:root {
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #070a0f;
  color: #edf2f7;
  --panel: rgba(9, 14, 22, 0.72);
  --panel-strong: rgba(10, 16, 25, 0.88);
  --line: rgba(226, 232, 240, 0.16);
  --text-soft: #aebaca;
  --text-dim: #7f8ca3;
  --accent: #38bdf8;
  --accent-strong: #0ea5e9;
  --danger: #ef4444;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html,
body {
  width: 100%;
  min-width: 320px;
  height: 100%;
  margin: 0;
  overflow: hidden;
}

body {
  background: #070a0f;
}

body.gatewayPage {
  min-height: 100%;
  height: auto;
  overflow: auto;
}

button,
select,
input {
  font: inherit;
}

button,
select {
  border: 1px solid var(--line);
  color: #f8fafc;
  background: rgba(15, 23, 42, 0.78);
}

button {
  min-height: 42px;
  border-radius: 8px;
  padding: 10px 14px;
  cursor: pointer;
  transition: border-color 140ms ease, background 140ms ease, transform 80ms ease;
}

button:hover {
  border-color: rgba(56, 189, 248, 0.62);
  background: rgba(30, 41, 59, 0.88);
}

button:active {
  transform: translateY(1px);
}

select {
  min-width: 210px;
  height: 42px;
  border-radius: 8px;
  padding: 0 34px 0 12px;
}

h1,
h2 {
  margin: 0;
  letter-spacing: 0;
}

h1 {
  font-size: 18px;
  line-height: 1.15;
  font-weight: 760;
}

h2 {
  font-size: 13px;
  line-height: 1.2;
  color: #f8fafc;
  text-transform: uppercase;
}

.appShell {
  position: relative;
  width: 100vw;
  height: 100dvh;
  min-height: 620px;
  overflow: hidden;
}

.videoStage {
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(circle at 50% 40%, rgba(56, 189, 248, 0.08), transparent 30%),
    #070a0f;
}

.videoStage video {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  background: #05070b;
}

.videoShade {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(3, 7, 18, 0.62) 0%, rgba(3, 7, 18, 0.08) 34%, rgba(3, 7, 18, 0.56) 100%),
    linear-gradient(90deg, rgba(3, 7, 18, 0.48) 0%, transparent 34%, rgba(3, 7, 18, 0.4) 100%);
}

.topHud,
.hudPanel,
.videoBadge {
  position: absolute;
  z-index: 3;
}

.topHud {
  top: 18px;
  left: 18px;
  right: 18px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.brandBlock,
.robotBar,
.hudPanel,
.videoBadge {
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: 0 20px 52px rgba(0, 0, 0, 0.34);
  backdrop-filter: blur(18px);
}

.brandBlock {
  min-width: 278px;
  border-radius: 8px;
  padding: 13px 14px 12px;
}

.status {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px;
  color: var(--text-soft);
  font-size: 12px;
}

.status span,
.videoBadge,
.mono {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.robotBar {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  max-width: min(760px, calc(100vw - 340px));
  border-radius: 8px;
  padding: 10px;
}

.robotBar label {
  color: var(--text-soft);
  font-size: 12px;
  font-weight: 700;
}

#joinSkywayBtn,
#setPoseBtn,
#capturePhotoBtn {
  border-color: rgba(14, 165, 233, 0.54);
  background: linear-gradient(180deg, rgba(14, 165, 233, 0.95), rgba(2, 132, 199, 0.95));
  font-weight: 740;
}

#joinSkywayBtn {
  min-width: 150px;
  white-space: nowrap;
}

.switchControl {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0 12px;
  background: rgba(15, 23, 42, 0.66);
  color: #e5edf7;
  font-size: 13px;
  font-weight: 700;
}

.switchControl input {
  width: 18px;
  height: 18px;
  margin: 0;
  accent-color: #22c55e;
}

