:root {
  --bg: #141210;
  --bg-deep: #0d0b09;
  --panel: #1d1a16;
  --panel-2: #24201b;
  --border: #3a332a;
  --border-light: #4a4136;
  --text: #efe7da;
  --muted: #a2988a;
  --faint: #756b5e;
  --accent: #d9a441;
  --accent-light: #f0c46a;
  --accent-dark: #a97b28;
  --danger: #c2554a;
  --radius: 6px;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 0%, #241f19 0%, var(--bg) 45%, var(--bg-deep) 100%);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC", sans-serif;
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

button {
  font: inherit;
  color: inherit;
  cursor: pointer;
  touch-action: manipulation;
}

button:disabled {
  cursor: not-allowed;
}

input {
  font: inherit;
}

h1,
h2,
h3,
h4,
p {
  margin: 0;
}

/* ---------- 登录 ---------- */

.auth-screen {
  min-height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.auth-card {
  width: min(380px, 100%);
  padding: 30px 26px 24px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  box-shadow: 0 18px 50px rgba(0, 0, 0, .45);
}

.auth-brand {
  text-align: center;
  margin-bottom: 24px;
}

.auth-logo {
  width: 64px;
  height: 64px;
  margin: 0 auto 10px;
}

.auth-logo svg {
  width: 100%;
  height: 100%;
  display: block;
}

.auth-brand h1 {
  font-size: 28px;
  letter-spacing: 6px;
  color: var(--accent-light);
}

.auth-brand p {
  margin-top: 4px;
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 2px;
}

.auth-tabs {
  display: flex;
  border-bottom: 1px solid var(--border);
  margin-bottom: 18px;
}

.auth-tab {
  flex: 1;
  padding: 9px 0;
  background: none;
  border: 0;
  border-bottom: 2px solid transparent;
  color: var(--muted);
  font-size: 14px;
}

.auth-tab.active {
  color: var(--accent-light);
  border-bottom-color: var(--accent);
}

.field {
  display: block;
  margin-bottom: 14px;
}

.field span {
  display: block;
  margin-bottom: 5px;
  color: var(--muted);
  font-size: 12px;
}

.field input {
  width: 100%;
  height: 38px;
  padding: 0 11px;
  background: var(--bg-deep);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  outline: none;
}

.field input:focus {
  border-color: var(--accent-dark);
}

.field input::placeholder {
  color: var(--faint);
  font-size: 12px;
}

.form-error {
  min-height: 18px;
  margin: 2px 0 8px;
  color: var(--danger);
  font-size: 12px;
}

.btn-primary {
  width: 100%;
  height: 40px;
  background: var(--accent);
  border: 1px solid var(--accent-dark);
  border-radius: var(--radius);
  color: #1a1508;
  font-weight: 700;
}

.btn-primary:hover:not(:disabled) {
  background: var(--accent-light);
}

.btn-primary:disabled {
  opacity: .6;
}

.auth-hint {
  margin-top: 14px;
  color: var(--faint);
  font-size: 11px;
  text-align: center;
}

.auth-note {
  margin-bottom: 16px;
  padding: 12px;
  background: var(--bg-deep);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--muted);
  font-size: 12px;
}

.btn-text {
  display: block;
  margin: 12px auto 0;
  padding: 4px 10px;
  background: none;
  border: 0;
  color: var(--faint);
  font-size: 12px;
}

.btn-text:hover {
  color: var(--accent-light);
}

.auth-foot {
  margin-top: 18px;
  color: var(--faint);
  font-size: 11px;
  letter-spacing: 1px;
}

/* ---------- 主界面 ---------- */

.game-screen {
  height: 100dvh;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
}

.topbar {
  display: flex;
  align-items: center;
  gap: 22px;
  padding: 12px 20px;
  background: rgba(29, 26, 22, .92);
  border-bottom: 1px solid var(--border);
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 10px;
  min-width: 110px;
}

.brand-name {
  font-size: 19px;
  letter-spacing: 4px;
  color: var(--accent-light);
}

.user-tag {
  color: var(--faint);
  font-size: 11px;
  max-width: 120px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.stat-row {
  display: flex;
  align-items: center;
  gap: 26px;
  flex: 1;
  min-width: 0;
}

.stat {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.stat-label {
  color: var(--faint);
  font-size: 11px;
}

.stat-value {
  font-family: Consolas, "SFMono-Regular", Menlo, monospace;
  font-size: 16px;
  color: var(--text);
}

.stat-value.ore {
  font-size: 21px;
  color: var(--accent-light);
}

.topbar-actions {
  display: flex;
  gap: 8px;
}

.btn-ghost {
  padding: 7px 15px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 13px;
}

