:root {
  --bg-0: #08131a;
  --bg-1: #0f2430;
  --bg-2: #19465d;
  --panel: rgba(7, 19, 27, 0.78);
  --line: rgba(178, 222, 243, 0.18);
  --text: #edf7ff;
  --muted: #a6c5d6;
  --accent: #ffb85c;
  --accent-2: #58d0ff;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.38);
  --sun-mood: 0.2;
  --warm-glow: rgba(255, 185, 102, 0.24);
  --cool-glow: rgba(101, 191, 255, 0.18);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background:
    radial-gradient(circle at top right, rgba(107, 191, 255, 0.22), transparent 28%),
    radial-gradient(circle at bottom left, rgba(255, 163, 94, 0.18), transparent 34%),
    linear-gradient(160deg, var(--bg-0), var(--bg-1) 46%, var(--bg-2));
  color: var(--text);
  font-family: "IBM Plex Sans KR", sans-serif;
}

body {
  overflow: hidden;
}

button,
input,
select {
  font: inherit;
}

button,
select,
input {
  border: 1px solid rgba(196, 229, 245, 0.18);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
}

button {
  cursor: pointer;
  transition:
    transform 180ms ease,
    background 180ms ease,
    border-color 180ms ease,
    opacity 180ms ease;
}

button:hover {
  transform: translateY(-1px);
  border-color: rgba(255, 255, 255, 0.32);
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
  transform: none;
}

input,
select,
button {
  padding: 0.78rem 0.95rem;
}

input:focus,
select:focus,
button:focus {
  outline: 2px solid rgba(88, 208, 255, 0.52);
  outline-offset: 1px;
}

.app-shell {
  display: grid;
  grid-template-columns: 420px minmax(0, 1fr);
  gap: 1.1rem;
  height: calc(100vh - 54px);
  padding: 1rem;
}

.sidebar {
  display: grid;
  gap: 1rem;
  align-content: start;
  overflow: auto;
  padding-right: 0.25rem;
}

.panel {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 24px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.06), transparent 22%),
    var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
  padding: 1rem 1.05rem 1.1rem;
}

.panel::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  background: linear-gradient(135deg, rgba(88, 208, 255, 0.08), transparent 22%, transparent 78%, rgba(255, 184, 92, 0.08));
}

.brand h1 {
  margin: 0.2rem 0 0.6rem;
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(1.6rem, 2vw, 2rem);
  line-height: 1.05;
}

.eyebrow {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-2);
}

.lede,
.panel-head p,
.topbar-card span,
.credits,
.status-strip span,
.info-list span,
.range-field span,
.compact-select span {
  color: var(--muted);
}

.brand .lede,
.panel-head p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.55;
}

.status-strip,
.info-list div,
.row-actions,
.viewport-topbar,
.topbar-actions,
.field-grid,
.preset-grid,
.map-tools {
  display: grid;
  gap: 0.8rem;
}

.status-strip {
  margin-top: 1rem;
  grid-template-columns: auto 1fr;
}

.panel-head {
  margin-bottom: 0.9rem;
}

.panel-head h2 {
  margin: 0 0 0.3rem;
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.05rem;
}

.preset-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.preset-grid button {
  min-height: 56px;
  text-align: left;
}

.preset-grid button strong,
.preset-grid button span {
  display: block;
}

.preset-grid button span {
  color: var(--muted);
  font-size: 0.82rem;
}

.field-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

label {
  display: grid;
  gap: 0.45rem;
  font-size: 0.9rem;
}

label span {
  color: var(--muted);
}

.primary-btn,
.accent-btn {
  border: none;
  color: #08131a;
  font-weight: 700;
}

.primary-btn {
  background: linear-gradient(135deg, var(--accent), #ffd483);
}

.accent-btn {
  background: linear-gradient(135deg, var(--accent-2), #d8f6ff);
}

#goto-sunrise {
  width: 100%;
  margin-bottom: 0.9rem;
}

.info-list {
  display: grid;
  gap: 0.65rem;
  margin: 1rem 0;
}

.info-list div {
  grid-template-columns: auto 1fr;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 0.65rem;
}

.info-list strong,
.status-strip strong,
.hud-card strong {
  font-size: 0.96rem;
  justify-self: end;
  text-align: right;
}

.range-field {
  margin: 0.9rem 0 0.25rem;
}

.range-field strong {
  color: var(--text);
  font-size: 0.88rem;
}

input[type="range"] {
  width: 100%;
  padding: 0;
  accent-color: var(--accent);
}

.row-actions {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: end;
  margin-top: 0.8rem;
}

