:root {
  color-scheme: dark;
  --accent: #ff7a00;
  --accent-strong: #ff9f1a;
  --accent-soft-text: #ffd29a;
  --accent-rgb: 255, 122, 0;
  --accent-contrast: #050100;
  --bg: #000000;
  --panel: #050505;
  --panel-2: #090909;
  --panel-3: #101010;
  --topbar-start: #080808;
  --topbar-mid: #000000;
  --topbar-end: #111111;
  --control-bg: #070707;
  --input-bg: #000000;
  --text: #fff7ea;
  --muted: #b8aa99;
  --grid: rgba(var(--accent-rgb), 0.16);
  --border: rgba(var(--accent-rgb), 0.48);
  --shadow: rgba(var(--accent-rgb), 0.22);
  --success: #39ff14;
  --success-rgb: 57, 255, 20;
  --red: #ff3b30;
  --cyan: var(--accent-soft-text);
  --yellow: var(--accent-soft-text);
  --green: var(--success);
  --blue: var(--accent);
  --blue-2: var(--accent-strong);
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

:root[data-accent="green"] {
  --accent: #39ff14;
  --accent-strong: #7cff5e;
  --accent-soft-text: #baffaa;
  --accent-rgb: 57, 255, 20;
}

:root[data-accent="blue"] {
  --accent: #38bdf8;
  --accent-strong: #7dd3fc;
  --accent-soft-text: #bae6fd;
  --accent-rgb: 56, 189, 248;
}

:root[data-accent="fuchsia"] {
  --accent: #ff3df2;
  --accent-strong: #ff7af6;
  --accent-soft-text: #ffc2fb;
  --accent-rgb: 255, 61, 242;
}

:root[data-theme="light"] {
  color-scheme: light;
  --bg: #ffffff;
  --panel: #fbfbfb;
  --panel-2: #f3f3f3;
  --panel-3: #e9e9e9;
  --topbar-start: #ffffff;
  --topbar-mid: #f7f7f7;
  --topbar-end: #eeeeee;
  --control-bg: #ffffff;
  --input-bg: #ffffff;
  --text: #080808;
  --muted: #525252;
  --border: rgba(var(--accent-rgb), 0.55);
  --shadow: rgba(var(--accent-rgb), 0.12);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background:
    linear-gradient(rgba(var(--accent-rgb), 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(var(--accent-rgb), 0.04) 1px, transparent 1px),
    radial-gradient(circle at 20% 0%, rgba(var(--accent-rgb), 0.14), transparent 34rem),
    radial-gradient(circle at 85% 10%, rgba(var(--success-rgb), 0.08), transparent 28rem),
    var(--bg);
  background-size: 24px 24px, 24px 24px, auto, auto, auto;
  color: var(--text);
  font-family: var(--sans);
  overflow-x: hidden;
}

button, input, textarea { font: inherit; }
code, pre { font-family: var(--mono); }

.terminal-shell {
  min-height: 100vh;
  padding: 16px;
}

.terminal-topbar {
  height: 40px;
  border: 1px solid var(--border);
  background: linear-gradient(90deg, var(--topbar-start), var(--panel) 55%, var(--topbar-end));
  display: grid;
  grid-template-columns: 120px 1fr minmax(240px, 360px);
  align-items: center;
  box-shadow: 0 0 28px var(--shadow), inset 0 -1px rgba(255,255,255,0.04);
}

.window-dots { display: flex; gap: 8px; padding-left: 14px; }
.window-dots span { width: 10px; height: 10px; border-radius: 999px; background: var(--blue); box-shadow: 0 0 10px var(--blue); }
.window-dots span:nth-child(2) { background: var(--yellow); box-shadow: 0 0 10px var(--yellow); }
.window-dots span:nth-child(3) { background: var(--green); box-shadow: 0 0 10px var(--green); }

.topbar-title, .topbar-clock {
  color: var(--yellow);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.topbar-title { text-align: center; }
.topbar-actions { display: flex; justify-content: flex-end; align-items: center; gap: 8px; padding-right: 12px; }
.topbar-clock { text-align: right; color: var(--green); min-width: 96px; }
.topbar-control {
  border: 1px solid var(--border);
  background: var(--control-bg);
  color: var(--accent);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  padding: 6px 8px;
  cursor: pointer;
  text-transform: uppercase;
}
.topbar-control:hover { box-shadow: 0 0 16px var(--shadow); }

