/* motreader: dark theme. Colours are tokens on :root; change them here. */

:root {
  color-scheme: dark;
  --bg: #15171a;
  --panel: #1d2024;
  --raised: #262a30;
  --border: #353a42;
  --text: #dde1e6;
  --muted: #8b939e;
  --accent: #4f9cf0;
  --accent-text: #0b1420;
  --warn: #e0b341;
  --error: #ef6b6b;
  --debug: #7f8792;
  --mono: ui-monospace, "DejaVu Sans Mono", Menlo, Consolas, monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --log-height: 11rem;
  /* control-head drawing (the same in any theme: it pictures the hardware) */
  --head-face: #2b2e33;
  --head-area: #34383e;
  --head-display: #0b0d10;
  --head-misc: #1c1f23;
  --head-knob: #18191c;
  --head-key: #ece5d2;
  --head-key-np: #5d6168;
  --head-key-text: #1e1e1e;
  --head-print: #c3c7cd;
  --head-led: #173d22;
  --head-led-xmit: #5e1515;
  --head-led-busy: #6b4c0f;
  --head-line: #121417;
  /* the About box: RSS's EGA text colours */
  --dos-blue: #0000aa;
  --dos-red: #ff5555;
  --dos-cyan: #55ffff;
  --dos-yellow: #ffff55;
  --dos-white: #ffffff;
  --dos-gray: #aaaaaa;
  --dos-black: #000000;
}

* { box-sizing: border-box; }

html, body { height: 100%; margin: 0; }

/* each part keeps its row: a hidden notice must not shift the panel into an auto row (which squeezed the log) */
body > .toolbar { grid-row: 1; }
body > .tabs { grid-row: 2; }
body > .notice { grid-row: 3; }
body > main { grid-row: 4; }
body > .log { grid-row: 5; }

body {
  display: grid;
  grid-template-rows: auto auto auto 1fr var(--log-height);
  /* toolbar, tabs, read-only notice, panel, log */
  background: var(--bg);
  color: var(--text);
  font: 14px/1.4 var(--sans);
}

button {
  font: inherit;
  color: var(--text);
  background: var(--raised);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.3rem 0.75rem;
  cursor: pointer;
}
button:hover:not(:disabled) { border-color: var(--accent); }
button:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
button:disabled { opacity: 0.45; cursor: default; }
button.primary { background: var(--accent); color: var(--accent-text); border-color: var(--accent); }

.spacer { flex: 1; }

/* Toolbar */
.toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 1rem;
  padding: 0.5rem 1rem;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
}
.toolbar .group { display: flex; gap: 0.35rem; }
.brand { font-weight: 600; letter-spacing: 0.02em; }
.doc-name { color: var(--muted); font-family: var(--mono); }

/* Tabs */
.tabs {
  display: flex;
  overflow-x: auto;
  gap: 0.15rem;
  padding: 0.4rem 1rem 0;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
}
.tabs button {
  border: 1px solid transparent;
  border-bottom: none;
  border-radius: 4px 4px 0 0;
  background: transparent;
  color: var(--muted);
  white-space: nowrap;
}
.tabs button[aria-selected="true"] {
  background: var(--bg);
  color: var(--text);
  border-color: var(--border);
  margin-bottom: -1px;
}

/* Tab panels */
main { overflow: auto; min-height: 0; }
.panel { padding: 1rem; }
.empty { color: var(--muted); }
.note { color: var(--muted); margin-top: 0; }

table.info { border-collapse: collapse; margin-bottom: 1rem; }
table.info th { text-align: left; font-weight: normal; color: var(--muted); padding: 0.2rem 1.5rem 0.2rem 0; }
table.info td { font-family: var(--mono); padding: 0.2rem 0; }

pre.hexdump { font: 13px/1.35 var(--mono); margin: 0; }

/* Log panel */
.log {
  display: flex;
  flex-direction: column;
  min-height: 0;
  background: var(--panel);
  border-top: 1px solid var(--border);
}
.log-bar { display: flex; align-items: center; gap: 1rem; padding: 0.3rem 1rem; border-bottom: 1px solid var(--border); }
.log-bar label { color: var(--muted); }
.log-bar button { padding: 0.1rem 0.6rem; }
.log-entries {
  flex: 1;
  overflow: auto;
  margin: 0;
  padding: 0.3rem 1rem;
  list-style: none;
  font: 12px/1.45 var(--mono);
}
.log-entries li { white-space: pre-wrap; }
.log-debug { color: var(--debug); }
.log-warn { color: var(--warn); }
.log-error { color: var(--error); }