.btn-ghost:hover {
  border-color: var(--accent-dark);
  color: var(--accent-light);
}

.game-main {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 380px;
  min-height: 0;
}

.mine-panel {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  min-height: 0;
  padding: 20px;
}

.rock {
  position: relative;
  width: min(46vh, 420px);
  max-width: 100%;
  aspect-ratio: 220 / 200;
  padding: 0;
  background: none;
  border: 0;
  filter: drop-shadow(0 18px 22px rgba(0, 0, 0, .55));
  transition: transform .08s ease;
}

.rock-art {
  display: block;
  width: 100%;
  height: 100%;
}

.rock:hover .rock-art {
  filter: brightness(1.07);
}

.rock:active {
  transform: scale(.96);
}

.rock.hit {
  animation: rock-shake .16s ease;
}

@keyframes rock-shake {
  0% { transform: translate(0, 0) rotate(0); }
  30% { transform: translate(-3px, 2px) rotate(-1deg); }
  60% { transform: translate(3px, -2px) rotate(1deg); }
  100% { transform: translate(0, 0) rotate(0); }
}

.rock:focus-visible {
  outline: 2px dashed var(--accent);
  outline-offset: 8px;
}

.rock-hint {
  position: absolute;
  left: 50%;
  bottom: 6%;
  transform: translateX(-50%);
  padding: 5px 16px;
  background: rgba(13, 11, 9, .82);
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--accent-light);
  font-size: 12px;
  letter-spacing: 3px;
  pointer-events: none;
}

.mine-tip {
  color: var(--muted);
  font-size: 13px;
}

.buildings-panel {
  display: flex;
  flex-direction: column;
  min-height: 0;
  background: rgba(29, 26, 22, .6);
  border-left: 1px solid var(--border);
}

.panel-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding: 16px 18px 12px;
  border-bottom: 1px solid var(--border);
}

.panel-head h2 {
  font-size: 15px;
  letter-spacing: 2px;
}

.panel-sub {
  color: var(--faint);
  font-size: 11px;
}

.building-list {
  flex: 1;
  overflow-y: auto;
  padding: 6px 10px 18px;
}

.building {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 8px;
  border-bottom: 1px solid rgba(58, 51, 42, .55);
}

.building:last-child {
  border-bottom: 0;
}

.building-info {
  min-width: 0;
}

.building-name {
  font-size: 14px;
  font-weight: 600;
}

.building-count {
  color: var(--accent);
  font-family: Consolas, monospace;
  font-size: 12px;
  font-weight: 400;
}

.building-desc {
  color: var(--faint);
  font-size: 11px;
  margin-top: 1px;
}

.building-rate {
  color: var(--muted);
  font-size: 11px;
  margin-top: 3px;
}

.buy-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  min-width: 88px;
  padding: 6px 10px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--faint);
}

.buy-btn .buy-label {
  font-size: 11px;
}

.buy-btn .buy-cost {
  font-family: Consolas, monospace;
  font-size: 12px;
  color: inherit;
}

.buy-btn.affordable {
  border-color: var(--accent-dark);
  color: var(--accent-light);
  background: #2c2416;
}

.buy-btn.affordable:hover {
  background: #3a2f1b;
}

.buy-btn:disabled {
  opacity: .55;
}

/* ---------- 点击飘字 ---------- */

.float-layer {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 60;
}

.float-text {
  position: absolute;
  transform: translate(-50%, -50%);
  color: var(--accent-light);
  font-family: Consolas, monospace;
  font-size: 16px;
  font-weight: 700;
  text-shadow: 0 2px 6px rgba(0, 0, 0, .9);
  animation: float-up .9s ease-out forwards;
}

.float-text.crit {
  color: #f07a4a;
  font-size: 20px;
}

@keyframes float-up {
  0% { opacity: 0; transform: translate(-50%, -50%) scale(.8); }
  18% { opacity: 1; transform: translate(-50%, -60%) scale(1.05); }
  100% { opacity: 0; transform: translate(-50%, -150%) scale(1); }
}

/* ---------- 浮层窗口 ---------- */

.modal-layer {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 18px;
  background: rgba(5, 4, 3, .68);
  backdrop-filter: blur(2px);
}

.modal-window {
  display: flex;
  flex-direction: column;
  width: min(560px, 100%);
  max-height: min(82dvh, 760px);
  background: var(--panel);
  border: 1px solid var(--border-light);
  border-radius: 8px;
  box-shadow: 0 24px 70px rgba(0, 0, 0, .65);
}

.modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
}

.modal-head h2 {
  font-size: 16px;
  letter-spacing: 2px;
}

.modal-close {
  width: 30px;
  height: 30px;
  padding: 0;
  background: none;
  border: 1px solid transparent;
  border-radius: var(--radius);
  color: var(--muted);
  font-size: 22px;
  line-height: 1;
}