.terminal-grid {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  gap: 16px;
  min-height: calc(100vh - 72px);
  padding-top: 16px;
}

.market-rail {
  border: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(var(--accent-rgb), 0.08), rgba(0,0,0,0.2)), var(--panel);
  box-shadow: inset 0 0 32px rgba(var(--accent-rgb),0.04);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.rail-brand { border-bottom: 1px solid var(--border); padding-bottom: 16px; }
.rail-logo {
  font-family: var(--mono);
  color: var(--blue);
  font-size: 42px;
  font-weight: 900;
  letter-spacing: -0.08em;
  text-shadow: 3px 3px 0 rgba(var(--accent-rgb), 0.34), 0 0 20px var(--shadow);
}
.rail-subtitle { font-family: var(--mono); color: var(--muted); font-size: 11px; letter-spacing: 0.08em; }

.ticker-block {
  border: 1px solid rgba(var(--accent-rgb),0.28);
  background: var(--panel-2);
  padding: 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--mono);
}
.ticker-block span { color: var(--muted); font-size: 11px; }
.ticker-block strong { color: var(--green); font-size: 16px; }

.rail-nav { display: grid; gap: 8px; margin-top: 8px; }
.rail-button, .terminal-button, .copy-command, .terminal-row button {
  border: 1px solid var(--border);
  background: var(--control-bg);
  color: var(--text);
  padding: 10px 12px;
  cursor: pointer;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: transform 140ms ease, border-color 140ms ease, color 140ms ease, background 140ms ease;
}
.rail-button:hover, .terminal-button:hover, .copy-command:hover, .terminal-row button:hover { transform: translateY(-1px); border-color: var(--blue); color: var(--blue); }
.rail-button.active, .terminal-button.primary { background: linear-gradient(90deg, var(--accent), var(--accent-strong)); color: var(--accent-contrast); border-color: var(--blue); font-weight: 800; }
.terminal-button.danger { color: var(--red); border-color: rgba(255,47,47,0.45); }

.workspace { min-width: 0; }
.hero-panel, .portal-panel, .cli-panel, .deploy-panel, .settings-panel {
  min-height: 100%;
  border: 1px solid var(--border);
  background:
    linear-gradient(rgba(var(--accent-rgb), 0.026) 1px, transparent 1px),
    linear-gradient(90deg, rgba(var(--accent-rgb), 0.026) 1px, transparent 1px),
    linear-gradient(135deg, rgba(var(--accent-rgb),0.08), rgba(0,0,0,0) 36rem),
    var(--panel);
  background-size: 18px 18px, 18px 18px, auto, auto;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.025), 0 0 40px rgba(0,0,0,0.55);
}
.hero-panel {
  display: grid;
  grid-template-columns: minmax(320px, 0.92fr) minmax(380px, 1fr);
  gap: 22px;
  padding: 28px;
}
.hidden { display: none !important; }

.eyebrow {
  color: var(--yellow);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  margin: 0 0 10px;
}
h1, h2, h3 { margin: 0; line-height: 0.95; }
h1 { font-size: clamp(42px, 7vw, 94px); letter-spacing: -0.075em; text-transform: uppercase; }
h1 span { color: var(--blue); text-shadow: 4px 4px 0 rgba(var(--accent-rgb), 0.34); }
h2 { font-size: clamp(28px, 4vw, 54px); letter-spacing: -0.045em; text-transform: uppercase; }
h3 { font-size: 20px; color: var(--blue); }
.lede, .panel-heading p { color: var(--muted); font-size: 16px; line-height: 1.7; max-width: 760px; }