.switchControl span {
  white-space: nowrap;
}

.hudPanel {
  border-radius: 8px;
  padding: 14px;
}

.panelHeader {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
}

.mono {
  min-width: 0;
  color: var(--text-soft);
  font-size: 11px;
  line-height: 1.35;
  overflow-wrap: anywhere;
}

.mapPanel {
  left: 18px;
  top: 104px;
  width: min(420px, calc(100vw - 36px));
  max-height: calc(100dvh - 128px);
  display: grid;
  grid-template-rows: auto auto auto auto auto;
  gap: 10px;
}

.mapPanel canvas {
  width: 100%;
  aspect-ratio: 4 / 3;
  max-height: min(44dvh, 420px);
  display: block;
  border: 1px solid rgba(226, 232, 240, 0.18);
  border-radius: 8px;
  background: #0b1020;
  touch-action: none;
  cursor: grab;
}

.mapPanel canvas:active {
  cursor: grabbing;
}

.mapControls,
.cameraControls,
.audioControls {
  display: grid;
  gap: 9px 10px;
}

.mapControls {
  grid-template-columns: auto minmax(120px, 1fr) auto;
  align-items: center;
}

.mapControls label,
.mapControls span,
.cameraControls label,
.audioControls label {
  color: var(--text-soft);
  font-size: 12px;
  font-weight: 720;
}

.mapControls b {
  color: #f8fafc;
}

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

#setPoseBtn {
  width: 100%;
}

.panelMeta {
  display: grid;
  gap: 3px;
}

.cameraPanel {
  top: 104px;
  right: 18px;
  width: min(360px, calc(100vw - 36px));
}

.cameraControls {
  grid-template-columns: auto minmax(130px, 1fr);
  align-items: center;
}

.cameraControls button {
  grid-column: 1 / -1;
  justify-self: end;
  min-height: 36px;
  padding: 7px 12px;
  font-size: 13px;
}

.audioControls {
  grid-template-columns: auto minmax(130px, 1fr) auto;
  align-items: center;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

.audioControls .audioMute {
  min-height: 36px;
  padding: 0 10px;
}

.controlPanel {
  right: 18px;
  bottom: 18px;
  width: min(350px, calc(100vw - 36px));
  background: var(--panel-strong);
}

.pad {
  display: grid;
  grid-template-columns: repeat(3, minmax(74px, 1fr));
  grid-template-rows: repeat(3, 68px);
  gap: 10px;
}

.move,
.stop {
  width: 100%;
  height: 100%;
  min-height: 0;
  border-radius: 8px;
  font-weight: 820;
}

.move {
  font-size: 26px;
  background: rgba(15, 23, 42, 0.82);
}

.stop {
  border-color: rgba(248, 113, 113, 0.7);
  background: linear-gradient(180deg, #ef4444, #b91c1c);
  font-size: 15px;
}

.captureControls {
  margin-top: 12px;
}

.captureControls button {
  width: 100%;
}

.videoBadge {
  left: 18px;
  bottom: 18px;
  max-width: min(520px, calc(100vw - 400px));
  border-radius: 8px;
  padding: 9px 11px;
  color: #dbeafe;
}

.hint,
.row,
.card,
.grid,
.single {
  display: contents;
}

.gatewayPage header {
  position: sticky;
  top: 0;
  z-index: 5;
  padding: 16px 18px 10px;
  background: rgba(7, 10, 15, 0.92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.gatewayPage .single {
  display: grid;
  place-items: start center;
  padding: 18px;
}

.gatewayPage .card {
  display: grid;
  width: min(920px, 100%);
  gap: 12px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-strong);
  box-shadow: 0 20px 52px rgba(0, 0, 0, 0.28);
}

.gatewayActions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.gatewayActions select,
.gatewayActions button {
  width: auto;
  height: 42px;
  min-height: 42px;
}

.gatewayPage #startBtn {
  border-color: rgba(14, 165, 233, 0.54);
  background: linear-gradient(180deg, rgba(14, 165, 233, 0.95), rgba(2, 132, 199, 0.95));
  font-weight: 740;
}

