:root {
  /* Material Design 调色板（亮） */
  --md-bg: #fafafa;
  --md-surface: #ffffff;
  --md-surface-variant: #f3f4f6;
  --md-primary: #1976d2;
  --md-primary-light: #63a4ff;
  --md-primary-dark: #004ba0;
  --md-on-primary: #ffffff;
  --md-secondary: #00897b;
  --md-secondary-light: #4ebaaa;
  --md-error: #d32f2f;
  --md-error-light: #ff6659;
  --md-warn: #f57c00;
  --md-warn-light: #ffad42;
  --md-on-surface: #1f1f1f;
  --md-on-surface-variant: #5f6368;
  --md-outline: #dadce0;
  --md-outline-strong: #80868b;

  /* 阶段状态色 */
  --stage-idle: #9aa0a6;
  --stage-run: #f57c00;
  --stage-done: #1e8e3e;
  --stage-fail: #d32f2f;

  /* 阴影 */
  --elev-1: 0 1px 2px 0 rgba(60,64,67,.30), 0 1px 3px 1px rgba(60,64,67,.15);
  --elev-2: 0 1px 2px 0 rgba(60,64,67,.30), 0 2px 6px 2px rgba(60,64,67,.15);
  --elev-3: 0 4px 8px 3px rgba(60,64,67,.15), 0 1px 3px 0 rgba(60,64,67,.30);
  --elev-4: 0 6px 10px 4px rgba(60,64,67,.15), 0 2px 3px 0 rgba(60,64,67,.30);

  --radius: 12px;
  --radius-sm: 8px;
  --radius-pill: 999px;

  --font: "Roboto", "Microsoft YaHei UI", "Segoe UI", system-ui, sans-serif;
  --mono: "Roboto Mono", "Consolas", "Cascadia Mono", monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }
body {
  background: var(--md-bg);
  color: var(--md-on-surface);
  font-family: var(--font);
  font-size: 14px;
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ==================== 布局 ==================== */
.app {
  display: flex;
  flex-direction: column;
  height: 100vh;
}

/* Material App Bar */
.header {
  flex: 0 0 auto;
  background: var(--md-primary);
  color: var(--md-on-primary);
  padding: 16px 24px;
  box-shadow: var(--elev-2);
  display: flex;
  align-items: baseline;
  gap: 12px;
  z-index: 4;
}
.header .title {
  font-size: 20px;
  font-weight: 500;
  letter-spacing: .3px;
}
.header .version {
  font-size: 13px;
  opacity: .85;
  font-weight: 400;
}
.header .subtitle {
  font-size: 12px;
  opacity: .8;
  margin-left: auto;
  font-weight: 400;
}

.body {
  flex: 1 1 auto;
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 16px;
  padding: 16px 24px;
  min-height: 0;
}

/* Material Card */
.card {
  background: var(--md-surface);
  border-radius: var(--radius);
  box-shadow: var(--elev-1);
  padding: 20px;
  overflow: auto;
  display: flex;
  flex-direction: column;
}
.card:hover { box-shadow: var(--elev-2); }

.section-title {
  font-size: 14px;
  font-weight: 500;
  color: var(--md-primary);
  letter-spacing: .4px;
  text-transform: uppercase;
  margin-bottom: 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--md-outline);
}

/* ==================== 表单 ==================== */
.row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}
.lbl {
  width: 80px;
  flex: 0 0 80px;
  color: var(--md-on-surface-variant);
  font-size: 13px;
  font-weight: 500;
}
.row input[type=text], .row input:not([type]) {
  flex: 1 1 auto;
  background: var(--md-surface-variant);
  border: 1px solid var(--md-outline);
  color: var(--md-on-surface);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-family: var(--font);
  outline: none;
  transition: border-color .15s, background .15s;
}
.row input:focus { border-color: var(--md-primary); background: var(--md-surface); }
.row input[readonly] { color: var(--md-on-surface-variant); cursor: default; }

.checkrow { margin-top: 4px; margin-bottom: 12px; }
.checkrow label {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: 13px;
  color: var(--md-on-surface);
}
.checkrow input[type=checkbox] {
  width: 18px;
  height: 18px;
  accent-color: var(--md-primary);
  cursor: pointer;
}

/* ==================== Material Buttons ==================== */
.actions {
  display: flex;
  gap: 10px;
  margin: 16px 0 8px;
}
.actions .btn { flex: 1 1 auto; }

.btn {
  background: var(--md-surface-variant);
  color: var(--md-primary);
  border: none;
  border-radius: var(--radius-pill);
  padding: 8px 18px;
  font-size: 13px;
  font-weight: 500;
  font-family: var(--font);
  letter-spacing: .3px;
  cursor: pointer;
  transition: background .15s, box-shadow .15s, transform .1s;
  text-transform: uppercase;
  box-shadow: var(--elev-1);
}
.btn:hover:not(:disabled) {
  background: #e8eaed;
  box-shadow: var(--elev-2);
}
.btn:active:not(:disabled) { transform: scale(.97); box-shadow: var(--elev-1); }
.btn:disabled { opacity: .38; cursor: not-allowed; box-shadow: none; }

