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

:root {
  --bg: #0f1117;
  --surface: #1a1d27;
  --surface2: #232733;
  --border: #2e3347;
  --text: #e0e0e8;
  --text-dim: #8b8fa3;
  --accent: #6c8cff;
  --accent-hover: #8aa4ff;
  --green: #4caf50;
  --orange: #ff9800;
  --red: #f44336;
  --gold: #ffd700;
  --purple: #bb86fc;
  --blue: #5e9eff;
}

body {
  font-family: 'SF Mono', 'Cascadia Code', 'Fira Code', 'Consolas', monospace;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}

header h1 {
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.5px;
}

.header-title {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.author-link {
  font-size: 12px;
  color: var(--text-dim);
  text-decoration: none;
  transition: color 0.15s;
}
.author-link:hover { color: var(--accent); }

.global-config {
  display: flex;
  gap: 16px;
  align-items: center;
}

.global-config label {
  font-size: 12px;
  color: var(--text-dim);
  display: flex;
  align-items: center;
  gap: 6px;
}

.config-sep {
  color: var(--border);
  font-size: 14px;
  user-select: none;
}

.global-config input {
  width: 54px;
  padding: 3px 6px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text);
  font-family: inherit;
  font-size: 12px;
  text-align: center;
}

#add-window {
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 6px 16px;
  border-radius: 6px;
  cursor: pointer;
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
  transition: background 0.15s;
}
#add-window:hover { background: var(--accent-hover); }

main#windows-container {
  display: flex;
  flex-direction: row;
  overflow-x: auto;
  padding: 16px;
  gap: 16px;
  min-height: calc(100vh - 53px);
  align-items: flex-start;
}

.sim-window {
  min-width: 460px;
  max-width: 560px;
  flex: 1 0 460px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  max-height: calc(100vh - 85px);
}

.window-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 14px;
  background: var(--surface2);
  border-bottom: 1px solid var(--border);
}

.window-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-dim);
}

.window-close {
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 18px;
  cursor: pointer;
  padding: 0 4px;
  line-height: 1;
  transition: color 0.15s;
}
.window-close:hover { color: var(--red); }

.window-body {
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  overflow-y: auto;
  flex: 1;
  min-height: 0;
}

.config-panel {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.config-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.config-row > label:first-child {
  min-width: 90px;
  font-size: 12px;
  color: var(--text-dim);
  flex-shrink: 0;
}

.config-row label {
  font-size: 12px;
  color: var(--text-dim);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
}

select, input[type="number"] {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 5px 8px;
  border-radius: 5px;
  font-family: inherit;
  font-size: 12px;
  flex: 1;
}

select:focus, input:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
}

input[type="checkbox"] {
  accent-color: var(--accent);
}

.editor-container {
  margin-top: 4px;
}

.editor-toggle {
  background: none;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 0;
  font-family: inherit;
  width: 100%;
  text-align: left;
}
.editor-toggle:hover { color: var(--text); }

.editor-toggle-arrow {
  font-size: 10px;
  transition: transform 0.15s;
  display: inline-block;
}

.editor-container:not(.collapsed) .editor-toggle-arrow {
  transform: rotate(90deg);
}

.editor-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.editor-collapsible {
  display: grid;
  grid-template-rows: 1fr;
  transition: grid-template-rows 0.2s ease;
}

.editor-container.collapsed .editor-collapsible {
  grid-template-rows: 0fr;
}

.editor-collapsible-inner {
  overflow: hidden;
}

.editor-container:not(.collapsed) .strategy-editor {
  height: 220px;
}

.strategy-editor {
  width: 100%;
  height: 220px;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px;
  border-radius: 6px;
  font-family: 'SF Mono', 'Cascadia Code', 'Fira Code', 'Consolas', monospace;
  font-size: 12px;
  line-height: 1.5;
  resize: vertical;
  tab-size: 2;
}

.run-btn {
  background: var(--green);
  color: #fff;
  border: none;
  padding: 8px 20px;
  border-radius: 6px;
  cursor: pointer;
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
  margin-top: 4px;
  transition: opacity 0.15s;
}
.run-btn:hover { opacity: 0.9; }
.run-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.progress-bar-container {
  background: var(--bg);
  border-radius: 6px;
  height: 24px;
  position: relative;
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background: var(--accent);
  border-radius: 6px;
  width: 0%;
  transition: width 0.1s;
}

.progress-text {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 600;
  color: var(--text);
}

.results-panel {
  min-height: 80px;
}

.results-placeholder {
  color: var(--text-dim);
  font-size: 12px;
  text-align: center;
  padding: 30px 0;
}

