:root {
  /* base */
  --bg: #0b1220;
  --bg-gradient-top: #09101c;

  /* panels */
  --panel: #121a2b;
  --panel-2: #172235;
  --panel-3: #1d2a40;

  /* surfaces */
  --surface-1: #0c1422;
  --surface-2: #0d1524;
  --surface-3: #101b2d;
  --surface-hover: #1a2840;

  /* borders */
  --border: #2a3953;
  --border-hover: #3a536f;

  /* text */
  --text: #e8eefc;
  --muted: #9fb0cf;
  --text-inverse: #06231f;

  /* accents */
  --accent: #4fd1c5;
  --accent-2: #2dd4bf;
  --accent-soft: rgba(79, 209, 197, 0.12);

  /* status */
  --danger: #f87171;
  --danger2: #cc5050;
  --success: #86efac;

  /* badges */
  --badge-win-bg: rgba(34, 197, 94, 0.16);
  --badge-loss-bg: rgba(248, 113, 113, 0.16);

  /* misc */
  --shadow: 0 18px 40px rgba(0, 0, 0, 0.28);
  --radius: 18px;
  --radius-sm: 12px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background:
    radial-gradient(circle at top right, rgba(79, 209, 197, 0.08), transparent 30%),
    linear-gradient(180deg, var(--bg-gradient-top) 0%, var(--bg) 100%);
  color: var(--text);
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

body {
  min-height: 100vh;
}

.app-shell {
  width: min(1450px, calc(100% - 32px));
  margin: 24px auto 40px;
}

.page-header {
  margin-bottom: 20px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: clamp(2rem, 3vw, 3rem);
  line-height: 1.1;
}

.subtitle {
  margin: 10px 0 0;
  color: var(--muted);
  max-width: 850px;
}

.layout {
  display: grid;
  grid-template-columns: 480px minmax(0, 1fr);
  gap: 20px;
  align-items: start;
  transition: grid-template-columns 0.25s ease;
}

.controls-panel {
  overflow: hidden;
  transition: padding 0.2s ease;
}

.layout.settings-collapsed .settings-content {
  display: none;
}

.layout.settings-collapsed .panel-collapse-btn {
  justify-content: center;
  padding: 12px;
  margin-bottom: 0;
}

.layout.settings-collapsed .panel-collapse-btn span:first-child {
  display: none;
}

.panel-collapse-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  font-size: 1.3rem;
  line-height: 1;
  color: var(--accent);
}

/* desktop-only horizontal shrinking */
@media (min-width: 1101px) {
  .layout.settings-collapsed {
    grid-template-columns: 72px minmax(0, 1fr);
  }
}

/* mobile/tablet keeps full-width stacked layout */
@media (max-width: 1100px) {
  .layout {
    grid-template-columns: 1fr;
  }
}

.panel {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.02), transparent), var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.controls-panel,
.table-panel {
  padding: 20px;
}

.panel-header h2,
.panel-header h3 {
  margin: 0;
}

.panel-header p,
.section-header p,
.help-text {
  margin: 6px 0 0;
  color: var(--muted);
}

.panel-collapse-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  background: var(--surface-2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 16px 18px;
  font: inherit;
  font-size: 1rem;
  font-weight: 800;
  cursor: pointer;
  margin-bottom: 16px;
  transition: transform 0.14s ease, border-color 0.14s ease, background 0.14s ease;
}

.panel-collapse-btn:hover {
  border-color: var(--border-hover);
  background: var(--surface-3);
}

.settings-content {
  display: block;
}

.controls-panel.collapsed .settings-content {
  display: none;
}

.settings-grid {
  display: grid;
  gap: 16px;
}

.setting-card {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 16px;
}

.label {
  display: block;
  margin-bottom: 10px;
  font-weight: 700;
  font-size: 0.95rem;
}

.filter-input,
.filter-select {
  width: 100%;
  background: var(--surface-2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px;
  font: inherit;
}

.filter-input:focus,
.filter-select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(79, 209, 197, 0.12);
}

.column-filter-mode {
  display: none;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 12px;
}

.column-filter-mode.visible {
  display: grid;
}

.small-segment span {
  padding: 10px 12px;
}

.segmented {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.segment {
  position: relative;
}

