:root {
  color-scheme: dark;
  --bg: #0b0f15;
  --panel: #141b26;
  --panel-border: #2c3440;
  --text: #ebf2ff;
  --muted: #9bacc4;
  --accent: #2fc2ff;
  --danger: #ff6d84;
  --ok: #3dd190;
  --header-h: 180px;
  --databar-h: 28px;
  --grid-cols: 3;
  --grid-rows: 2;
  --tile-gap: 10px;
  --tile-pad: 8px;
  --tile-radius: 12px;
  --tile-border: 1px;
  --chart-gap: 6px;
  --remove-font: clamp(10px, 0.8vw, 11px);
  --remove-pad-x: clamp(6px, 0.7vw, 10px);
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
  overflow: hidden;
}

body {
  margin: 0;
  color: var(--text);
  font-family: "Segoe UI", "Noto Sans JP", sans-serif;
  background:
    radial-gradient(circle at 15% -10%, #223247 0%, #0b0f15 45%),
    radial-gradient(circle at 110% 10%, #17283b 0%, #0b0f15 40%);
  overflow: hidden;
}

#appHeader {
  padding: 10px 14px 0;
}

.topbar {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}

.brand-block {
  min-width: 220px;
}

h1 {
  margin: 0;
  font-size: clamp(1.15rem, 1.4vw, 1.7rem);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.subtitle {
  margin: 4px 0 0;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.symbol-form {
  display: flex;
  gap: 8px;
}

.view-controls {
  display: flex;
  align-items: center;
  gap: 8px;
}

.inline-control,
.inline-check {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  color: var(--muted);
  white-space: nowrap;
}

input,
select,
button {
  background: #111827;
  border: 1px solid #314055;
  color: var(--text);
  border-radius: 9px;
  padding: 8px 11px;
  font: inherit;
}

button {
  cursor: pointer;
}

button.danger {
  background: #2f1f28;
  border-color: #6a2e41;
  color: #ffdce3;
}

.symbol-form input {
  width: min(300px, 38vw);
}

#layout-select,
#density-select {
  padding: 5px 8px;
  font-size: 0.78rem;
}

#debug-hud-toggle {
  width: 14px;
  height: 14px;
  accent-color: var(--accent);
}

.controls {
  margin: 8px 14px 10px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.control-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.tabs-wrap {
  flex: 1;
  min-width: 240px;
}

.page-tabs {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.tab-btn {
  background: #182030;
  border: 1px solid #34445d;
  max-width: 132px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.tab-btn.active {
  border-color: var(--accent);
  color: #dcf6ff;
}

.page-actions,
.interval-group,
.preset-group {
  display: flex;
  align-items: center;
  gap: 6px;
}

.control-label {
  color: var(--muted);
  font-size: 0.84rem;
  margin-right: 2px;
  white-space: nowrap;
}

.option-buttons {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.option-btn.active {
  border-color: var(--accent);
  color: #dcf6ff;
}

.guide {
  margin: 0;
  color: var(--muted);
  font-size: 0.82rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.status-message {
  min-height: 1.1em;
  margin: 0;
  color: var(--muted);
  font-size: 0.82rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.status-message.error {
  color: var(--danger);
}

.status-message.ok {
  color: var(--ok);
}

main {
  padding: 0 14px 10px;
}

.tiles {
  display: grid;
  grid-template-columns: repeat(var(--grid-cols), 1fr);
  grid-template-rows: repeat(var(--grid-rows), 1fr);
  gap: var(--tile-gap);
  height: calc(100dvh - var(--header-h));
  height: calc(var(--vh, 100dvh) - var(--header-h));
  overflow: hidden;
}

body.layout-6 {
  --grid-cols: 3;
  --grid-rows: 2;
}

body.layout-9 {
  --grid-cols: 3;
  --grid-rows: 3;
}

.tile {
  position: relative;
  background: linear-gradient(180deg, #141c27 0%, #111822 100%);
  border: var(--tile-border) solid var(--panel-border);
  border-radius: var(--tile-radius);
  padding: var(--tile-pad);
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.tile.dragging {
  opacity: 0.6;
  border-color: #7aa9d8;
}

.tile.dragover {
  border-color: var(--accent);
  box-shadow: inset 0 0 0 1px rgba(47, 194, 255, 0.45);
}

.data-bar {
  height: var(--databar-h);
  min-height: var(--databar-h);
  max-height: var(--databar-h);
  display: flex;
  align-items: center;
  gap: 6px;
  background: #101621;
  border: 1px solid #2e3b51;
  border-radius: max(6px, calc(var(--tile-radius) - 4px));
  padding: clamp(2px, 0.32vw, 4px) clamp(5px, 0.62vw, 8px);
  font-size: clamp(10px, 0.9vw, 12px);
  line-height: 1;
  overflow: hidden;
}

.data-item {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.data-item strong {
  color: #f7fbff;
}

.data-item.data-symbol {
  flex-shrink: 0;
  max-width: 35%;
}

.data-meta {
  color: var(--muted);
}

.data-item.data-metric,
.data-item.data-updated {
  flex: 1;
}

.data-bar.data-na {
  border-color: #6a2e41;
  background: #271922;
}

.remove-btn {
  flex-shrink: 0;
  padding: 0 var(--remove-pad-x);
  height: calc(var(--databar-h) - 8px);
  font-size: var(--remove-font);
  background: #2f1f28;
  border-color: #6a2e41;
  color: #ffdce3;
  border-radius: 6px;
}

.tile-menu {
  display: none;
  position: absolute;
  top: 2px;
  right: 2px;
  z-index: 2;
}