.compact-select select {
  width: 100%;
}

.map-tools {
  grid-template-columns: minmax(0, 1fr);
  margin-bottom: 0.9rem;
}

#annual-chart {
  width: 100%;
  height: auto;
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.01));
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.map-panel {
  padding-bottom: 0.9rem;
}

.map-frame {
  height: 320px;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.viewport {
  position: relative;
  min-width: 0;
  border-radius: 30px;
  overflow: hidden;
  border: 1px solid rgba(196, 229, 245, 0.12);
  background:
    radial-gradient(circle at top left, rgba(255, 189, 92, 0.12), transparent 18%),
    radial-gradient(circle at top right, rgba(115, 197, 255, 0.08), transparent 18%),
    linear-gradient(180deg, rgba(8, 19, 26, 0.62), rgba(8, 19, 26, 0.18));
  box-shadow: 0 32px 90px rgba(0, 0, 0, 0.36);
}

.viewport-topbar {
  position: absolute;
  inset: 1rem 1rem auto 1rem;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: start;
  z-index: 4;
}

.viewport-topbar button {
  padding: 0.8rem 1rem;
  border-radius: 999px;
  min-width: 120px;
  font-size: 0.94rem;
  letter-spacing: 0.02em;
  background: rgba(12, 26, 36, 0.38);
  color: var(--text);
  border: 1px solid rgba(235, 246, 255, 0.12);
  backdrop-filter: blur(14px);
}

.viewport-topbar button:hover {
  background: rgba(19, 39, 53, 0.58);
}

.topbar-actions .accent-btn {
  background: linear-gradient(135deg, rgba(108, 219, 255, 0.9), rgba(206, 245, 255, 0.95));
  color: #071118;
}

body.walk-mode .accent-btn {
  background: linear-gradient(135deg, rgba(255, 191, 105, 0.95), rgba(255, 223, 158, 0.96));
  color: #071118;
}

.scene-ribbon,
.hud-bar,
.scene-toast {
  border: 1px solid rgba(255, 255, 255, 0.08);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.04), transparent 58%),
    linear-gradient(180deg, rgba(6, 17, 24, 0.46), rgba(6, 17, 24, 0.24));
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.08),
    0 18px 40px rgba(0, 0, 0, 0.18);
  backdrop-filter: blur(18px) saturate(125%);
}

.scene-ribbon {
  display: grid;
  grid-template-columns: auto auto 1fr;
  align-items: center;
  gap: 0.85rem;
  min-height: 54px;
  padding: 0.7rem 1rem;
  border-radius: 999px;
  background:
    linear-gradient(90deg, rgba(255, 179, 96, calc(0.025 + var(--sun-mood) * 0.04)), transparent 24%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.04), transparent 58%),
    linear-gradient(180deg, rgba(6, 17, 24, 0.5), rgba(6, 17, 24, 0.22));
}

.scene-ribbon-eyebrow {
  color: rgba(138, 214, 255, 0.92);
  font-family: "Space Grotesk", sans-serif;
  font-size: 0.76rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.scene-ribbon strong {
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: rgba(237, 247, 255, 0.92);
}

.scene-status-line {
  justify-self: end;
  min-width: 0;
  color: rgba(196, 221, 235, 0.76);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.scene-status-line[data-tone="error"] {
  color: rgba(255, 196, 183, 0.92);
}

.topbar-actions {
  grid-auto-flow: column;
  gap: 0.55rem;
}

.scene-host {
  position: absolute;
  inset: 0;
}

.scene-host canvas {
  display: block;
}

.cinematic-overlays {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
}

.atmosphere-haze,
.scene-vignette,
.sun-shaft {
  position: absolute;
  inset: 0;
}

.atmosphere-haze {
  background:
    linear-gradient(180deg, rgba(255, 203, 145, calc(0.012 + var(--sun-mood) * 0.02)) 0%, rgba(255, 170, 98, calc(0.018 + var(--sun-mood) * 0.04)) 22%, rgba(22, 64, 96, 0) 40%),
    linear-gradient(180deg, rgba(255, 214, 159, 0) 50%, rgba(255, 162, 101, calc(0.02 + var(--sun-mood) * 0.04)) 58%, rgba(13, 28, 42, 0.05) 68%, rgba(5, 10, 16, 0.12) 100%);
  mix-blend-mode: screen;
}

.scene-vignette {
  background: radial-gradient(circle at 50% 42%, transparent 0%, transparent 54%, rgba(4, 10, 15, 0.08) 76%, rgba(2, 4, 8, 0.26) 100%);
}