.modal-close:hover {
  color: var(--text);
  border-color: var(--border);
}

.modal-body {
  padding: 16px 18px 20px;
  overflow-y: auto;
}

.modal-section + .modal-section {
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
}

.modal-section h3 {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
  font-size: 14px;
  color: var(--accent-light);
}

.currency-line {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 14px;
  padding: 9px 12px;
  background: var(--bg-deep);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--muted);
  font-size: 12px;
}

.currency-line strong {
  color: var(--accent-light);
  font-family: Consolas, monospace;
  font-size: 15px;
}

.skill-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: rgba(36, 32, 27, .55);
}

.skill-card + .skill-card {
  margin-top: 9px;
}

.skill-title {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
}

.skill-title .lv {
  color: var(--accent);
  font-family: Consolas, monospace;
  font-size: 11px;
  font-weight: 400;
}

.skill-desc {
  margin-top: 2px;
  color: var(--muted);
  font-size: 11px;
}

.skill-effect {
  margin-top: 4px;
  color: var(--faint);
  font-size: 11px;
}

.skill-card .buy-btn {
  min-width: 98px;
}

.locked-tag {
  padding: 2px 8px;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--faint);
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0;
}

.note {
  padding: 10px 12px;
  background: var(--bg-deep);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--muted);
  font-size: 12px;
}

.note + .skill-card {
  margin-top: 10px;
}

/* ---------- 设置 ---------- */

.setting-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 9px 2px;
  border-bottom: 1px solid rgba(58, 51, 42, .55);
  font-size: 13px;
}

.setting-row:last-child {
  border-bottom: 0;
}

.setting-row span:first-child {
  color: var(--muted);
}

.setting-row input[type="checkbox"] {
  width: 17px;
  height: 17px;
  accent-color: var(--accent);
}

.setting-hint {
  margin-top: 8px;
  color: var(--faint);
  font-size: 11px;
}

.setting-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.btn-secondary {
  padding: 8px 14px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 12px;
}

.btn-secondary:hover {
  border-color: var(--accent-dark);
}

.btn-secondary.danger {
  border-color: #5a2b26;
  color: #e08a80;
}

.btn-secondary.danger:hover {
  border-color: var(--danger);
}

/* ---------- 转生 ---------- */

.prestige-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin: 12px 0;
}

.prestige-stat {
  padding: 12px;
  background: var(--bg-deep);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.prestige-stat span {
  display: block;
  color: var(--faint);
  font-size: 11px;
}

.prestige-stat strong {
  display: block;
  margin-top: 3px;
  color: var(--accent-light);
  font-family: Consolas, monospace;
  font-size: 17px;
}

.btn-wide {
  width: 100%;
  height: 40px;
  margin-top: 12px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--faint);
  font-size: 13px;
}

/* ---------- 提示 ---------- */

.toast {
  position: fixed;
  left: 50%;
  bottom: 30px;
  z-index: 200;
  transform: translate(-50%, 12px);
  max-width: min(360px, calc(100vw - 32px));
  padding: 9px 18px;
  background: rgba(36, 32, 27, .96);
  border: 1px solid var(--border-light);
  border-radius: 999px;
  color: var(--text);
  font-size: 12px;
  opacity: 0;
  pointer-events: none;
  transition: opacity .18s ease, transform .18s ease;
}

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

/* ---------- 响应式 ---------- */

@media (max-width: 860px) {
  .topbar {
    flex-wrap: wrap;
    gap: 10px 16px;
    padding: 10px 14px;
  }

  .brand {
    min-width: 0;
    flex: 1;
  }

  .stat-row {
    order: 3;
    flex-basis: 100%;
    gap: 20px;
  }

  .stat-value {
    font-size: 14px;
  }

  .stat-value.ore {
    font-size: 18px;
  }

  .topbar-actions {
    gap: 6px;
  }

  .btn-ghost {
    padding: 6px 11px;
    font-size: 12px;
  }

  .game-main {
    grid-template-columns: 1fr;
    grid-template-rows: minmax(240px, 44dvh) minmax(0, 1fr);
  }

  .mine-panel {
    gap: 8px;
    padding: 12px;
  }

  .rock {
    width: min(54vw, 250px);
  }

  .mine-tip {
    font-size: 12px;
  }

  .buildings-panel {
    border-left: 0;
    border-top: 1px solid var(--border);
  }

  .panel-head {
    padding: 10px 14px 8px;
  }

  .building {
    padding: 10px 6px;
  }

  .modal-layer {
    padding: 12px;
  }

  .modal-window {
    max-height: 88dvh;
  }
}