:root {
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --radius: 16px;
  --text: #ffffff;
  --text-soft: rgba(255, 255, 255, 0.82);
  --text-muted: rgba(255, 255, 255, 0.55);
  --accent: #54a0ff;
  --wrong: #27ae60;
  --marker: #e74c3c;
  --sheet-bg: #141e30;
  --sheet-border: rgba(255, 255, 255, 0.12);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  color-scheme: dark;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.5;
  color: var(--text);
  min-height: 100vh;
  min-height: 100dvh;
  background: #0a0a0a;
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
  touch-action: manipulation;
}

.hidden { display: none !important; }

.shell {
  position: relative;
  width: 100%;
  height: 100vh;
  height: 100dvh;
}

.map-fullscreen {
  width: 100%;
  height: 100%;
}

.map-stage {
  position: relative;
  width: 100%;
  height: 100%;
  /* 桌面用 manipulation。none 会让 Safari 丢掉鼠标 click，菜单和红点都点不了。 */
  touch-action: manipulation;
  background: #fff;
  cursor: grab;
}

.map-stage:active {
  cursor: grabbing;
}

.map-svg {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  display: block;
}

.map-loading {
  position: absolute;
  inset: 0;
  z-index: 40;
  display: grid;
  place-items: center;
  background: rgba(10, 10, 10, 0.85);
  color: var(--text-soft);
  font-size: 16px;
}

.map-loading.error { color: #ff8a80; }

/* 浮动工具栏 */
.float-toolbar {
  position: absolute;
  top: max(12px, env(safe-area-inset-top));
  right: max(12px, env(safe-area-inset-right));
  z-index: 30;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
  max-width: calc(100% - 24px);
}

.toolbar-pill {
  display: flex;
  align-items: center;
  padding: 4px;
  gap: 2px;
  border-radius: 16px;
  background: rgba(10, 18, 32, 0.78);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.14);
  box-shadow:
    0 10px 28px rgba(0, 0, 0, 0.32),
    inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.toolbar-btn {
  border: none;
  font: inherit;
  cursor: pointer;
  color: rgba(255, 255, 255, 0.92);
  background: transparent;
  border-radius: 12px;
  min-width: 42px;
  height: 42px;
  padding: 0 10px;
  display: grid;
  place-items: center;
  transition: background 0.15s ease, transform 0.12s ease;
}

.toolbar-btn:active {
  transform: scale(0.94);
}

.toolbar-btn:hover {
  background: rgba(255, 255, 255, 0.08);
}

.toolbar-btn-accent {
  background: linear-gradient(160deg, rgba(84, 160, 255, 0.55), rgba(46, 134, 222, 0.35));
  box-shadow: 0 4px 14px rgba(84, 160, 255, 0.25);
}

.toolbar-btn-accent:hover {
  background: linear-gradient(160deg, rgba(84, 160, 255, 0.68), rgba(46, 134, 222, 0.45));
}

.toolbar-btn-icon {
  font-size: 22px;
  line-height: 1;
  font-weight: 300;
}

.toolbar-btn-label {
  font-size: 13px;
  font-weight: 600;
  padding: 0 14px;
  letter-spacing: 0.02em;
}

.toolbar-emoji {
  font-size: 20px;
  line-height: 1;
}

.toolbar-menu {
  width: 18px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.toolbar-menu i {
  display: block;
  height: 2px;
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.9);
}

.toolbar-sep {
  width: 1px;
  height: 22px;
  background: rgba(255, 255, 255, 0.12);
  margin: 0 1px;
  flex-shrink: 0;
}

.btn {
  border: none;
  font: inherit;
  cursor: pointer;
  color: var(--text);
  transition: background 0.15s, transform 0.1s;
}

.btn:active { transform: scale(0.96); }

.lock-badge {
  min-width: 28px;
  height: 28px;
  padding: 0 8px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: rgba(255, 193, 7, 0.35);
  border: 1px solid rgba(255, 193, 7, 0.55);
  font-size: 14px;
}

.marker.marker-locked { cursor: pointer; }
.marker.marker-locked.dragging { cursor: pointer; }