.segment input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.segment span {
  display: block;
  text-align: center;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--muted);
  font-weight: 700;
  cursor: pointer;
  transition: 0.18s ease;
}

.segment input:checked + span {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--text);
}

.actions {
  display: grid;
  grid-template-columns: 1fr 120px;
  gap: 12px;
}

.primary-btn,
.secondary-btn {
  appearance: none;
  border: none;
  border-radius: 14px;
  padding: 14px 18px;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
  transition: transform 0.14s ease, opacity 0.14s ease, background 0.14s ease, border-color 0.14s ease;
}

.primary-btn {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: var(--text-inverse);
}

.secondary-btn {
  background: var(--surface-2);
  color: var(--text);
  border: 1px solid var(--border);
}

.section-header {
  margin-bottom: 14px;
}

.logic-card {
  margin-bottom: 12px;
}

.columns-grid {
  display: grid;
  gap: 12px;
}

.column-card {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 14px;
  cursor: pointer;
  transition: 0.16s ease;
}

.column-card:hover {
  border-color: var(--border-hover);
  background: var(--surface-hover);
}

.column-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.toggle {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  font-weight: 700;
}

.toggle input {
  width: 18px;
  height: 18px;
  accent-color: var(--accent);
}

.column-type {
  font-size: 0.75rem;
  color: var(--muted);
  padding: 4px 8px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface-2);
}

.filters-wrap {
  display: grid;
  gap: 10px;
  margin-top: 12px;
}

.filter-row {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr) auto;
  gap: 10px;
}

.add-filter-btn,
.remove-filter-btn {
  appearance: none;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
  border-radius: 12px;
  padding: 12px 14px;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  transition: 0.16s ease;
}

.remove-filter-btn {
  border: 1px solid var(--danger2);
  color: var(--danger2);
}

.add-filter-btn {
  margin-top: 12px;
  width: 100%;
}

.add-filter-btn:hover {
  border-color: var(--border-hover);
  background: var(--surface-3);
}

.remove-filter-btn:hover {
  cursor: pointer;
  background: var(--surface-3);
}

.remove-filter-btn {
  white-space: nowrap;
}

.column-card:not(.enabled) .filters-wrap,
.column-card:not(.enabled) .add-filter-btn {
  display: none;
}

.filter-row,
.filter-row * {
  cursor: auto;
}

.player-options {
  display: grid;
  gap: 8px;
}

.player-option {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  width: 100%;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 12px 14px;
  cursor: pointer;
  transition: 0.16s ease;
}

.player-option:hover {
  border-color: var(--border-hover);
  background: var(--surface-3);
}

.filter-row,
.filter-row * {
  cursor: auto;
}

.player-option.selected {
  background: var(--accent-soft);
  border-color: var(--accent);
}

.player-option-name {
  font-weight: 700;
  color: var(--muted);
}

.player-option.selected .player-option-name {
  color: var(--text);
}

.player-option-check {
  width: 22px;
  height: 22px;
  display: grid;
  place-items: center;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: transparent;
  font-size: 0.85rem;
  font-weight: 900;
}

.player-option.selected .player-option-check {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(79, 209, 197, 0.08);
}

.table-wrap {
  margin-top: 16px;
  overflow: auto;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--surface-1);
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 900px;
}

thead {
  background: var(--surface-3);
  position: sticky;
  top: 0;
  z-index: 1;
}

th,
td {
  padding: 12px 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  text-align: left;
  white-space: nowrap;
}

th {
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: #bfd0ef;
}

tbody tr:hover {
  background: rgba(255, 255, 255, 0.03);
}

.empty-state {
  padding: 30px 18px;
  color: var(--muted);
  text-align: center;
}

.badge-win,
.badge-loss {
  display: inline-block;
  min-width: 52px;
  text-align: center;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 800;
}

.badge-win {
  background: var(--badge-win-bg);
  color: var(--success);
}

.badge-loss {
  background: var(--badge-loss-bg);
  color: var(--danger);
}

@media (max-width: 1100px) {
  .layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .app-shell {
    width: min(100% - 20px, 1450px);
    margin: 14px auto 24px;
  }

  .controls-panel,
  .table-panel {
    padding: 16px;
  }

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

  .column-card.enabled .filter-row,
  .filter-row {
    grid-template-columns: 1fr;
  }
}