.command-card {
  position: relative;
  border: 1px solid var(--border);
  background: var(--control-bg);
  padding: 20px 76px 20px 18px;
  margin-top: 18px;
  overflow: hidden;
}
.command-card::before { content: ">"; color: var(--blue); margin-right: 8px; font-family: var(--mono); }
.command-card-label { color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: 0.14em; margin-bottom: 8px; }
.command-card code { color: var(--green); white-space: normal; word-break: break-word; }
.command-card.compact { padding: 16px 64px 16px 16px; margin-top: 0; }
.command-row { display: grid; gap: 12px; margin-top: 12px; }
.copy-command { position: absolute; top: 12px; right: 12px; padding: 6px 8px; font-size: 10px; }

.import-console {
  border: 1px solid rgba(var(--accent-rgb),0.52);
  background: rgba(0,0,0,0.58);
  padding: 16px;
  box-shadow: 0 0 30px rgba(var(--accent-rgb),0.08);
}
.console-header {
  display: flex; justify-content: space-between; align-items: center;
  color: var(--blue); font-family: var(--mono); font-size: 12px;
  border-bottom: 1px solid var(--border); padding-bottom: 12px; margin-bottom: 14px;
}
.console-header strong { color: var(--green); }
.drop-zone {
  border: 1px dashed var(--blue);
  background: rgba(var(--accent-rgb),0.05);
  min-height: 150px;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center; gap: 10px; cursor: pointer; padding: 18px;
}
.drop-zone.dragging { background: rgba(var(--accent-rgb),0.14); box-shadow: inset 0 0 20px rgba(var(--accent-rgb),0.18); }
.drop-zone input { display: none; }
.drop-title { color: var(--blue); font-family: var(--mono); font-size: 18px; font-weight: 900; }
.drop-copy { color: var(--muted); font-size: 13px; }
textarea, input[type="url"], input[type="search"] {
  width: 100%;
  border: 1px solid rgba(var(--accent-rgb),0.32);
  background: var(--input-bg);
  color: var(--text);
  padding: 12px;
  outline: none;
}
textarea:focus, input:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(var(--accent-rgb),0.1); }
#jsonPaste { min-height: 140px; margin: 12px 0; resize: vertical; font-family: var(--mono); font-size: 12px; }
.button-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
.url-import { display: grid; grid-template-columns: 1fr 140px; gap: 8px; margin-top: 12px; }
.activity-log { min-height: 112px; max-height: 160px; overflow: auto; margin: 12px 0 0; padding: 12px; background: var(--input-bg); border: 1px solid rgba(var(--accent-rgb),0.22); color: var(--green); font-size: 12px; white-space: pre-wrap; }

.portal-panel, .cli-panel, .deploy-panel, .settings-panel { padding: 22px; }
.portal-toolbar { display: flex; justify-content: space-between; gap: 16px; align-items: end; border-bottom: 1px solid var(--border); padding-bottom: 18px; }
.portal-actions { display: flex; gap: 10px; align-items: center; }
.portal-actions input { width: min(360px, 35vw); }
.docs-layout { display: grid; grid-template-columns: 310px minmax(0, 1fr); gap: 18px; padding-top: 18px; min-height: 72vh; }
.docs-sidebar { border: 1px solid rgba(var(--accent-rgb),0.28); background: var(--panel); padding: 12px; overflow: auto; max-height: 74vh; }
.sidebar-group { margin-bottom: 12px; }
.sidebar-group-title { width: 100%; border: 0; background: var(--panel-3); color: var(--yellow); padding: 9px; text-align: left; font-family: var(--mono); font-size: 12px; cursor: pointer; text-transform: uppercase; }
.sidebar-page { display: block; width: 100%; border: 0; border-left: 2px solid transparent; background: transparent; color: var(--muted); text-align: left; padding: 8px 10px; cursor: pointer; font-family: var(--mono); font-size: 12px; }
.sidebar-page:hover, .sidebar-page.active { color: var(--blue); border-left-color: var(--blue); background: rgba(var(--accent-rgb),0.06); }
.docs-content { border: 1px solid rgba(var(--accent-rgb),0.28); background: var(--panel-2); padding: 26px; overflow: auto; max-height: 74vh; }
.docs-content h1, .docs-content h2, .docs-content h3 { letter-spacing: -0.025em; text-transform: none; line-height: 1.12; }
.docs-content h1 { font-size: 44px; color: var(--blue); }
.docs-content h2 { font-size: 30px; color: var(--yellow); margin-top: 28px; }
.docs-content h3 { font-size: 22px; margin-top: 22px; }
.docs-content p, .docs-content li { color: var(--text); line-height: 1.7; }
.docs-content a { color: var(--cyan); }
.docs-content pre { position: relative; background: var(--input-bg); border: 1px solid var(--border); padding: 14px; overflow: auto; color: var(--green); }
.docs-content code { color: var(--green); }
.docs-content blockquote { border-left: 3px solid var(--blue); margin: 18px 0; padding: 4px 16px; color: var(--muted); background: rgba(var(--accent-rgb),0.04); }
.empty-state { min-height: 48vh; display: grid; place-content: center; text-align: center; }