.sun-shaft {
  inset: auto;
  width: min(8vw, 92px);
  height: 56%;
  left: 50%;
  top: 24%;
  opacity: 0;
  border-radius: 999px;
  transform: translate(-50%, -4%);
  background: linear-gradient(180deg, rgba(255, 241, 206, 0.24), rgba(255, 210, 146, 0.08) 34%, rgba(255, 183, 104, 0.01) 100%);
  filter: blur(10px);
  mix-blend-mode: screen;
}

.viewport[data-render-overlays="off"] .atmosphere-haze,
.viewport[data-render-overlays="off"] .sun-shaft,
.viewport[data-render-overlays="off"] .scene-vignette {
  opacity: 0;
  display: none;
}

.scene-toast {
  position: absolute;
  left: 50%;
  top: 5.4rem;
  z-index: 5;
  min-width: 200px;
  max-width: min(56vw, 480px);
  padding: 0.72rem 1rem;
  border-radius: 999px;
  font-size: 0.83rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-align: center;
  color: rgba(244, 249, 255, 0.94);
  opacity: 0;
  transform: translate(-50%, -10px);
  transition: opacity 220ms ease, transform 220ms ease;
}

.scene-toast.visible {
  opacity: 1;
  transform: translate(-50%, 0);
}

.scene-toast.error {
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08), 0 18px 40px rgba(64, 5, 5, 0.24);
}

.hud {
  position: absolute;
  left: 1rem;
  right: 1rem;
  bottom: 1rem;
  z-index: 4;
}

.hud-bar {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) repeat(2, minmax(0, 0.85fr));
  gap: 1rem;
  align-items: center;
  min-height: 68px;
  padding: 0.82rem 1rem 0.92rem;
  border-radius: 999px;
  background:
    linear-gradient(90deg, rgba(255, 179, 96, calc(0.02 + var(--sun-mood) * 0.035)), transparent 22%),
    linear-gradient(180deg, rgba(7, 17, 26, 0.42), rgba(7, 17, 26, 0.18));
}

.hud-metric {
  min-width: 0;
}

.hud-metric span {
  display: block;
  margin-bottom: 0.2rem;
  color: rgba(196, 221, 235, 0.72);
  font-size: 0.73rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.hud-metric strong {
  display: block;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: rgba(245, 250, 255, 0.96);
}

.touch-controls {
  position: absolute;
  right: 1.15rem;
  bottom: 6rem;
  display: grid;
  grid-template-columns: repeat(2, 72px);
  gap: 0.8rem;
  z-index: 5;
  opacity: 0;
  pointer-events: none;
  transition: opacity 180ms ease, transform 180ms ease;
  transform: translateY(10px);
}

.touch-controls button {
  width: 72px;
  min-height: 72px;
  border-radius: 50%;
  font-size: 1.38rem;
  font-weight: 600;
  background:
    radial-gradient(circle at 30% 28%, rgba(255, 255, 255, 0.12), transparent 42%),
    linear-gradient(180deg, rgba(10, 23, 33, 0.46), rgba(10, 23, 33, 0.2));
  border: 1px solid rgba(196, 229, 245, 0.14);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08), 0 14px 30px rgba(0, 0, 0, 0.18);
}

body.walk-mode .touch-controls {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.credits {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  align-items: center;
  min-height: 54px;
  padding: 0 1rem 1rem;
  font-size: 0.82rem;
}

.leaflet-container {
  font-family: "IBM Plex Sans KR", sans-serif;
}

@media (max-width: 1180px) {
  body {
    overflow: auto;
  }

  .app-shell {
    grid-template-columns: 1fr;
    height: auto;
  }

  .viewport {
    min-height: 64vh;
  }
}

@media (max-width: 760px) {
  .app-shell {
    padding: 0.8rem;
  }

  .field-grid,
  .row-actions,
  .preset-grid,
  .map-tools {
    grid-template-columns: 1fr;
  }

  .viewport-topbar,
  .topbar-actions {
    grid-template-columns: 1fr;
  }

  .viewport-topbar {
    inset: 0.8rem;
  }

  .scene-ribbon {
    grid-template-columns: 1fr;
    gap: 0.2rem;
    border-radius: 26px;
  }

  .scene-status-line {
    justify-self: start;
  }

  .hud {
    left: 0.8rem;
    right: 0.8rem;
    bottom: 0.8rem;
  }

  .hud-bar {
    grid-template-columns: 1fr;
    border-radius: 26px;
  }

  .touch-controls {
    right: 0.8rem;
    bottom: 10.8rem;
  }
}