.tile-menu-trigger {
  list-style: none;
  width: 18px;
  height: 18px;
  border-radius: 5px;
  background: rgba(9, 14, 24, 0.88);
  border: 1px solid #34445d;
  color: #d8e8ff;
  text-align: center;
  font-size: 12px;
  line-height: 15px;
  cursor: pointer;
}

.tile-menu-trigger::-webkit-details-marker {
  display: none;
}

.tile-menu-actions {
  margin-top: 4px;
  padding: 4px;
  border: 1px solid #34445d;
  border-radius: 6px;
  background: rgba(10, 16, 27, 0.96);
}

.tile-menu-actions button {
  font-size: 10px;
  padding: 4px 6px;
}

.chart-widget {
  margin-top: var(--chart-gap);
  height: calc(100% - var(--databar-h) - var(--chart-gap));
  min-height: 0;
  overflow: hidden;
}

.chart-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.02em;
  background: linear-gradient(180deg, #0f1622 0%, #0d131e 100%);
}

.empty-tile {
  border: 1px dashed #3a4960;
  border-radius: max(8px, calc(var(--tile-radius) - 2px));
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  font-size: 0.85rem;
  text-align: center;
  padding: 8px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.tradingview-widget-container,
.tradingview-widget-container__widget,
.tradingview-widget-container iframe,
.tradingview-widget-container > div {
  width: 100%;
  height: 100% !important;
  min-height: 0;
}

.debug-hud {
  position: fixed;
  top: 8px;
  right: 8px;
  z-index: 999;
  display: none;
  background: rgba(8, 12, 20, 0.92);
  border: 1px solid #2f3b4f;
  border-radius: 8px;
  padding: 6px 8px;
  color: #d5e7ff;
  font-size: 11px;
  line-height: 1.35;
  white-space: pre-line;
  pointer-events: none;
}

body.debug-hud-on .debug-hud {
  display: block;
}

body.density-standard {
  --databar-h: 28px;
  --tile-gap: 10px;
  --tile-pad: 8px;
  --tile-radius: 12px;
  --chart-gap: 6px;
  --remove-font: clamp(10px, 0.8vw, 11px);
  --remove-pad-x: clamp(6px, 0.7vw, 10px);
}

body.density-compact {
  --databar-h: 24px;
  --tile-gap: 6px;
  --tile-pad: 5px;
  --tile-radius: 9px;
  --chart-gap: 4px;
  --remove-font: 10px;
  --remove-pad-x: 6px;
}

body.density-ultra {
  --databar-h: 18px;
  --tile-gap: 3px;
  --tile-pad: 2px;
  --tile-radius: 6px;
  --chart-gap: 2px;
  --remove-font: 9px;
  --remove-pad-x: 4px;
}

body.density-compact .topbar,
body.density-compact .topbar-actions,
body.density-compact .control-row,
body.density-compact .page-tabs,
body.density-compact .option-buttons,
body.density-ultra .topbar,
body.density-ultra .topbar-actions,
body.density-ultra .control-row,
body.density-ultra .page-tabs,
body.density-ultra .option-buttons {
  flex-wrap: nowrap;
}

body.density-compact .topbar,
body.density-compact .topbar-actions,
body.density-compact .control-row,
body.density-compact .tabs-wrap,
body.density-compact .page-tabs,
body.density-compact .page-actions,
body.density-compact .interval-group,
body.density-compact .option-buttons,
body.density-compact .preset-group,
body.density-ultra .topbar,
body.density-ultra .topbar-actions,
body.density-ultra .control-row,
body.density-ultra .tabs-wrap,
body.density-ultra .page-tabs,
body.density-ultra .page-actions,
body.density-ultra .interval-group,
body.density-ultra .option-buttons,
body.density-ultra .preset-group {
  overflow-x: auto;
  overflow-y: hidden;
  scrollbar-width: thin;
}

body.density-compact #appHeader,
body.density-ultra #appHeader {
  padding-top: 8px;
}

body.density-compact .controls,
body.density-ultra .controls {
  margin-top: 6px;
  gap: 4px;
}

body.density-ultra .subtitle,
body.density-ultra .guide,
body.density-ultra .status-message {
  display: none;
}

body.density-ultra .data-bar {
  font-size: 10px;
  gap: 4px;
  padding-inline: 4px;
}

body.density-ultra .data-item.data-symbol,
body.density-ultra .data-item.data-metric,
body.density-ultra .data-item.data-updated,
body.density-ultra .remove-btn {
  display: none;
}

body.density-ultra .tile-menu {
  display: block;
}

body.header-tight .subtitle,
body.header-tight .guide,
body.header-tight .status-message {
  display: none;
}

body.header-tight .control-row,
body.header-tight .topbar,
body.header-tight .topbar-actions,
body.header-tight .page-tabs,
body.header-tight .option-buttons {
  flex-wrap: nowrap;
}

body.header-tight .tabs-wrap,
body.header-tight .page-tabs,
body.header-tight .page-actions,
body.header-tight .interval-group,
body.header-tight .option-buttons,
body.header-tight .preset-group,
body.header-tight .topbar-actions {
  overflow-x: auto;
  overflow-y: hidden;
}

.sr-only {
  border: 0;
  clip: rect(0 0 0 0);
  height: 1px;
  margin: -1px;
  overflow: hidden;
  padding: 0;
  position: absolute;
  width: 1px;
}

@media (max-height: 719px) {
  .tiles {
    overflow: auto;
  }
}

@media (max-width: 1280px) {
  .symbol-form input {
    width: min(240px, 32vw);
  }

  .tab-btn {
    max-width: 108px;
  }
}

@media (max-width: 1024px) {
  .controls {
    margin-inline: 10px;
  }

  main,
  #appHeader {
    padding-inline: 10px;
  }
}