.gatewayPage #stopBtn {
  width: fit-content;
  min-width: 112px;
  border-color: rgba(248, 113, 113, 0.7);
  background: rgba(127, 29, 29, 0.72);
  font-size: 14px;
}

.gatewayPage #cameraCanvas {
  width: 100%;
  aspect-ratio: 4 / 3;
  max-height: 70dvh;
  display: block;
  border: 1px solid rgba(226, 232, 240, 0.18);
  border-radius: 8px;
  background: #05070b;
}

.gatewayPage #cameraCanvas[hidden] {
  display: none;
}

.gatewayPage .cameraControls {
  grid-template-columns: auto minmax(180px, 1fr);
}

.gatewayPage .hint,
.gatewayPage #robotInfo,
.gatewayPage #gatewayStatus {
  display: block;
}

@media (max-width: 1180px) {
  .cameraPanel {
    display: none;
  }

  .robotBar {
    max-width: none;
    flex-wrap: wrap;
  }

  .videoBadge {
    max-width: calc(100vw - 386px);
  }
}

@media (max-width: 860px) {
  body {
    overflow: auto;
  }

  .appShell {
    min-height: 100dvh;
    height: auto;
    display: grid;
    gap: 12px;
    padding: 12px;
    overflow: visible;
  }

  .videoStage {
    position: relative;
    height: 48dvh;
    min-height: 280px;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--line);
  }

  .topHud,
  .hudPanel,
  .videoBadge {
    position: relative;
    inset: auto;
    width: 100%;
    max-width: none;
  }

  .topHud {
    display: grid;
    gap: 12px;
    order: -1;
  }

  .brandBlock,
  .robotBar,
  .hudPanel,
  .videoBadge {
    width: 100%;
  }

  .robotBar {
    justify-content: stretch;
  }

  .robotBar select,
  #joinSkywayBtn,
  .switchControl {
    width: 100%;
  }

  .mapPanel {
    max-height: none;
  }

  .cameraPanel {
    display: block;
  }

  .videoBadge {
    order: 5;
  }
}

@media (max-width: 560px) {
  .appShell {
    padding: 10px;
  }

  .brandBlock,
  .robotBar,
  .hudPanel,
  .videoBadge {
    border-radius: 8px;
  }

  .robotBar,
  .cameraControls,
  .audioControls,
  .mapControls {
    grid-template-columns: 1fr;
  }

  .robotBar {
    display: grid;
  }

  .panelHeader {
    display: grid;
  }

  .pad {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    grid-template-rows: repeat(3, 62px);
    gap: 8px;
  }
}

/* ── ログインオーバーレイ ──────────────────────────────────────────────────── */

.loginOverlay {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #0a0a0a;
  z-index: 9999;
}

.loginCard {
  background: #1a1a1a;
  border: 1px solid #333;
  border-radius: 8px;
  padding: 2rem 2.5rem;
  width: min(360px, 90vw);
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.loginCard h2 {
  margin: 0;
  font-size: 1.2rem;
  color: #e5e5e5;
  text-align: center;
}

.loginCard form {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.loginCard label {
  font-size: 0.85rem;
  color: #aaa;
}

.loginCard input[type="password"] {
  width: 100%;
  padding: 0.6rem 0.75rem;
  background: #111;
  border: 1px solid #444;
  border-radius: 4px;
  color: #e5e5e5;
  font-size: 1rem;
  box-sizing: border-box;
}

.loginCard input[type="password"]:focus {
  outline: none;
  border-color: #888;
}

.loginCard button[type="submit"] {
  padding: 0.65rem;
  background: #3b82f6;
  border: none;
  border-radius: 4px;
  color: #fff;
  font-size: 1rem;
  cursor: pointer;
}

.loginCard button[type="submit"]:hover {
  background: #2563eb;
}

.loginError {
  margin: 0;
  font-size: 0.85rem;
  color: #f87171;
  text-align: center;
}