:root {
  --bg: #131722;
  --panel: #1a1e29;
  --panel-2: #1e222d;
  --border: #2a2e39;
  --text: #d1d4dc;
  --muted: #787b86;
  --accent: #2962ff;
  --up: #089981;
  --down: #f23645;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  height: 100%;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 13px;
  overflow: hidden;
}

/* ----- App shell grid ----- */

.app {
  display: grid;
  grid-template-columns: 48px 1fr 240px;
  grid-template-rows: 44px 1fr;
  grid-template-areas:
    "toolbar toolbar toolbar"
    "tools workspace watchlist";
  height: 100vh;
}

/* ----- Toolbar ----- */

.toolbar {
  grid-area: toolbar;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 12px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
}

.brand {
  font-weight: 700;
  letter-spacing: 0.5px;
  color: var(--accent);
  font-size: 13px;
  padding-right: 6px;
  border-right: 1px solid var(--border);
}

.tb-group {
  display: flex;
  align-items: center;
  gap: 4px;
  position: relative;
}

.tb-spacer {
  flex: 1;
}

.symbol-input {
  width: 110px;
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 6px 9px;
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.symbol-input:focus {
  outline: none;
  border-color: var(--accent);
}

.tf-buttons {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 2px;
}

.tf-buttons button {
  background: transparent;
  color: var(--muted);
  border: none;
  padding: 4px 9px;
  font-size: 12px;
  font-weight: 600;
  border-radius: 3px;
  cursor: pointer;
}

.tf-buttons button:hover {
  color: var(--text);
}

.tf-buttons button.active {
  background: var(--accent);
  color: #fff;
}

.tb-btn {
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 6px 10px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
}

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

.layout-buttons {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 2px;
}

.layout-buttons button {
  background: transparent;
  color: var(--muted);
  border: none;
  padding: 4px 10px;
  font-size: 12px;
  border-radius: 3px;
  cursor: pointer;
  letter-spacing: -2px;
}

.layout-buttons button:hover {
  color: var(--text);
}

.layout-buttons button.active {
  background: var(--accent);
  color: #fff;
}

/* ----- Indicator dropdown ----- */

.indicator-menu {
  display: none;
  position: absolute;
  top: 36px;
  left: 0;
  z-index: 50;
  min-width: 180px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
}

.indicator-menu.open {
  display: block;
  max-height: 70vh;
  overflow-y: auto;
}

.ind-group + .ind-group {
  margin-top: 4px;
  border-top: 1px solid var(--border);
  padding-top: 4px;
}

.ind-cat {
  padding: 4px 8px 2px;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--muted);
}

.pattern-sens {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 4px 8px 6px;
  font-size: 11px;
  color: var(--muted);
}

.pattern-sens select {
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 3px 6px;
  font-size: 11px;
  cursor: pointer;
}

.ind-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 8px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 12px;
}

.ind-item:hover {
  background: var(--panel-2);
}

.ind-item.soon {
  color: var(--muted);
  cursor: default;
}

.ind-soon {
  margin-left: auto;
  font-size: 10px;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 1px 5px;
}

/* ----- Left tools rail ----- */

.tools {
  grid-area: tools;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 8px 0;
  background: var(--panel);
  border-right: 1px solid var(--border);
}

.tool-btn {
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  color: var(--muted);
  border: none;
  border-radius: 5px;
  font-size: 15px;
  cursor: pointer;
}

.tool-btn:hover {
  background: var(--panel-2);
  color: var(--text);
}

.tool-btn.active {
  background: var(--panel-2);
  color: var(--accent);
}

.tools-spacer {
  flex: 1;
}

/* ----- Workspace + grid ----- */

.workspace {
  grid-area: workspace;
  padding: 8px;
  min-width: 0;
  min-height: 0;
}

.grid {
  display: grid;
  gap: 8px;
  height: 100%;
}

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

.grid-2 {
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr;
}

.grid-4 {
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
}

/* ----- Chart pane ----- */

.pane {
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
}

.pane.active {
  border-color: var(--accent);
}

.pane-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  flex: 0 0 auto;
}

.pane-symbol {
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.5px;
}

.pane-interval {
  font-size: 11px;
  color: var(--muted);
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 1px 6px;
}

.pane-status {
  margin-left: auto;
  font-size: 11px;
  color: var(--muted);
}

.pane-status.error {
  color: var(--down);
}

.pane-body {
  display: flex;
  flex-direction: column;
  flex: 1 1 auto;
  min-height: 0;
}

.pane-chart {
  flex: 1 1 auto;
  min-height: 0;
}

.osc-pane {
  position: relative;
  flex: 0 0 120px;
  min-height: 0;
  border-top: 1px solid var(--border);
}

.osc-label {
  position: absolute;
  top: 4px;
  left: 8px;
  z-index: 4;
  font-size: 11px;
  font-weight: 600;
  color: var(--muted);
  pointer-events: none;
}

/* ----- Watchlist ----- */

.watchlist-panel {
  grid-area: watchlist;
  display: flex;
  flex-direction: column;
  background: var(--panel);
  border-left: 1px solid var(--border);
  min-height: 0;
}

.wl-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  font-weight: 700;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.wl-add-btn {
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text);
  font-size: 16px;
  line-height: 1;
  cursor: pointer;
}

.wl-add-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.wl-add-row {
  display: flex;
  gap: 6px;
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
}

.wl-add-row[hidden] {
  display: none;
}

.wl-add-input {
  flex: 1;
  min-width: 0;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 5px 8px;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.wl-add-input:focus {
  outline: none;
  border-color: var(--accent);
}