.results-content {
  font-size: 12px;
  line-height: 1.7;
}

.hidden {
  display: none !important;
}

.results-content h3 {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--accent);
  margin-top: 12px;
  margin-bottom: 2px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 2px;
}

.results-content h3:first-child {
  margin-top: 0;
}

.stat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px 16px;
}

.stat-row {
  display: flex;
  justify-content: space-between;
}

.stat-label {
  color: var(--text-dim);
}

.stat-value {
  font-weight: 600;
  text-align: right;
}

.stat-value.gold { color: var(--gold); }
.stat-value.purple { color: var(--purple); }
.stat-value.blue { color: var(--blue); }
.stat-value.green { color: var(--green); }
.stat-value.orange { color: var(--orange); }
.stat-value.red { color: var(--red); }
.stat-row.span-2 { grid-column: 1 / -1; }

.stat-secondary { font-weight: 400; opacity: 0.7; font-size: 0.9em; }
.green { color: var(--green); }

.histogram-container {
  margin-top: 4px;
}

.histogram-bar-row {
  display: flex;
  align-items: center;
  gap: 6px;
  height: 16px;
}

.histogram-label {
  min-width: 70px;
  text-align: right;
  font-size: 10px;
  color: var(--text-dim);
  flex-shrink: 0;
}

.histogram-bar {
  height: 12px;
  background: var(--accent);
  border-radius: 2px;
  min-width: 1px;
  transition: width 0.3s;
}

.histogram-count {
  font-size: 10px;
  color: var(--text-dim);
  flex-shrink: 0;
}

/* Paid pulls hero */
.paid-pulls-hero {
  text-align: center;
  padding: 10px 0 4px;
}

.hero-mean {
  font-size: 40px;
  font-weight: 700;
  color: #fff;
  line-height: 1;
  letter-spacing: -1.5px;
}

.hero-mean-label {
  font-size: 10px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-top: 4px;
}

.hero-sub {
  font-size: 12px;
  color: var(--text-dim);
  margin-top: 4px;
}

.dist-chart {
  margin: 6px 0 4px;
}

.dist-svg {
  width: 100%;
  height: auto;
  display: block;
}

.dist-single {
  text-align: center;
  color: var(--text-dim);
  font-size: 12px;
  padding: 10px 0;
}

.error-msg {
  color: var(--red);
  font-size: 12px;
  padding: 8px;
  background: rgba(244,67,54,0.1);
  border-radius: 6px;
  border: 1px solid rgba(244,67,54,0.3);
}

/* Pull distribution charts */
.term-chart {
  margin: 6px 0 4px;
}

.term-chart-empty {
  text-align: center;
  color: var(--text-dim);
  font-size: 12px;
  padding: 20px 0;
}

.term-svg {
  width: 100%;
  height: auto;
  display: block;
}

.pull-dist-tabs {
  display: flex;
  gap: 2px;
  margin-top: 4px;
}

.pull-dist-tab {
  background: var(--bg);
  border: 1px solid var(--border);
  border-bottom: none;
  color: var(--text-dim);
  padding: 4px 12px;
  border-radius: 6px 6px 0 0;
  cursor: pointer;
  font-family: inherit;
  font-size: 11px;
  font-weight: 600;
  transition: background 0.15s, color 0.15s;
}

.pull-dist-tab:hover {
  background: var(--surface2);
  color: var(--text);
}

.pull-dist-tab.active {
  background: var(--surface2);
  color: var(--text);
  border-color: var(--accent);
}

.pull-dist-panel {
  border: 1px solid var(--border);
  border-radius: 0 6px 6px 6px;
  background: var(--bg);
  padding: 4px;
}

/* Banner Inspector */
.banner-inspector-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 12px;
}

.banner-inspector-header h3 {
  margin-top: 0 !important;
  margin-bottom: 0 !important;
  border-bottom: none !important;
  padding-bottom: 0 !important;
}

.advanced-toggle {
  font-size: 11px;
  color: var(--text-dim);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 5px;
  user-select: none;
}

.advanced-toggle input {
  accent-color: var(--accent);
  cursor: pointer;
}

.banner-inspector {
  margin-top: 4px;
}

.banner-tabs {
  display: flex;
  gap: 2px;
  flex-wrap: wrap;
  margin-bottom: 6px;
}

.banner-tab {
  background: var(--bg);
  border: 1px solid var(--border);
  border-bottom: none;
  color: var(--text-dim);
  padding: 5px 10px;
  border-radius: 6px 6px 0 0;
  cursor: pointer;
  font-family: inherit;
  font-size: 11px;
  font-weight: 600;
  transition: background 0.15s, color 0.15s;
}

.banner-tab:hover {
  background: var(--surface2);
  color: var(--text);
}

.banner-tab.active {
  background: var(--surface2);
  color: var(--text);
  border-color: var(--accent);
  border-bottom: 1px solid var(--surface2);
}