.panel-heading { border-bottom: 1px solid var(--border); padding-bottom: 18px; margin-bottom: 18px; }
.terminal-table { border: 1px solid var(--border); background: var(--input-bg); }
.terminal-row { display: grid; grid-template-columns: 46px minmax(0, 1fr) 84px; gap: 10px; align-items: center; padding: 12px; border-bottom: 1px solid rgba(var(--accent-rgb),0.22); }
.terminal-row:last-child { border-bottom: 0; }
.terminal-row span { color: var(--yellow); font-family: var(--mono); }
.terminal-row code { color: var(--green); overflow-wrap: anywhere; }
.terminal-row button { padding: 7px; }
.info-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; margin-top: 18px; }
.info-card { border: 1px solid rgba(var(--accent-rgb),0.28); background: var(--panel-2); padding: 18px; }
.info-card p { color: var(--muted); line-height: 1.65; }
.command-stack { display: grid; gap: 12px; max-width: 980px; }

@media (max-width: 1080px) {
  .terminal-grid { grid-template-columns: 1fr; }
  .market-rail { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .rail-brand, .rail-nav { grid-column: 1 / -1; }
  .rail-nav { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .hero-panel { grid-template-columns: 1fr; }
  .docs-layout { grid-template-columns: 1fr; }
  .docs-sidebar, .docs-content { max-height: none; }
}

@media (max-width: 680px) {
  .terminal-shell { padding: 8px; }
  .terminal-topbar { grid-template-columns: 80px 1fr; }
  .topbar-clock { display: none; }
  .hero-panel, .portal-panel, .cli-panel, .deploy-panel, .settings-panel { padding: 16px; }
  .button-grid, .url-import, .info-grid, .portal-toolbar, .portal-actions { grid-template-columns: 1fr; display: grid; }
  .portal-actions input { width: 100%; }
  .terminal-row { grid-template-columns: 34px 1fr; }
  .terminal-row button { grid-column: 2; width: max-content; }
}

/* Doku app refinements */
.portal-import-strip {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr) 140px 130px;
  gap: 10px;
  align-items: center;
  border: 1px solid rgba(var(--accent-rgb), 0.28);
  background: rgba(0, 0, 0, 0.28);
  padding: 12px;
  margin-top: 14px;
}
.file-trigger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 39px;
  text-align: center;
}
.hero-copy code,
.panel-heading code,
.info-card code {
  color: var(--green);
}
.terminal-button.primary,
.rail-button.active {
  box-shadow: 0 0 16px rgba(var(--accent-rgb), 0.18);
}
.drop-zone,
.terminal-button,
.rail-button,
.copy-command,
.file-trigger {
  user-select: none;
}
.url-import input,
.portal-import-strip input {
  min-height: 39px;
}
.docs-content code {
  background: rgba(0, 0, 0, 0.22);
  border: 1px solid rgba(var(--accent-rgb), 0.14);
  padding: 1px 5px;
}
.docs-content pre code {
  border: 0;
  background: transparent;
  padding: 0;
}

@media (max-width: 1080px) {
  .rail-nav { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .portal-import-strip { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 680px) {
  .portal-import-strip { grid-template-columns: 1fr; }
  .hero-copy h1 { font-size: clamp(38px, 13vw, 62px); }
}