/* Modal dialogs */
dialog.modal {
  min-width: min(28rem, calc(100vw - 2rem));
  max-width: min(40rem, calc(100vw - 2rem));
  background: var(--panel);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1rem 1.25rem;
}
dialog.modal.wide { max-width: min(64rem, calc(100vw - 2rem)); }
dialog.modal::backdrop { background: rgb(0 0 0 / 0.6); }
dialog.modal h2 { margin: 0 0 0.75rem; font-size: 1.1rem; }
.modal-body { max-height: 65vh; overflow: auto; }
.modal-buttons { display: flex; justify-content: flex-end; gap: 0.5rem; margin-top: 1rem; }
.modal-body a { color: var(--accent); }

@media (max-width: 40rem) {
  :root { --log-height: 8rem; }
  .toolbar { padding: 0.5rem; }
  .panel { padding: 0.75rem; }
}

/* Sections, info tables, read-only grids */
.block { margin-bottom: 1.5rem; }
.block h3 { margin: 0 0 0.5rem; font-size: 0.95rem; color: var(--muted); font-weight: 600; text-transform: uppercase; letter-spacing: 0.04em; }
table.info td.row-note { font-family: var(--sans); color: var(--muted); padding-left: 1.5rem; font-size: 0.85rem; }
.table-wrap { overflow: auto; max-height: max(14rem, calc(100vh - var(--log-height) - 11rem)); border: 1px solid var(--border); border-radius: 4px; }
table.grid { border-collapse: collapse; font-size: 13px; white-space: nowrap; }
table.grid th, table.grid td { padding: 0.25rem 0.6rem; border-bottom: 1px solid var(--border); text-align: left; }
table.grid thead th { position: sticky; top: 0; background: var(--raised); font-weight: 600; z-index: 1; }
table.grid tbody tr:hover { background: var(--panel); }
table.grid .num { text-align: right; font-family: var(--mono); }
table.grid td.name { font-family: var(--mono); }
table.grid td.members { white-space: normal; min-width: 30rem; color: var(--muted); }
.tag { margin-left: 0.5rem; padding: 0 0.4rem; border-radius: 3px; background: var(--accent); color: var(--accent-text); font-size: 0.75rem; font-family: var(--sans); }
table.grid tr.trunked td:not(.name):not(.num) { color: var(--muted); }

/* Editing: grid, forms, messages */
.doc-name.dirty { color: var(--warn); }
button.small { padding: 0 0.45rem; font-size: 12px; }
table.grid.editable { outline: none; }
table.grid.editable td { cursor: default; }
table.grid.editable td.ro { color: var(--muted); }
/* changed since the file was opened: a tinted cell with an accent bar on its left edge */
table.grid.editable td.changed {
  background: linear-gradient(to right, var(--accent) 0 3px, transparent 3px), rgb(79 156 240 / 0.30);
  color: #ffffff;
  font-weight: 600;
}
table.grid.editable td.changed.ro { color: #ffffff; }
table.grid.editable td.active { box-shadow: inset 0 0 0 2px var(--accent); }
table.grid.editable:not(:focus-within) td.active { box-shadow: inset 0 0 0 1px var(--muted); }
table.grid.editable td.editing { padding: 0; }
table.grid.editable td.editing input, table.grid.editable td.editing select {
  width: 100%; min-width: 7rem; font: inherit; font-family: var(--mono); color: var(--text);
  background: var(--bg); border: 2px solid var(--accent); border-radius: 0; padding: 0.15rem 0.4rem;
}
table.grid td.action, table.grid th.action { padding: 0.1rem 0.3rem; position: sticky; left: 0; background: var(--bg); z-index: 1; }
table.grid thead th.action { z-index: 2; background: var(--raised); }
table.grid td.members-edit { font-family: var(--mono); min-width: 9rem; }
.grid-status { min-height: 1.4em; margin: 0.4rem 0 0; color: var(--muted); }
.grid-status.error { color: var(--error); }
.grid-status.note { color: var(--warn); }

