
}

.range-slider::-webkit-slider-runnable-track {
  height: var(--thumb-size);
  border-radius: 999px;
  background: transparent;
}

.range-slider::-moz-range-track {
  height: var(--thumb-size);
  border-radius: 999px;
  background: transparent;
}

.range-slider::-moz-range-progress {
  height: var(--thumb-size);
  background: transparent;
}

.range-slider::-webkit-slider-thumb {
  appearance: none;
  width: var(--thumb-size);
  height: var(--thumb-size);
  border-radius: 50%;
  border: 3px solid #ffffff;
  background: var(--accent);
  box-shadow: 0 8px 18px rgba(47, 128, 237, 0.24);
  cursor: pointer;
  pointer-events: auto;
  margin-top: 0;
}

.range-slider::-moz-range-thumb {
  width: var(--thumb-size);
  height: var(--thumb-size);
  border: 3px solid #ffffff;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 8px 18px rgba(47, 128, 237, 0.24);
  cursor: pointer;
  pointer-events: auto;
}

.range-slider-start {
  z-index: 2;
}

.range-slider-end {
  z-index: 3;
}

.slider-scale {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.exclude-controls {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(0, 1fr) minmax(4.9rem, auto) minmax(4.9rem, auto);
  gap: 0.5rem;
  align-items: stretch;
  width: 100%;
}

.exclude-controls:has(#exclude-position-select.is-hidden) {
  grid-template-columns: minmax(0, 1.52fr) minmax(5.15rem, 0.74fr) minmax(5.6rem, 0.82fr);
}

.exclude-controls > * {
  min-width: 0;
}

#exclude-position-select,
#exclude-value-select {
  width: 100%;
  min-width: 0;
  padding: 0.84rem 1rem;
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: #ffffff;
  color: var(--text);
}

#exclude-value-select:disabled {
  background: #f4f8fd;
  color: var(--muted);
}

.exclude-help {
  margin: 0.55rem 0 0;
  font-size: 0.84rem;
}

.mini-btn,
.action-btn {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #ffffff;
  color: var(--text);
  cursor: pointer;
  transition: transform 160ms ease, background-color 160ms ease, border-color 160ms ease, color 160ms ease, box-shadow 160ms ease;
}

.mini-btn {
  padding: 0.8rem 0.9rem;
  border-radius: 1rem;
  white-space: nowrap;
}

.mini-btn:hover,
.mini-btn:focus-visible,
.action-btn:hover,
.action-btn:focus-visible {
  background: var(--accent-soft);
  border-color: rgba(47, 128, 237, 0.34);
  color: var(--accent);
}

.exclude-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.75rem;
  width: 100%;
  max-width: 100%;
  overflow: hidden;
}

.exclude-chip,
.exclude-empty {
  border-radius: 999px;
  padding: 0.42rem 0.72rem;
  font-size: 0.9rem;
  max-width: 100%;
}

.exclude-chip {
  border: 1px solid rgba(47, 128, 237, 0.2);
  background: var(--accent-soft);
  color: var(--accent);
  cursor: pointer;
  white-space: normal;
  word-break: keep-all;
}

.exclude-empty {
  background: #f4f8fd;
  color: var(--muted);
}

.summary-layout {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem;
  margin-top: 1rem;
}

.flow-card {
  padding: 1rem;
  background: linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
  min-width: 0;
}

.frequency-card {
  grid-column: span 2;
}

.mini-head strong {
  font-size: 1rem;
}

.flow-card .mini-head + .ball-strip,
.flow-card .mini-head + .frequency-inline,
.flow-card .mini-head + .metric-inline,
.flow-card .mini-head + .metric-value {
  margin-top: 0.55rem;
}

.ball-row,
.ball-strip,
.frequency-inline,
.pension-row {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  flex-wrap: wrap;
}

.ball {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.15rem;
  height: 2.15rem;
  border-radius: 999px;
  color: white;
  font-size: 0.92rem;
  font-weight: 700;
  box-shadow: inset 0 -8px 14px rgba(0, 0, 0, 0.12);
}

.ball.bonus {
  outline: 2px dashed rgba(23, 50, 77, 0.2);
  outline-offset: 2px;
}

.ball-divider {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 0.9rem;
  line-height: 1;
  color: var(--muted);
  font-weight: 700;
}

.ball.range-1 { background: #ffb020; }
.ball.range-2 { background: #2f80ed; }
.ball.range-3 { background: #ff6b6b; }
.ball.range-4 { background: #4bb3a7; }
.ball.range-5 { background: #8a63d2; }

.pension-row {
  gap: 0.5rem;
}

.pension-ball {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.15rem;
  height: 2.15rem;
  border-radius: 50%;
  border: 3px solid currentColor;
  background: transparent;
  font-size: 0.92rem;
  font-weight: 800;
  white-space: nowrap;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.78);
}

.pension-band-ball {
  width: 2.15rem;
  color: #153b63;
  border-color: rgba(21, 59, 99, 0.72);
  font-size: 0.76rem;
}

.pension-pos-1 { color: #ffb020; }
.pension-pos-2 { color: #2f80ed; }
.pension-pos-3 { color: #ff6b6b; }
.pension-pos-4 { color: #4bb3a7; }
.pension-pos-5 { color: #8a63d2; }
.pension-pos-6 { color: #5f7f9f; }

.pension-bonus-ball {
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.78);
}

.pension-neutral-ball {
  color: #6a84aa;
}

.pension-bonus-line {
  display: grid;
  gap: 0.45rem;
  align-content: start;
}

.section-label {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 700;
  margin: 0;
}