/* Theme settings */
.settings-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 18px;
}
.settings-card,
.settings-preview {
  border: 1px solid var(--border);
  background:
    linear-gradient(rgba(var(--accent-rgb), 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(var(--accent-rgb), 0.035) 1px, transparent 1px),
    var(--panel-2);
  background-size: 16px 16px, 16px 16px, auto;
  padding: 18px;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.025);
}
.settings-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 16px;
  align-items: center;
}
.settings-label {
  margin: 0 0 8px;
  color: var(--accent-soft-text);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.settings-copy {
  color: var(--muted);
  line-height: 1.6;
  margin: 10px 0 0;
}
.accent-picker {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}
.accent-swatch {
  display: flex;
  align-items: center;
  gap: 10px;
  border: 1px solid var(--border);
  background: var(--control-bg);
  color: var(--text);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  padding: 11px 12px;
  cursor: pointer;
  text-transform: uppercase;
}
.accent-swatch span {
  width: 18px;
  height: 18px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.28);
  box-shadow: 0 0 14px currentColor;
}
.accent-swatch[data-accent-choice="orange"] span { background: #ff7a00; color: #ff7a00; }
.accent-swatch[data-accent-choice="green"] span { background: #39ff14; color: #39ff14; }
.accent-swatch[data-accent-choice="blue"] span { background: #38bdf8; color: #38bdf8; }
.accent-swatch[data-accent-choice="fuchsia"] span { background: #ff3df2; color: #ff3df2; }
.accent-swatch.active {
  border-color: var(--accent);
  color: var(--accent);
  box-shadow: inset 0 0 0 1px rgba(var(--accent-rgb), 0.28), 0 0 18px var(--shadow);
}
.settings-preview { margin-top: 16px; }
:root[data-theme="light"] body {
  background:
    linear-gradient(rgba(var(--accent-rgb), 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(var(--accent-rgb), 0.045) 1px, transparent 1px),
    radial-gradient(circle at 20% 0%, rgba(var(--accent-rgb), 0.10), transparent 34rem),
    radial-gradient(circle at 85% 10%, rgba(var(--success-rgb), 0.07), transparent 28rem),
    var(--bg);
  color: var(--text);
}
:root[data-theme="light"] .docs-content p,
:root[data-theme="light"] .docs-content li { color: var(--text); }
:root[data-theme="light"] textarea,
:root[data-theme="light"] input[type="url"],
:root[data-theme="light"] input[type="search"] { color: var(--text); }


/* Hidden su.doku.sh easter egg */
html.sudoku-mode,
html.sudoku-mode body {
  min-height: 100%;
}

html.sudoku-mode body {
  background:
    linear-gradient(rgba(var(--accent-rgb), 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(var(--accent-rgb), 0.045) 1px, transparent 1px),
    radial-gradient(circle at 18% 12%, rgba(var(--accent-rgb), 0.18), transparent 30rem),
    radial-gradient(circle at 88% 12%, rgba(var(--success-rgb), 0.09), transparent 28rem),
    var(--input-bg);
  background-size: 22px 22px, 22px 22px, auto, auto, auto;
}

.sudoku-shell {
  min-height: 100vh;
  padding: 16px;
}

.sudoku-terminal {
  min-height: calc(100vh - 32px);
  border: 1px solid var(--border);
  box-shadow: 0 0 42px rgba(var(--accent-rgb), 0.16), inset 0 0 0 1px rgba(255,255,255,0.035);
  background: rgba(5, 5, 0, 0.92);
}

.sudoku-topbar {
  height: 40px;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(90deg, var(--topbar-start), var(--panel) 55%, var(--topbar-end));
  display: grid;
  grid-template-columns: 120px 1fr minmax(240px, 360px);
  align-items: center;
}

.sudoku-grid-layout {
  display: grid;
  grid-template-columns: minmax(260px, 360px) minmax(340px, 1fr);
  gap: 18px;
  padding: 18px;
}

.sudoku-rail,
.sudoku-board-panel {
  border: 1px solid var(--border);
  background:
    linear-gradient(rgba(var(--accent-rgb), 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(var(--accent-rgb), 0.03) 1px, transparent 1px),
    var(--panel);
  background-size: 16px 16px, 16px 16px, auto;
  padding: 20px;
}