.banner-tab.has-rateup {
  color: var(--gold);
}

.banner-tab.has-rateup.active {
  color: var(--gold);
  border-color: var(--gold);
}

.banner-tab.has-six:not(.has-rateup) {
  color: var(--orange);
}

.banner-tab-panel {
  border: 1px solid var(--border);
  border-radius: 0 6px 6px 6px;
  background: var(--bg);
  padding: 8px;
}

.banner-summary {
  font-size: 11px;
  color: var(--text-dim);
  padding: 4px 6px 8px;
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  align-items: center;
}

.banner-summary .sep {
  opacity: 0.4;
}

.pull-log {
  max-height: 360px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.pull-entry {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 3px 6px;
  border-radius: 3px;
  font-size: 11px;
  background: transparent;
}

.pull-entry.notable {
  background: rgba(255, 255, 255, 0.03);
}

.pull-entry.six-star-rateup.notable {
  background: rgba(255, 215, 0, 0.08);
}

.pull-entry.six-star-limited.notable {
  background: rgba(255, 152, 0, 0.08);
}

.pull-entry.six-star-standard.notable {
  background: rgba(200, 182, 255, 0.1);
}

.pull-entry.five-star.notable {
  background: rgba(187, 134, 252, 0.04);
}

.pull-num {
  min-width: 28px;
  color: var(--text-dim);
  font-size: 10px;
  text-align: right;
  flex-shrink: 0;
}

.pull-outcome {
  min-width: 90px;
  font-weight: 600;
  flex-shrink: 0;
}

.pull-outcome.four-star { color: var(--text-dim); }
.pull-outcome.five-star { color: var(--blue); }
.pull-outcome.six-star-rateup { color: var(--gold); }
.pull-outcome.six-star-limited { color: var(--orange); }
.pull-outcome.six-star-standard { color: var(--purple); }

.pull-type {
  font-size: 10px;
  min-width: 52px;
  flex-shrink: 0;
}

.pull-type.normal { color: var(--text-dim); }
.pull-type.bonus30 { color: var(--green); }
.pull-type.bonus60 { color: var(--accent); }
.pull-type.signin { color: var(--orange); }
.pull-type.aicquota { color: #e0e0e8; }

.pull-pity {
  font-size: 10px;
  color: var(--text-dim);
  min-width: 40px;
  flex-shrink: 0;
}

.pull-rate {
  font-size: 10px;
  min-width: 42px;
  flex-shrink: 0;
  color: var(--text-dim);
  text-align: right;
}

.pull-rate.rate-soft { color: var(--orange); }
.pull-rate.rate-high { color: #ff6b6b; font-weight: 600; }
.pull-rate.rate-guaranteed { color: var(--gold); font-weight: 600; }

/* Advanced stats: hidden by default */
.adv-stat {
  display: none;
}

.banner-inspector.show-advanced .adv-stat {
  display: inline;
}

.pull-roll {
  font-size: 10px;
  min-width: 36px;
  flex-shrink: 0;
  color: var(--text-dim);
  font-variant-numeric: tabular-nums;
}

.pull-subroll {
  font-size: 10px;
  min-width: 36px;
  flex-shrink: 0;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}

.pull-pity-forced {
  font-size: 9px;
  color: var(--gold);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.pull-token {
  font-size: 10px;
  color: var(--gold);
  font-weight: 600;
}

.dim { opacity: 0.4; }

/* Scrollbar */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-dim); }

/* Tablet responsive */
@media (max-width: 900px) {
  header {
    flex-wrap: wrap;
    gap: 8px;
  }

  .header-title {
    flex-basis: 100%;
  }

  .global-config {
    flex: 1;
  }

  #add-window {
    flex-shrink: 0;
  }
}

/* Mobile responsive */
@media (max-width: 600px) {
  header {
    padding: 10px 12px;
  }

  header h1 {
    font-size: 14px;
  }

  .global-config {
    gap: 10px;
  }

  #add-window {
    padding: 6px 12px;
  }

  main#windows-container {
    flex-direction: column;
    padding: 10px;
    gap: 12px;
    overflow-x: hidden;
  }

  .sim-window {
    min-width: 0;
    max-width: none;
    flex: none;
    width: 100%;
    max-height: none;
  }

  .window-body {
    padding: 10px;
  }

  .config-row {
    flex-wrap: wrap;
  }

  .config-row > label:first-child {
    min-width: 70px;
  }

  .stat-grid {
    grid-template-columns: 1fr;
  }

  .pull-entry {
    flex-wrap: wrap;
    gap: 4px 8px;
  }
}