.form { display: grid; grid-template-columns: max-content minmax(8rem, max-content) 1fr; gap: 0.35rem 1rem; align-items: center; }
.form-row { display: contents; }
.form-row > label { color: var(--muted); }
.form-row.changed > label { color: var(--accent); font-weight: 600; }
.form-row.changed select, .form-row.changed input[type="text"] {
  border-color: var(--accent); background: rgb(79 156 240 / 0.22); font-weight: 600;
}
.form-row.changed > label::after { content: " •"; }
.form input[type="text"], .form select, .export input[type="text"] {
  font: inherit; font-family: var(--mono); color: var(--text); background: var(--bg);
  border: 1px solid var(--border); border-radius: 3px; padding: 0.2rem 0.4rem;
}
.form input:focus, .form select:focus, .export input:focus { outline: none; border-color: var(--accent); }
.ro-value { font-family: var(--mono); }
.field-msg { color: var(--muted); font-size: 0.85rem; }
.field-msg.error { color: var(--error); }
.warn-text { color: var(--warn); min-height: 1.2em; }
.warn-box { border: 1px solid var(--warn); border-radius: 4px; padding: 0.5rem 0.75rem; margin: 0.5rem 0; color: var(--warn); }
.export .form-row { display: flex; gap: 0.75rem; align-items: center; margin: 0.75rem 0 0.25rem; }
.export progress { width: 100%; margin-top: 0.5rem; accent-color: var(--accent); }
.radio-io progress { width: 100%; margin-top: 0.75rem; accent-color: var(--accent); }
.radio-io .check-row { display: flex; gap: 0.5rem; align-items: flex-start; margin: 0.5rem 0; }
.radio-io .check-row input { margin-top: 0.2rem; }
.radio-io .check-row input:disabled + label { color: var(--muted); }
.serial-help { margin: 0.75rem 0; }
.serial-help summary { cursor: pointer; color: var(--accent); }
.serial-help li { margin: 0.25rem 0; }
.serial-help code { font-family: var(--mono); }
.mode-editor .form { grid-template-columns: max-content minmax(10rem, max-content) minmax(8rem, 1fr); }
.struct-bar { display: flex; flex-wrap: wrap; gap: 0.4rem; margin: 0 0 0.6rem; }
.struct-form .form { grid-template-columns: max-content minmax(8rem, max-content) minmax(8rem, 1fr); }
.struct-form > .field-msg { min-height: 1.2em; margin: 0.6rem 0 0; }
.form-row > .label { color: var(--muted); }
.checks { display: flex; flex-wrap: wrap; gap: 0.2rem 0.9rem; }
.check { white-space: nowrap; }

@media (max-width: 40rem) {
  .form, .mode-editor .form, .struct-form .form { grid-template-columns: 1fr; }
  .form-row > label { margin-top: 0.4rem; }
}
.import-report ul { margin: 0.25rem 0 0.75rem; padding-left: 1.2rem; font-size: 0.9rem; }
.notice { padding: 0.5rem 1rem; background: rgb(224 179 65 / 0.14); border-bottom: 1px solid var(--warn); color: var(--warn); }
.trunked-list { font-family: var(--mono); color: var(--muted); margin-top: 0; }