.map-stage.positions-locked .marker-hit { cursor: pointer; }

.drawer-hint {
  font-size: 12px;
  line-height: 1.45;
  color: var(--text-muted);
  padding: 0 4px 4px;
}

.drawer-footer {
  margin-top: auto;
  padding: 0 12px max(16px, env(safe-area-inset-bottom));
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: linear-gradient(180deg, transparent, rgba(0, 0, 0, 0.18));
}

.drawer-account {
  padding: 14px;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.04);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.drawer-account-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.drawer-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(145deg, #54a0ff, #2e86de);
  box-shadow: 0 4px 12px rgba(84, 160, 255, 0.35);
  flex-shrink: 0;
}

.drawer-account-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.drawer-account-label {
  font-size: 12px;
  color: var(--text-muted);
}

.drawer-account-name {
  font-size: 17px;
  font-weight: 600;
  color: var(--text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.btn-drawer-ghost {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.12);
  color: var(--text-soft);
  font-size: 13px;
  height: 40px;
}

.drawer-admin-fold {
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(0, 0, 0, 0.15);
  overflow: hidden;
}

.drawer-admin-summary {
  list-style: none;
  cursor: pointer;
  padding: 10px 14px;
  font-size: 13px;
  color: var(--text-muted);
  user-select: none;
}

.drawer-admin-summary::-webkit-details-marker {
  display: none;
}

.drawer-admin-summary::after {
  content: "▸";
  float: right;
  opacity: 0.6;
  transition: transform 0.15s ease;
}

.drawer-admin-fold[open] .drawer-admin-summary::after {
  transform: rotate(90deg);
}

.drawer-admin-fold[open] .drawer-admin-summary {
  color: var(--text-soft);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.drawer-tools-public {
  padding: 10px 12px 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  border-top: none;
}

.drawer-tools-public .drawer-hint {
  padding: 0 2px 2px;
  margin: 0;
  font-size: 11px;
}

.wrong-badge {
  min-width: 28px;
  height: 28px;
  padding: 0 8px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: var(--wrong);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  box-shadow: 0 2px 8px rgba(39, 174, 96, 0.5);
}

/* 地图标记 — 可拖动 */
.marker { cursor: grab; outline: none; }

@media (hover: none) and (pointer: coarse) {
  .map-stage,
  .marker {
    touch-action: none;
  }
}

.marker.dragging { cursor: grabbing; }

.marker.dragging .marker-dot {
  opacity: 0.85;
  stroke-width: 4;
}

.marker-hit { fill: transparent; pointer-events: all; }

.marker-dot {
  fill: var(--marker);
  stroke: #fff;
  stroke-width: 3;
  opacity: 0.95;
  pointer-events: none;
  transition: fill 0.2s;
}

.marker-ring {
  fill: rgba(231, 76, 60, 0.12);
  stroke: var(--marker);
  stroke-width: 2.5;
  opacity: 0.85;
  pointer-events: none;
  transition: stroke 0.2s, fill 0.2s;
}

.marker.selected .marker-dot { r: 28; fill: #c0392b; }
.marker.selected .marker-ring { r: 48; opacity: 1; }

/* 板块图 · 特大标记 */
.map-markers-xl .marker-dot {
  stroke-width: 4;
}

.map-markers-xl .marker-ring {
  stroke-width: 3.5;
}

.map-markers-xl .marker.selected .marker-dot { r: 48; }
.map-markers-xl .marker.selected .marker-ring { r: 72; opacity: 1; }

.marker.wrong .marker-dot { fill: var(--wrong); }
.marker.wrong .marker-ring {
  fill: rgba(39, 174, 96, 0.15);
  stroke: var(--wrong);
  opacity: 1;
}

.marker.wrong.selected .marker-dot { fill: #1e8449; }

/* 地图切换抽屉 */
.sheet-meta .coords {
  font-family: "SF Mono", Menlo, monospace;
  font-size: 14px;
  color: var(--text-muted);
}

.drawer-tools {
  margin-top: auto;
  padding: 12px 16px 24px;
  border-top: 1px solid var(--sheet-border);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.btn-drawer {
  width: 100%;
  height: 44px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-soft);
  font: inherit;
  font-size: 14px;
  cursor: pointer;
}