.sudoku-kicker {
  margin: 0 0 12px;
  color: var(--green);
  font-family: var(--mono);
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.sudoku-rail h1 {
  font-size: clamp(62px, 8vw, 120px);
  line-height: 0.78;
  letter-spacing: -0.09em;
  text-shadow: 5px 5px 0 rgba(var(--accent-rgb), 0.34), 0 0 24px rgba(var(--accent-rgb), 0.24);
}

.sudoku-rail h1 span {
  color: var(--blue);
}

.sudoku-copy {
  color: var(--muted);
  line-height: 1.6;
  margin: 20px 0;
}

.sudoku-stat {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  border: 1px solid rgba(var(--accent-rgb),0.28);
  background: var(--control-bg);
  padding: 12px;
  margin-bottom: 10px;
  font-family: var(--mono);
}

.sudoku-stat span {
  color: var(--muted);
}

.sudoku-stat strong {
  color: var(--green);
}

.sudoku-actions {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

.sudoku-actions button,
.sudoku-actions a,
.sudoku-pad button,
.sudoku-cell {
  border: 1px solid var(--border);
  background: var(--control-bg);
  color: var(--text);
  cursor: pointer;
  font-family: var(--mono);
  text-align: center;
  text-decoration: none;
}

.sudoku-actions button,
.sudoku-actions a,
.sudoku-pad button {
  padding: 11px 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.sudoku-actions button:hover,
.sudoku-actions a:hover,
.sudoku-pad button:hover,
.sudoku-cell:hover {
  border-color: var(--yellow);
  color: var(--yellow);
  box-shadow: 0 0 18px rgba(var(--accent-rgb), 0.12);
}

.sudoku-status-line {
  border: 1px solid rgba(var(--accent-rgb),0.28);
  background: var(--input-bg);
  color: var(--green);
  font-family: var(--mono);
  padding: 12px;
  margin-bottom: 18px;
}

.sudoku-board {
  width: min(78vh, 100%, 680px);
  aspect-ratio: 1;
  display: grid;
  grid-template-columns: repeat(9, 1fr);
  border: 2px solid var(--blue);
  box-shadow: 0 0 34px rgba(var(--accent-rgb),0.12);
}

.sudoku-cell {
  min-width: 0;
  font-size: clamp(18px, 4vw, 38px);
  font-weight: 900;
  border-width: 0 1px 1px 0;
  color: var(--blue);
  background: rgba(var(--accent-rgb),0.035);
}

.sudoku-cell.given {
  color: var(--text);
  background: rgba(255,255,255,0.045);
}

.sudoku-cell.selected {
  background: rgba(var(--success-rgb), 0.16);
  color: var(--green);
}

.sudoku-cell.matching:not(.selected) {
  background: rgba(var(--accent-rgb), 0.09);
}

.sudoku-cell.thick-right {
  border-right-width: 3px;
  border-right-color: var(--blue);
}

.sudoku-cell.thick-bottom {
  border-bottom-width: 3px;
  border-bottom-color: var(--blue);
}

.sudoku-board.complete {
  border-color: var(--green);
  box-shadow: 0 0 46px rgba(var(--success-rgb),0.22);
}

.sudoku-pad {
  width: min(78vh, 100%, 680px);
  display: grid;
  grid-template-columns: repeat(10, minmax(0, 1fr));
  gap: 8px;
  margin-top: 14px;
}

.sudoku-footer {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 12px;
  margin-top: 16px;
}

@media (max-width: 860px) {
  .sudoku-grid-layout {
    grid-template-columns: 1fr;
  }

  .sudoku-pad {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
}

@media (max-width: 760px) { .settings-grid, .settings-card { grid-template-columns: 1fr; } .topbar-actions { gap: 5px; } .topbar-control { padding: 5px 6px; } }

/* Doku 0.1.4 theme polish: OLED default, accessible light mode, persistent accents */
:root {
  --surface-shadow: 0 18px 42px rgba(0, 0, 0, 0.28);
  --hairline: rgba(var(--accent-rgb), 0.36);
}

