/*
 * Page-level theme only. Control internals (knob/combo/toggle/slider)
 * are styled by uicontrols.css, loaded directly into each control's
 * shadow root - not by variables cascading from here.
 */
:root {
  --ui-fg: #e6e6e6;
  --ui-label: #9a9a9a;
  --ui-accent: #d81f1f;

  --bg: #141414;
  --panel: #1b1b1b;
  --panel-border: #2c2c2c;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ui-fg);
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* MIDI interface bar: sits above the header/nav on every page so the
   user picks their device once per session (see midi-interface.js). */
.midi-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding: 10px 28px;
  background: #101010;
  border-bottom: 1px solid var(--panel-border);
  font-size: 12px;
}

.midi-bar-label {
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ui-label);
  font-size: 10px;
  flex: 0 0 auto;
}

.midi-bar select {
  background: var(--panel);
  color: var(--ui-fg);
  border: 1px solid var(--panel-border);
  border-radius: 4px;
  padding: 5px 8px;
  font-size: 12px;
  max-width: 220px;
}

.midi-bar select:focus {
  outline: none;
  border-color: var(--ui-accent);
}

.midi-bar-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--ui-label);
  margin-left: auto;
}

.midi-bar-status::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--ui-label);
}

.midi-bar-status.connected {
  color: #6bd66b;
}

.midi-bar-status.connected::before {
  background: #6bd66b;
}

.midi-bar-status.error {
  color: var(--ui-accent);
}

.midi-bar-status.error::before {
  background: var(--ui-accent);
}

.midi-bar-btn {
  background: var(--panel);
  color: var(--ui-fg);
  border: 1px solid var(--panel-border);
  border-radius: 4px;
  padding: 5px 12px;
  font-size: 12px;
  cursor: pointer;
}

.midi-bar-btn:hover:not(:disabled) {
  border-color: var(--ui-accent);
  color: #fff;
}

.midi-bar-btn:disabled {
  color: var(--ui-label);
  cursor: not-allowed;
  opacity: 0.5;
}

.midi-bar-btn.busy {
  border-color: var(--ui-accent);
  color: var(--ui-accent);
}

header {
  padding: 24px 32px 8px;
}

header h1 {
  margin: 0 0 4px;
  font-size: 20px;
  font-weight: 600;
}

header .sub {
  margin: 0;
  color: var(--ui-label);
  font-size: 13px;
}

nav.module-nav {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 12px 28px 0;
}

.nav-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
}

.nav-row-label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ui-label);
  width: 52px;
  flex: 0 0 auto;
}

nav.module-nav a {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ui-label);
  text-decoration: none;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--panel-border);
  background: var(--panel);
}

nav.module-nav a:hover {
  color: var(--ui-fg);
  border-color: var(--ui-accent);
}

nav.module-nav a.active {
  color: #fff;
  background: var(--ui-accent);
  border-color: var(--ui-accent);
}

main {
  flex: 1;
  padding: 20px 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 8px;
  padding: 14px 20px;
  align-self: flex-start;
  max-width: 100%;
  display: flex;
  flex-direction: column;
}

/* Puts multiple panels on the same visual row instead of each panel
   stacking on its own line. Panels stretch to match the tallest one in
   the row (default flex behavior); each panel's controls-row then sinks
   to the bottom via margin-top: auto below, so mismatched panels still
   line up on their control baseline. */
.panel-row {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.panel > .controls-row {
  margin-top: auto;
}

/* Stacks panels in a column as one item inside a panelRow(). */
.panel-column {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.panel h2 {
  margin: 0 0 12px;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ui-label);
  font-weight: 600;
}

.controls-row {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  align-items: flex-start;
}

/* Groups controls (e.g. two combos) into a single column so they take
   one slot in the wrapping controls-row instead of spreading it out. */
.control-stack {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* Separates sub-sections sharing one panel (e.g. Noise / Ring). */
.control-divider {
  align-self: stretch;
  width: 1px;
  background: var(--panel-border);
  margin: 2px 2px;
}

/* Groups related controls under one small caption (e.g. Lower/Upper). */
.control-group {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.control-group .group-label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ui-label);
}

.control-group .controls-row {
  gap: 12px;
}

/* Text field (e.g. preset name) styled to sit alongside knobs/combos. */
.text-field {
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
}

.text-field .label {
  font-size: 11px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--ui-label);
  margin-bottom: 6px;
}

.text-field input {
  background: var(--panel);
  color: var(--ui-fg);
  border: 1px solid var(--panel-border);
  border-radius: 4px;
  padding: 8px 10px;
  font-family: "SF Mono", Consolas, monospace;
  font-size: 14px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  width: 110px;
}

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

footer {
  padding: 12px 32px;
  border-top: 1px solid var(--panel-border);
  font-size: 12px;
  color: var(--ui-label);
}

#log {
  font-family: "SF Mono", Consolas, monospace;
}