.btn-drawer:active { background: rgba(255, 255, 255, 0.12); }

.btn-drawer-accent {
  background: rgba(84, 160, 255, 0.22);
  border-color: rgba(84, 160, 255, 0.45);
  color: #fff;
  font-weight: 600;
}

.map-drawer {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 50;
  width: min(300px, 85vw);
  height: 100%;
  background: var(--sheet-bg);
  border-right: 1px solid var(--sheet-border);
  box-shadow: 8px 0 32px rgba(0, 0, 0, 0.5);
  display: flex;
  flex-direction: column;
  padding-top: env(safe-area-inset-top);
  animation: slideInLeft 0.25s ease;
}

@keyframes slideInLeft {
  from { transform: translateX(-100%); }
  to { transform: translateX(0); }
}

.drawer-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 18px 12px;
}

.drawer-head h2 {
  font-size: 17px;
  font-weight: 600;
}

.drawer-close {
  width: 36px;
  height: 36px;
  border: none;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-soft);
  font-size: 22px;
  cursor: pointer;
}

.drawer-backdrop {
  position: fixed;
  inset: 0;
  z-index: 40;
  background: rgba(0, 0, 0, 0.45);
}

.map-nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 0 12px 24px;
  overflow-y: auto;
}

.map-tab {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 14px 14px;
  border: none;
  border-radius: 12px;
  background: transparent;
  color: var(--text-soft);
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.map-tab.active {
  background: rgba(84, 160, 255, 0.2);
  color: var(--text);
}

.map-tab.soon { opacity: 0.5; cursor: default; }

.tab-icon { font-size: 20px; }
.tab-label { flex: 1; font-size: 15px; }

.tab-badge {
  font-size: 10px;
  padding: 2px 6px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-muted);
}

/* 底部菜单（点击山脉后） */
.mountain-sheet {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 60;
  max-height: min(72vh, 520px);
  background: var(--sheet-bg);
  border-radius: var(--radius) var(--radius) 0 0;
  border-top: 1px solid var(--sheet-border);
  box-shadow: 0 -8px 40px rgba(0, 0, 0, 0.45);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  padding-bottom: env(safe-area-inset-bottom);
  animation: slideUp 0.28s ease;
}

@keyframes slideUp {
  from { transform: translateY(100%); }
  to { transform: translateY(0); }
}

.sheet-backdrop {
  position: fixed;
  inset: 0;
  z-index: 55;
  background: rgba(0, 0, 0, 0.35);
}

.sheet-handle {
  width: 40px;
  height: 4px;
  margin: 10px auto 6px;
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.25);
}

.sheet-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  padding: 4px 20px 12px;
}

.sheet-head h3 {
  font-size: 22px;
  font-weight: 700;
  line-height: 1.3;
}

.sheet-close {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border: none;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-soft);
  font-size: 22px;
  cursor: pointer;
}

.sheet-meta {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 0 20px 16px;
}

.sheet-meta dt {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 3px;
}

.sheet-meta dd {
  font-size: 16px;
  color: var(--text-soft);
  line-height: 1.55;
}

.sheet-meta .elevation {
  font-size: 26px;
  font-weight: 700;
  color: #ffc857;
}

.sheet-meta .category-tag {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.sheet-actions {
  display: flex;
  gap: 10px;
  padding: 0 20px 16px;
}

.btn-wrong {
  flex: 1;
  height: 48px;
  border-radius: 12px;
  background: rgba(39, 174, 96, 0.2);
  border: 1px solid rgba(39, 174, 96, 0.45);
  color: #7dcea0;
  font-size: 16px;
  font-weight: 600;
}

.btn-wrong:active { background: rgba(39, 174, 96, 0.35); }

.btn-clear-wrong {
  flex: 1;
  height: 48px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--text-soft);
  font-size: 16px;
}

.sheet-wrong-list {
  border-top: 1px solid var(--sheet-border);
  padding: 14px 20px 20px;
}

.sheet-wrong-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-soft);
}

.btn-text {
  border: none;
  background: none;
  color: var(--text-muted);
  font: inherit;
  font-size: 13px;
  cursor: pointer;
  padding: 4px 0;
}