/* Control head: the drawing */
.head-wrap { max-width: 72rem; margin: 0.25rem 0 0.5rem; }
.head-svg { display: block; width: 100%; height: auto; max-height: 64vh; user-select: none; }
.head-svg .hd-face { fill: var(--head-face); stroke: var(--head-line); stroke-width: 0.8; }
.head-svg .hd-area { fill: var(--head-area); stroke: var(--head-line); stroke-width: 0.5; }
.head-svg .hd-display { fill: var(--head-display); stroke: var(--head-line); stroke-width: 0.5; }
.head-svg .hd-misc { fill: var(--head-misc); stroke: var(--head-line); stroke-width: 0.5; }
.head-svg .hd-knob { fill: var(--head-knob); stroke: #3b3f45; stroke-width: 1.2; }
.head-svg .hd-led { fill: var(--head-led); stroke: var(--head-line); stroke-width: 0.4; }
.head-svg .hd-led.xmit { fill: var(--head-led-xmit); }
.head-svg .hd-led.busy { fill: var(--head-led-busy); }
.head-svg .hd-print { fill: var(--head-print); font-family: var(--sans); font-weight: 700; }
.head-svg .hd-key { fill: var(--head-key); stroke: var(--head-line); stroke-width: 0.4; }
.head-svg .hd-key.np { fill: var(--head-key-np); }
.head-svg .hd-label { fill: var(--head-key-text); font-family: var(--sans); font-weight: 700; pointer-events: none; }
.head-svg .hd-btn.live { cursor: pointer; }
.head-svg .hd-btn.live:hover .hd-key { fill: #fffaf0; stroke: var(--accent); stroke-width: 0.8; }
.head-svg .hd-btn:focus { outline: none; }
.head-svg .hd-btn:focus-visible .hd-key { stroke: var(--accent); stroke-width: 1.2; }
.head-svg .hd-btn.fixed .hd-key { fill: #b5ae9d; }
.head-svg .hd-btn.fixed .hd-label { fill: #4a4843; }
.head-svg .hd-btn.absent .hd-key { fill: var(--head-area); stroke-dasharray: 1.2 0.8; stroke: var(--muted); }
.head-svg .hd-btn.changed .hd-key { fill: #cfe3fb; stroke: var(--accent); stroke-width: 1; }
.head-svg .hd-btn.hack .hd-key { fill: #f6e2a6; stroke: var(--warn); stroke-width: 1; stroke-dasharray: 1.5 0.8; }

/* Control head: the list and the function menu */
table.buttons-list tr.changed th { color: var(--accent); font-weight: 600; }
table.buttons-list td.muted { font-family: var(--sans); color: var(--muted); padding-left: 1rem; }
.fn-chip { font-family: var(--mono); padding: 0 0.5rem; min-width: 6rem; text-align: left; }
.fn-chip.changed { border-color: var(--accent); background: rgb(79 156 240 / 0.22); font-weight: 600; }
.fn-chip.hack { border-color: var(--warn); border-style: dashed; color: var(--warn); }
.btn-menu {
  position: fixed; z-index: 20; min-width: 16rem; max-width: 26rem; max-height: 60vh; overflow-y: auto;
  background: var(--panel); border: 1px solid var(--border); border-radius: 5px; padding: 0.3rem;
  box-shadow: 0 6px 24px rgb(0 0 0 / 0.5);
}
.btn-menu-title { padding: 0.2rem 0.4rem 0.35rem; font-weight: 600; border-bottom: 1px solid var(--border); margin-bottom: 0.2rem; }
.btn-menu-group { padding: 0.35rem 0.4rem 0.1rem; color: var(--muted); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.04em; }
.btn-menu-group.other { color: var(--warn); border-top: 1px dashed var(--warn); margin-top: 0.3rem; }
.btn-menu-note { padding: 0 0.4rem 0.25rem; color: var(--muted); font-size: 0.8rem; }
.btn-menu-item {
  display: flex; gap: 0.75rem; width: 100%; text-align: left; border: 0; background: none; border-radius: 3px; padding: 0.15rem 0.4rem;
}
.btn-menu-item .fn { font-family: var(--mono); min-width: 5.5rem; }
.btn-menu-item .full { color: var(--muted); font-size: 0.85rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.btn-menu-item:hover, .btn-menu-item:focus { background: var(--raised); outline: none; }
.btn-menu-item.current .fn { color: var(--accent); font-weight: 600; }
.btn-menu-item.other .fn { color: var(--warn); }
.btn-menu-entry { display: flex; gap: 0.5rem; align-items: center; padding: 0.15rem 0.4rem; }
.btn-menu-entry .fn { font-family: var(--mono); min-width: 5.5rem; }
.btn-menu-num { width: 4.5rem; font: inherit; color: var(--text); background: var(--bg); border: 1px solid var(--accent); border-radius: 3px; padding: 0.1rem 0.3rem; }