:root[data-theme="light"] {
  color-scheme: light;
  --bg: #f6f8fb;
  --panel: #ffffff;
  --panel-2: #f9fafb;
  --panel-3: #eef2f7;
  --topbar-start: #ffffff;
  --topbar-mid: #f8fafc;
  --topbar-end: #eef2f7;
  --control-bg: #ffffff;
  --input-bg: #ffffff;
  --text: #0b1220;
  --muted: #475569;
  --border: rgba(var(--accent-rgb), 0.32);
  --shadow: rgba(15, 23, 42, 0.08);
  --surface-shadow: 0 12px 28px rgba(15, 23, 42, 0.08);
  --success: #166534;
  --success-rgb: 22, 101, 52;
  --green: #166534;
  --cyan: var(--accent);
  --yellow: var(--accent-soft-text);
  --blue: var(--accent);
  --blue-2: var(--accent-strong);
  --accent-contrast: #ffffff;
  --hairline: rgba(15, 23, 42, 0.12);
}

:root[data-theme="light"][data-accent="orange"],
:root[data-theme="light"]:not([data-accent]),
:root[data-theme="light"][data-accent=""] {
  --accent: #b45309;
  --accent-strong: #92400e;
  --accent-soft-text: #7c2d12;
  --accent-rgb: 180, 83, 9;
}

:root[data-theme="light"][data-accent="green"] {
  --accent: #15803d;
  --accent-strong: #166534;
  --accent-soft-text: #14532d;
  --accent-rgb: 21, 128, 61;
}

:root[data-theme="light"][data-accent="blue"] {
  --accent: #0369a1;
  --accent-strong: #075985;
  --accent-soft-text: #0c4a6e;
  --accent-rgb: 3, 105, 161;
}

:root[data-theme="light"][data-accent="fuchsia"] {
  --accent: #a21caf;
  --accent-strong: #86198f;
  --accent-soft-text: #701a75;
  --accent-rgb: 162, 28, 175;
}

:root[data-theme="light"] body {
  background:
    radial-gradient(circle at 14% -10%, rgba(var(--accent-rgb), 0.08), transparent 28rem),
    radial-gradient(circle at 90% 0%, rgba(15, 23, 42, 0.05), transparent 32rem),
    linear-gradient(180deg, #ffffff 0%, #f6f8fb 48%, #eef2f7 100%);
  color: var(--text);
}

:root[data-theme="light"] .terminal-topbar,
:root[data-theme="light"] .market-rail,
:root[data-theme="light"] .hero-panel,
:root[data-theme="light"] .portal-panel,
:root[data-theme="light"] .cli-panel,
:root[data-theme="light"] .deploy-panel,
:root[data-theme="light"] .settings-panel,
:root[data-theme="light"] .import-console,
:root[data-theme="light"] .settings-card,
:root[data-theme="light"] .settings-preview,
:root[data-theme="light"] .info-card,
:root[data-theme="light"] .docs-sidebar,
:root[data-theme="light"] .docs-content,
:root[data-theme="light"] .terminal-table,
:root[data-theme="light"] .portal-import-strip {
  background: var(--panel);
  box-shadow: var(--surface-shadow);
  border-color: var(--hairline);
}

:root[data-theme="light"] .hero-panel,
:root[data-theme="light"] .portal-panel,
:root[data-theme="light"] .cli-panel,
:root[data-theme="light"] .deploy-panel,
:root[data-theme="light"] .settings-panel {
  background:
    linear-gradient(rgba(var(--accent-rgb), 0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(var(--accent-rgb), 0.018) 1px, transparent 1px),
    var(--panel);
  background-size: 22px 22px, 22px 22px, auto;
}

:root[data-theme="light"] .market-rail {
  background: linear-gradient(180deg, #ffffff, #f8fafc);
}

:root[data-theme="light"] .rail-logo,
:root[data-theme="light"] h1 span,
:root[data-theme="light"] h3,
:root[data-theme="light"] .drop-title,
:root[data-theme="light"] .console-header,
:root[data-theme="light"] .topbar-title,
:root[data-theme="light"] .eyebrow,
:root[data-theme="light"] .sidebar-page:hover,
:root[data-theme="light"] .sidebar-page.active,
:root[data-theme="light"] .docs-content h1,
:root[data-theme="light"] .docs-content a {
  color: var(--accent);
  text-shadow: none;
}