.wl-add-input.error {
  border-color: var(--down);
}

.wl-add-confirm {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 4px;
  padding: 5px 10px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
}

.wl-add-confirm:hover {
  filter: brightness(1.1);
}

.wl-body {
  overflow-y: auto;
  flex: 1;
}

.wl-row {
  position: relative;
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 8px;
  padding: 9px 12px;
  cursor: pointer;
  border-bottom: 1px solid rgba(42, 46, 57, 0.5);
}

.wl-row:hover {
  background: var(--panel-2);
}

.wl-row.active {
  background: rgba(41, 98, 255, 0.12);
  box-shadow: inset 2px 0 0 var(--accent);
}

.wl-symbol {
  font-weight: 700;
  font-size: 13px;
}

.wl-price {
  font-variant-numeric: tabular-nums;
  color: var(--text);
  font-size: 12px;
}

.wl-change {
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  min-width: 56px;
  text-align: right;
}

.wl-change.up {
  color: var(--up);
}

.wl-change.down {
  color: var(--down);
}

.wl-remove {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  display: none;
  width: 18px;
  height: 18px;
  align-items: center;
  justify-content: center;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1;
  cursor: pointer;
}

.wl-row:hover .wl-remove {
  display: flex;
}

.wl-remove:hover {
  color: var(--down);
  border-color: var(--down);
}

/* ----- Toolbar dropdowns (alerts / layouts) ----- */

.tb-btn {
  position: relative;
}

.tb-btn.has-triggered {
  border-color: var(--down);
  color: var(--down);
}

.tb-btn .badge {
  position: absolute;
  top: -6px;
  right: -6px;
  min-width: 16px;
  height: 16px;
  padding: 0 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--down);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  border-radius: 8px;
}

.dropdown-menu {
  display: none;
  position: absolute;
  top: 36px;
  right: 0;
  z-index: 50;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
}

.dropdown-menu.open {
  display: block;
}

.alerts-menu {
  width: 280px;
}

.layouts-menu {
  width: 240px;
}

.menu-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 2px 4px 8px;
  font-size: 12px;
  font-weight: 700;
}

.menu-clear {
  background: transparent;
  border: none;
  color: var(--muted);
  font-size: 11px;
  cursor: pointer;
}

.menu-clear:hover {
  color: var(--text);
}

/* Section divider inside the alerts dropdown */
.alert-sec {
  margin-top: 4px;
  padding: 4px 4px 6px;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--muted);
  border-top: 1px solid var(--border);
}
.alert-sec:first-of-type {
  border-top: none;
  margin-top: 0;
}

/* Forms shared by alerts + layouts */

.alert-form,
.layout-form {
  display: flex;
  gap: 6px;
  margin-bottom: 8px;
}

/* Pattern alert form: two rows (symbol+interval, pattern+add) */
.palert-form {
  margin-bottom: 8px;
}
.palert-row {
  display: flex;
  gap: 6px;
}
.palert-row + .palert-row {
  margin-top: 6px;
}
.palert-row #palert-interval {
  width: 64px;
  flex: 0 0 auto;
}
.palert-pattern {
  flex: 1;
  min-width: 0;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 6px 8px;
  font-size: 12px;
  cursor: pointer;
}
.palert-pattern:focus {
  outline: none;
  border-color: var(--accent);
}

.alert-symbol,
.alert-price,
.alert-cond,
.layout-name {
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 6px 8px;
  font-size: 12px;
  min-width: 0;
}

.alert-symbol {
  width: 70px;
  font-weight: 600;
  text-transform: uppercase;
}

.alert-cond {
  cursor: pointer;
}

.alert-price {
  flex: 1;
}

.layout-name {
  flex: 1;
}

.alert-symbol:focus,
.alert-price:focus,
.layout-name:focus {
  outline: none;
  border-color: var(--accent);
}

.alert-symbol.error,
.alert-price.error,
.layout-name.error {
  border-color: var(--down);
}

.alert-add,
.layout-save {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 4px;
  padding: 6px 12px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
}

.alert-add:hover,
.layout-save:hover {
  filter: brightness(1.1);
}

/* Alert list */

.alert-list,
.layout-list {
  max-height: 240px;
  overflow-y: auto;
}

.empty {
  padding: 10px 4px;
  color: var(--muted);
  font-size: 12px;
  text-align: center;
}

.alert-row {
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  align-items: center;
  gap: 8px;
  padding: 7px 8px;
  border-radius: 4px;
  font-size: 12px;
}

.alert-row + .alert-row {
  border-top: 1px solid rgba(42, 46, 57, 0.5);
}

/* Pattern alert rows carry an extra timeframe column. */
.alert-row.palert {
  grid-template-columns: auto auto 1fr auto auto;
}

.alert-tf {
  font-size: 10px;
  color: var(--muted);
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 1px 5px;
}

.alert-row.triggered {
  background: rgba(242, 54, 69, 0.12);
  box-shadow: inset 2px 0 0 var(--down);
}

.alert-sym {
  font-weight: 700;
}

.alert-desc {
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.alert-state {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--muted);
}

.alert-row.triggered .alert-state {
  color: var(--down);
  font-weight: 700;
}

.alert-remove,
.layout-del {
  width: 18px;
  height: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1;
  cursor: pointer;
}

.alert-remove:hover,
.layout-del:hover {
  color: var(--down);
  border-color: var(--down);
}

/* Layout list */

.layout-row {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 4px;
}

.layout-load {
  flex: 1;
  text-align: left;
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 7px 9px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
}

.layout-load:hover {
  border-color: var(--accent);
  color: var(--accent);
}