.btn.accent {
  background: var(--md-primary);
  color: var(--md-on-primary);
}
.btn.accent:hover:not(:disabled) { background: var(--md-primary-dark); }

.btn.warn {
  background: var(--md-warn);
  color: #fff;
}
.btn.warn:hover:not(:disabled) { background: #ef6c00; }

.btn.danger {
  background: var(--md-error);
  color: #fff;
}
.btn.danger:hover:not(:disabled) { background: #b71c1c; }

.btn.secondary {
  background: var(--md-secondary);
  color: #fff;
}
.btn.secondary:hover:not(:disabled) { background: #00695c; }

.btn.small {
  padding: 5px 12px;
  font-size: 12px;
  box-shadow: none;
}
.btn.small:hover:not(:disabled) { box-shadow: var(--elev-1); }

/* ==================== 阶段进度（亮色 Material List） ==================== */
.stage-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin-top: 4px;
}
.stage-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  transition: background .2s;
}
.stage-item:hover { background: var(--md-surface-variant); }
.stage-item.run { background: #fff8e1; }
.stage-item.done { background: #e8f5e9; }
.stage-item.fail { background: #ffebee; }

.stage-icon {
  flex: 0 0 28px;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--md-surface-variant);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  color: var(--stage-idle);
  transition: all .2s;
}
.stage-item.run .stage-icon {
  background: var(--stage-run);
  color: #fff;
  animation: spin 1.1s linear infinite, pulse 1.4s ease-in-out infinite;
}
@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(245,124,0,.5); }
  50% { box-shadow: 0 0 0 8px rgba(245,124,0,0); }
}
.stage-item.done .stage-icon {
  background: var(--stage-done);
  color: #fff;
}
.stage-item.fail .stage-icon {
  background: var(--stage-fail);
  color: #fff;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(245,124,0,.5); }
  50% { box-shadow: 0 0 0 8px rgba(245,124,0,0); }
}

.stage-info { flex: 1 1 auto; min-width: 0; }
.stage-name {
  font-size: 13px;
  font-weight: 500;
  color: var(--md-on-surface);
}
.stage-item.run .stage-name { color: var(--stage-run); }
.stage-item.done .stage-name { color: var(--stage-done); }
.stage-item.fail .stage-name { color: var(--stage-fail); }
.stage-desc {
  font-size: 12px;
  color: var(--md-on-surface-variant);
  margin-top: 2px;
}

/* ==================== 日志 ==================== */
.right { padding: 0; overflow: hidden; }
.log-head {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px 12px;
  border-bottom: 1px solid var(--md-outline);
}
.log-head .section-title { margin: 0; padding: 0; border: 0; }
.log-head .dim {
  flex: 1 1 auto;
  font-size: 12px;
  color: var(--md-on-surface-variant);
  text-transform: none;
  letter-spacing: 0;
  font-weight: 400;
}
.log-text {
  flex: 1 1 auto;
  background: #263238;
  color: #eceff1;
  padding: 14px 18px;
  overflow: auto;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-all;
}
.log-text::-webkit-scrollbar { width: 8px; height: 8px; }
.log-text::-webkit-scrollbar-track { background: transparent; }
.log-text::-webkit-scrollbar-thumb { background: #455a64; border-radius: 4px; }
.log-text::-webkit-scrollbar-thumb:hover { background: #607d8b; }

.log-line { padding: 1px 0; }
.log-line.dim { color: #90a4ae; }
.log-line.ok { color: #4caf50; }
.log-line.err { color: #ef5350; }
.log-line.warn { color: #ffca28; }
.log-line.cmd { color: #4fc3f7; }

/* ==================== 确认条 ==================== */
.confirm-frame {
  flex: 0 0 auto;
  margin: 14px 20px 20px;
  padding: 18px 20px;
  background: #fff3e0;
  border: 1px solid var(--md-warn-light);
  border-radius: var(--radius);
  box-shadow: var(--elev-1);
  text-align: center;
}
.confirm-frame.hidden { display: none; }
.confirm-label {
  font-size: 15px;
  font-weight: 500;
  color: var(--md-on-surface);
  margin-bottom: 14px;
}
.confirm-btns { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }

/* ==================== Footer ==================== */
.footer {
  flex: 0 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 24px;
  background: var(--md-surface);
  border-top: 1px solid var(--md-outline);
  font-size: 12px;
  color: var(--md-on-surface-variant);
}
.dim { color: var(--md-on-surface-variant); }

/* 状态栏文字 */
#statusBar { font-weight: 500; }

/* Material ripple-ish 反馈（简化） */
.btn::after {
  content: "";
  position: relative;
  display: block;
}