/* About box: a Spectra RSS screen */
dialog.dos {
  padding: 0; border: 0; background: var(--dos-blue);
  box-shadow: 0 0 0 0.5rem #000, 0 1rem 3rem rgb(0 0 0 / 0.8);
  max-width: none; max-height: none;
}
dialog.dos::backdrop { background: rgb(0 0 0 / 0.75); }
.dos-screen {
  margin: 0; padding: 0.4em 0.5em; background: var(--dos-blue); outline: none;
  /* 96 columns that fit the window */
  font: 700 min(15px, calc((100vw - 3rem) / 58))/1 "DejaVu Sans Mono", "Cascadia Mono", Consolas, ui-monospace, monospace;
  letter-spacing: 0; white-space: pre; user-select: text;
}
/* each row a solid block one character tall, so frame lines and the bar join up */
.dos-row { display: block; height: 1.2em; line-height: 1.2em; }
.dos-row > * { display: inline-block; height: 100%; vertical-align: top; }
.dos-frame { color: var(--dos-red); }
.dos-head { color: var(--dos-cyan); }
.dos-path { color: var(--dos-white); }
.dos-text { color: var(--dos-yellow); font-weight: 400; }
.dos-title { color: var(--dos-white); }
.dos-banner { color: var(--dos-cyan); transform: scaleY(1.25); transform-origin: 50% 40%; }
.dos-link { color: var(--dos-white); text-decoration: underline; }
.dos-link:hover, .dos-link:focus { background: var(--dos-cyan); color: var(--dos-blue); }
.dos-fkey { background: var(--dos-gray); color: var(--dos-black); cursor: default; }
.dos-fkey[data-key="F7"], .dos-fkey[data-key="F8"], .dos-fkey[data-key="F10"] { cursor: pointer; }

/* Tech tab */
.tech { max-width: 72rem; }
.tech .mono, .tech-regions .mono { font-family: var(--mono); }
.tech-buttons { display: flex; flex-wrap: wrap; gap: 0.35rem; }
.tech-row { display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem; margin-bottom: 0.5rem; }
.tech-row > label { color: var(--muted); }
.tech-row > label[title] { cursor: help; text-decoration: underline dotted; }
.tech input[aria-invalid] { border-color: var(--error); outline-color: var(--error); }
.tech-write-msg { min-height: 1.2em; margin: -0.25rem 0 0.5rem; font-family: var(--mono); }
.tech-status { margin: 0 0 0.5rem; }
.tech-progress { position: sticky; top: 0; z-index: 1; background: var(--bg); padding: 0.25rem 0 0.5rem; }
.tech-progress progress { width: 100%; accent-color: var(--accent); }
.tech-stage-row { display: flex; align-items: center; gap: 0.75rem; }
.tech-stage { margin: 0.25rem 0 0; flex: 1; }
.tech-stage:empty { display: none; }
.tech-out { max-height: 24rem; overflow: auto; }
.tech-regions { border-collapse: collapse; margin-bottom: 0.5rem; }
.tech-regions th { text-align: left; color: var(--muted); font-weight: normal; padding: 0.25rem 1rem 0.25rem 0; }
.tech-regions td { vertical-align: top; padding: 0.35rem 1rem 0.35rem 0; border-top: 1px solid var(--border); }
.tech-regions .note { margin: 0; font-size: 0.85em; }
.tech-align { border: 1px solid var(--border); border-radius: 4px; padding: 0.75rem; margin: 0; }
button.danger { color: var(--error); border-color: var(--error); font-weight: 600; }
.tech-align [hidden] { display: none; }
.tech-ptt { color: var(--muted); }
.tech-ptt.on { color: var(--error); font-weight: 700; }
.tech-slider { display: grid; grid-template-columns: 14rem 1fr auto auto auto; align-items: center; gap: 0.5rem; margin-bottom: 0.5rem; }
.tech-slider > label { color: var(--muted); }
@media (max-width: 40rem) {
  .tech-slider { grid-template-columns: 1fr auto auto auto; }
  .tech-slider > label { grid-column: 1 / -1; }
}