.position-stat {
  display: grid;
  gap: 0.5rem;
  min-width: 0;
  padding: 0.9rem;
  border: 1px solid rgba(47, 128, 237, 0.12);
  border-radius: 1rem;
  background: linear-gradient(180deg, #ffffff 0%, #f7fbff 100%);
}

.position-stat-label {
  font-size: 0.84rem;
  font-weight: 700;
  color: var(--muted);
  text-align: center;
}

.position-stat-balls {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.42rem;
  min-width: 0;
  justify-items: center;
}

.frequency-inline.pension-frequency-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 0.7rem;
}

.frequency-inline.lotto-frequency-grid {
  display: flex;
  flex-wrap: wrap;
}

.ball-strip.pension-hot-rank {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 2.15rem));
  justify-content: center;
  gap: 0.45rem;
}

.generator-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1rem;
}

.action-btn {
  padding: 0.8rem 1.05rem;
}

.algorithm-btn.active {
  background: var(--accent-soft);
  border-color: rgba(47, 128, 237, 0.34);
  color: var(--accent);
  box-shadow: inset 0 0 0 1px rgba(47, 128, 237, 0.1);
}

.metric-value {
  display: inline-block;
  margin-top: 0.1rem;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.2;
}

.metric-card {
  display: grid;
  align-content: start;
  justify-items: stretch;
}

.metric-card .mini-head {
  justify-self: stretch;
  text-align: left;
}

.metric-card .metric-inline,
.metric-card .metric-value,
.metric-card .subtle-copy {
  justify-self: center;
  text-align: center;
}

.metric-inline {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  flex-wrap: wrap;
  text-align: center;
}

.pension-band-card {
  grid-template-rows: auto 1fr;
}

.pension-band-card .metric-inline {
  align-self: center;
}

.result-card .ball-row,
.result-card .pension-row {
  margin-top: 0.15rem;
}

.result-note,
.metric-card .subtle-copy {
  font-size: 0.84rem;
}

.ad-slot {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  min-height: 92px;
  border: 1px dashed rgba(47, 128, 237, 0.28);
  border-radius: 1.1rem;
  background: linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
  color: var(--muted);
  text-align: center;
}

.ad-slot span {
  font-family: "Montserrat", sans-serif;
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  color: var(--accent);
}

.is-hidden {
  display: none;
}

@media (max-width: 980px) {
  .controls-stack {
    grid-template-columns: 1fr 1fr;
  }

  .control-block {
    grid-column: span 1;
  }
}

@media (max-width: 680px) {
  .page-shell {
    width: min(100% - 1rem, 100%);
    padding-top: 1rem;
  }

  .topbar,
  .hero,
  .panel {
    padding: 1rem;
    border-radius: 1.2rem;
  }

  .topbar {
    align-items: stretch;
    gap: 0.75rem;
    margin-bottom: 0.45rem;
    padding: 0.58rem 0.85rem;
  }

  .topbar-brand {
    width: 100%;
    justify-content: flex-start;
  }

  .topbar-brand strong {
    font-size: 1.34rem;
  }

  .side-nav-head strong {
    font-size: 1.12rem;
  }

  .topbar-brand-copy .eyebrow {
    font-size: 0.7rem;
    letter-spacing: 0.14em;
  }

  .topbar-meta-inline {
    gap: 0.05rem 0.55rem;
    font-size: 0.66rem;
  }

  .topbar-meta-inline span,
  .topbar-meta-inline strong {
    font-size: 0.66rem;
  }

  .hero-meta-inline {
    flex-direction: column;
    gap: 0.12rem;
    font-size: 0.68rem;
  }

  .latest-list,
  .generated-sets,
  .controls-stack,
  .summary-layout {
    grid-template-columns: 1fr;
  }

  .frequency-card {
    grid-column: span 1;
  }

  .draw-card,
  .result-card,
  .flow-card,
  .control-block {
    padding: 0.92rem;
  }

  .draw-ball-row,
  .ball-row,
  .pension-row,
  .position-stat-balls {
    gap: 0.34rem;
  }

  .ball {
    width: 1.92rem;
    height: 1.92rem;
    font-size: 0.82rem;
  }

  .pension-ball {
    width: 1.92rem;
    height: 1.92rem;
    font-size: 0.86rem;
  }

  .pension-band-ball {
    width: 1.92rem;
    font-size: 0.68rem;
  }

  .section-label,
  .result-note,
  .metric-card .subtle-copy {
    font-size: 0.78rem;
  }

  .exclude-controls {
    grid-template-columns: 1fr 1fr;
  }

  .exclude-controls:has(#exclude-position-select.is-hidden) {
    grid-template-columns: 1fr 1fr;
  }

  #exclude-position-select,
  #exclude-value-select {
    grid-column: span 2;
  }

  .generator-controls,
  .side-nav-tabs,
  .frequency-inline.pension-frequency-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
  }

  .frequency-inline.lotto-frequency-grid {
    display: grid;
    grid-template-columns: repeat(7, minmax(0, 1fr));
    gap: 0.34rem;
    justify-items: center;
  }

  .ball-strip.pension-hot-rank {
    grid-template-columns: repeat(5, minmax(0, 1.92rem));
    gap: 0.34rem;
  }

  .action-btn,
  .game-tab {
    width: 100%;
    justify-content: center;
    padding: 0.75rem 0.5rem;
    font-size: 0.9rem;
  }
}