.btn-text:hover { color: #ff8a80; }

.wrong-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.wrong-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 12px 14px;
  border: none;
  border-radius: 10px;
  background: rgba(39, 174, 96, 0.12);
  border: 1px solid rgba(39, 174, 96, 0.25);
  color: var(--text);
  font: inherit;
  font-size: 15px;
  text-align: left;
  cursor: pointer;
}

.wrong-item-remove {
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-muted);
  font-size: 18px;
  line-height: 1;
}

.wrong-empty {
  font-size: 13px;
  color: var(--text-muted);
  text-align: center;
  padding: 12px 0;
}

.coming-soon {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  background: #141e30;
  color: var(--text-soft);
}

.soon-icon { font-size: 48px; opacity: 0.6; }

/* 游戏挑战 */
.map-stage.game-active .marker {
  cursor: pointer;
}

.game-prompt {
  position: absolute;
  left: max(10px, env(safe-area-inset-left));
  right: max(10px, env(safe-area-inset-right));
  bottom: max(10px, env(safe-area-inset-bottom));
  z-index: 32;
  max-width: 720px;
  margin: 0 auto;
  padding: 8px 10px;
  border-radius: 12px;
  background: rgba(20, 30, 48, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.16);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  pointer-events: auto;
}

.game-prompt-row {
  display: flex;
  align-items: center;
  gap: 8px 12px;
  flex-wrap: wrap;
}

.game-prompt-task {
  flex: 1 1 140px;
  min-width: 0;
  margin: 0;
  line-height: 1.35;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.game-prompt-label {
  font-size: 13px;
  color: var(--text-muted);
  margin-right: 4px;
}

.game-prompt-target {
  font-size: 17px;
  font-weight: 700;
  color: #ffc857;
}

.game-prompt-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  font-size: 12px;
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
}

.game-feedback {
  flex: 0 1 auto;
  max-width: min(200px, 38vw);
  margin: 0;
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.game-feedback.ok { color: #7dcea0; }
.game-feedback.bad { color: #ff8a80; }

.btn-game-exit {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  margin: 0;
  padding: 0;
  border: none;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-soft);
  font-size: 16px;
  line-height: 1;
  cursor: pointer;
}

.btn-game-exit:active {
  background: rgba(255, 255, 255, 0.16);
}

/* 中国政区图：提示条在顶部，避免挡住华南诸省 */
.game-prompt.game-prompt-at-top {
  top: max(10px, env(safe-area-inset-top));
  bottom: auto;
  left: max(10px, env(safe-area-inset-left));
  right: auto;
  width: min(540px, calc(100% - 150px));
  margin: 0;
  max-width: none;
}

@media (max-width: 480px) {
  .game-prompt-row {
    display: grid;
    grid-template-columns: 1fr auto;
    grid-template-areas:
      "task exit"
      "meta meta";
    align-items: center;
  }

  .game-prompt-task { grid-area: task; }
  .game-prompt-meta {
    grid-area: meta;
    justify-content: flex-start;
  }
  .btn-game-exit { grid-area: exit; }
  .game-feedback {
    grid-column: 1 / -1;
    max-width: none;
  }
}

.game-result-sheet {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 65;
  max-height: min(88vh, 640px);
  overflow: auto;
  background: var(--sheet-bg);
  border-radius: var(--radius) var(--radius) 0 0;
  border-top: 1px solid var(--sheet-border);
  box-shadow: 0 -8px 32px rgba(0, 0, 0, 0.45);
}

#gameResultBackdrop {
  z-index: 60;
}

.game-result-body {
  padding: 0 20px 24px;
}

.game-result-map {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.game-result-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-bottom: 16px;
}

.game-result-stats dt {
  font-size: 11px;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.game-result-stats dd {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
}

.game-result-accent {
  color: #54a0ff !important;
}

.game-result-wrong h4 {
  font-size: 14px;
  color: var(--text-soft);
  margin-bottom: 8px;
}

.game-wrong-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 200px;
  overflow: auto;
}