:root[data-theme="light"] h1,
:root[data-theme="light"] h2,
:root[data-theme="light"] .portal-toolbar h2,
:root[data-theme="light"] .panel-heading h2 {
  color: var(--text);
}

:root[data-theme="light"] .topbar-clock,
:root[data-theme="light"] .ticker-block strong,
:root[data-theme="light"] .console-header strong,
:root[data-theme="light"] .activity-log {
  color: var(--success);
}

:root[data-theme="light"] .command-card code,
:root[data-theme="light"] .terminal-row code,
:root[data-theme="light"] .hero-copy code,
:root[data-theme="light"] .panel-heading code,
:root[data-theme="light"] .info-card code,
:root[data-theme="light"] .docs-content code {
  color: var(--accent);
}

:root[data-theme="light"] .drop-zone,
:root[data-theme="light"] textarea,
:root[data-theme="light"] input[type="url"],
:root[data-theme="light"] input[type="search"],
:root[data-theme="light"] .activity-log,
:root[data-theme="light"] .command-card,
:root[data-theme="light"] .ticker-block,
:root[data-theme="light"] .sidebar-group-title,
:root[data-theme="light"] .docs-content pre {
  background: #ffffff;
  border-color: rgba(var(--accent-rgb), 0.24);
  color: var(--text);
  box-shadow: none;
}

:root[data-theme="light"] .drop-zone {
  background: #f8fafc;
}

:root[data-theme="light"] .drop-zone.dragging,
:root[data-theme="light"] .sidebar-page:hover,
:root[data-theme="light"] .sidebar-page.active,
:root[data-theme="light"] .docs-content blockquote {
  background: rgba(var(--accent-rgb), 0.06);
}

:root[data-theme="light"] .terminal-button.primary,
:root[data-theme="light"] .rail-button.active {
  background: var(--accent);
  color: #ffffff;
  border-color: var(--accent);
  box-shadow: none;
}

:root[data-theme="light"] .terminal-button,
:root[data-theme="light"] .rail-button,
:root[data-theme="light"] .copy-command,
:root[data-theme="light"] .terminal-row button,
:root[data-theme="light"] .topbar-control,
:root[data-theme="light"] .accent-swatch,
:root[data-theme="light"] .file-trigger {
  background: #ffffff;
  color: var(--text);
  border-color: rgba(15, 23, 42, 0.16);
  box-shadow: none;
}

:root[data-theme="light"] .terminal-button:hover,
:root[data-theme="light"] .rail-button:hover,
:root[data-theme="light"] .copy-command:hover,
:root[data-theme="light"] .terminal-row button:hover,
:root[data-theme="light"] .topbar-control:hover,
:root[data-theme="light"] .accent-swatch:hover {
  color: var(--accent);
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(var(--accent-rgb), 0.08);
}

:root[data-theme="light"] .rail-button.active:hover,
:root[data-theme="light"] .terminal-button.primary:hover {
  color: #ffffff;
}

:root[data-theme="light"] .docs-content pre code {
  color: var(--text);
}

:root[data-theme="light"] .accent-swatch span {
  box-shadow: none;
  border-color: rgba(15, 23, 42, 0.18);
}

:root[data-theme="light"] .accent-swatch.active {
  color: var(--accent);
  border-color: var(--accent);
  box-shadow: inset 0 0 0 1px rgba(var(--accent-rgb), 0.18);
}

:root[data-theme="light"] .window-dots span {
  box-shadow: none;
}

:root[data-theme="light"] h1 span {
  color: var(--text);
}

:root[data-theme="light"] .lede,
:root[data-theme="light"] .panel-heading p,
:root[data-theme="light"] .settings-copy,
:root[data-theme="light"] .info-card p,
:root[data-theme="light"] .drop-copy,
:root[data-theme="light"] .rail-subtitle,
:root[data-theme="light"] .sidebar-page,
:root[data-theme="light"] .docs-content blockquote {
  color: var(--muted);
}