.game-wrong-list li {
  font-size: 14px;
  line-height: 1.45;
  padding: 10px 12px;
  border-radius: 10px;
  background: rgba(255, 138, 128, 0.12);
  border: 1px solid rgba(255, 138, 128, 0.25);
  color: var(--text-soft);
}

.game-result-perfect {
  font-size: 15px;
  color: #7dcea0;
  text-align: center;
  padding: 12px 0;
}

.game-result-hint {
  font-size: 12px;
  color: var(--text-muted);
  margin: 12px 0 16px;
  line-height: 1.45;
}

.leaderboard-sheet {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 65;
  max-height: min(85vh, 560px);
  overflow: auto;
  background: var(--sheet-bg);
  border-radius: var(--radius) var(--radius) 0 0;
  border-top: 1px solid var(--sheet-border);
  box-shadow: 0 -8px 32px rgba(0, 0, 0, 0.45);
}

#leaderboardBackdrop {
  z-index: 60;
}

.leaderboard-body {
  padding: 0 20px 24px;
}

.leaderboard-map {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.leaderboard-mine {
  font-size: 13px;
  color: var(--text-soft);
  padding: 10px 12px;
  margin-bottom: 12px;
  border-radius: 10px;
  background: rgba(84, 160, 255, 0.12);
  border: 1px solid rgba(84, 160, 255, 0.22);
}

.leaderboard-status {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.leaderboard-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.leaderboard-list li {
  display: grid;
  grid-template-columns: 32px 1fr auto;
  gap: 8px;
  align-items: center;
  padding: 10px 12px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 14px;
}

.leaderboard-list .lb-rank {
  font-weight: 700;
  color: var(--text-muted);
  text-align: center;
}

.leaderboard-list li.lb-top1 .lb-rank { color: #ffd166; }
.leaderboard-list li.lb-top2 .lb-rank { color: #c0c0c0; }
.leaderboard-list li.lb-top3 .lb-rank { color: #cd7f32; }

.leaderboard-list .lb-name {
  font-weight: 600;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.leaderboard-list .lb-meta {
  font-size: 12px;
  color: var(--text-muted);
  text-align: right;
  white-space: nowrap;
}

.game-result-actions {
  display: flex;
  gap: 10px;
}

.btn-primary {
  flex: 1;
  height: 48px;
  border-radius: 12px;
  border: none;
  background: var(--accent);
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
}

.btn-ghost {
  flex: 1;
  height: 48px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-soft);
  font-size: 16px;
  cursor: pointer;
}

.auth-gate {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: max(20px, env(safe-area-inset-top)) max(20px, env(safe-area-inset-right)) max(20px, env(safe-area-inset-bottom)) max(20px, env(safe-area-inset-left));
  background: radial-gradient(ellipse at 50% 0%, rgba(84, 160, 255, 0.18), transparent 55%), #0a1628;
}

.auth-card {
  width: min(400px, 100%);
  padding: 28px 24px 24px;
  border-radius: var(--radius);
  border: 1px solid var(--sheet-border);
  background: var(--sheet-bg);
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.45);
}

.auth-title {
  font-size: 26px;
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: 0.02em;
}

.auth-subtitle {
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.55;
  margin-bottom: 20px;
}

.auth-label {
  display: block;
  font-size: 13px;
  color: var(--text-soft);
  margin-bottom: 8px;
}

.auth-input {
  width: 100%;
  height: 48px;
  padding: 0 14px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(0, 0, 0, 0.25);
  color: var(--text);
  font-size: 16px;
  margin-bottom: 14px;
}

.auth-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(84, 160, 255, 0.25);
}

.auth-submit {
  width: 100%;
}

.auth-error {
  margin-top: 12px;
  font-size: 14px;
  color: #ff6b6b;
  line-height: 1.45;
}

.auth-config-missing {
  color: var(--text-soft);
  font-size: 15px;
  line-height: 1.55;
}

@media (orientation: landscape) and (min-height: 500px) {
  .mountain-sheet {
    left: auto;
    right: max(12px, env(safe-area-inset-right));
    bottom: max(12px, env(safe-area-inset-bottom));
    width: min(380px, 38vw);
    max-height: calc(100vh - 24px);
    border-radius: var(--radius);
    border: 1px solid var(--sheet-border);
  }
}