/* MIDI Relay — Speakers Corner
   Neo-brutalist design: hard edges, offset shadows, day/night */

@import url('https://fonts.googleapis.com/css2?family=Space+Mono:wght@400;700&display=swap');

:root {
  /* Day mode (default) */
  --bg: #ffffff;
  --fg: #000000;
  --accent: #ff5722;
  --accent-hover: #e64a19;
  --border: #000000;
  --shadow: #000000;
  --surface: #ffffff;
  --muted: #f5f5f5;

  /* Borders and shadows */
  --border-width: 2px;
  --shadow-offset: 4px;
  --radius: 0px;

  /* Status colours — dark variants for day mode contrast (4.5:1+ on white) */
  --status-ok: #146c43;
  --status-warn: #7c5800;
  --status-error: #b91c1c;
  --accent-text: #c2410c;
  --text-muted: #595959;
  --text-faint: #767676;

  color-scheme: light dark;
}

[data-theme='night'] {
  --bg: #000000;
  --fg: #ffffff;
  --accent: #ff5722;
  --accent-hover: #ff7043;
  --border: #ffffff;
  --shadow: #ffffff;
  --surface: #000000;
  --muted: #111111;
  --status-ok: #06d6a0;
  --status-warn: #ffd166;
  --status-error: #ef476f;
  --accent-text: #ff5722;
  --text-muted: #a0a0a0;
  --text-faint: #888888;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme='day']) {
    --bg: #000000;
    --fg: #ffffff;
    --accent: #ff5722;
    --accent-hover: #ff7043;
    --border: #ffffff;
    --shadow: #ffffff;
    --surface: #000000;
    --muted: #111111;
    --status-ok: #06d6a0;
    --status-warn: #ffd166;
    --status-error: #ef476f;
    --accent-text: #ff5722;
    --text-muted: #a0a0a0;
    --text-faint: #888888;
  }
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
}

body {
  font-family: 'Space Mono', 'JetBrains Mono', 'IBM Plex Mono', monospace;
  font-size: 16px;
  line-height: 1.5;
  color: var(--fg);
  background: var(--bg);
  min-height: 100vh;
  padding: 2rem 1rem;
}

/* ── Header ──────────────────────────────────────────────────── */

header {
  text-align: center;
  margin-bottom: 2rem;
}

header h1 {
  font-size: 2rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--fg);
}

.subtitle {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 0.5rem;
}

.header-row {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
}

/* ── Layout ──────────────────────────────────────────────────── */

main {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

/* ── Panels (cards) ──────────────────────────────────────────── */

.panel {
  padding: 1.5em;
  background: var(--surface);
  border: var(--border-width) solid var(--border);
  box-shadow: var(--shadow-offset) var(--shadow-offset) 0 var(--shadow);
}

.panel h2 {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--fg);
  margin-bottom: 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* ── Form elements ───────────────────────────────────────────── */

.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  font-weight: 700;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 0.5rem;
}

.form-row {
  display: flex;
  gap: 1rem;
}

.form-row .form-group {
  flex: 1;
}

input[type='text'],
select {
  width: 100%;
  padding: 0.6em 0.8em;
  font-family: inherit;
  font-size: 1rem;
  color: var(--fg);
  background: var(--bg);
  border: var(--border-width) solid var(--border);
  outline: none;
}

input[type='text']:focus,
select:focus {
  box-shadow: var(--shadow-offset) var(--shadow-offset) 0 var(--shadow);
}

select {
  cursor: pointer;
}

/* ── Buttons ─────────────────────────────────────────────────── */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  padding: 0.6em 1.2em;
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--bg);
  background: var(--fg);
  border: var(--border-width) solid var(--border);
  box-shadow: var(--shadow-offset) var(--shadow-offset) 0 var(--shadow);
  cursor: pointer;
  transition:
    transform 0.1s,
    box-shadow 0.1s;
  user-select: none;
}

.btn:hover:not(:disabled) {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0 var(--shadow);
}

.btn:active:not(:disabled) {
  transform: translate(var(--shadow-offset), var(--shadow-offset));
  box-shadow: none;
}

.btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.btn:focus-visible {
  outline: 3px solid var(--accent-text);
  outline-offset: 2px;
}

input[type='text']:focus-visible,
select:focus-visible {
  outline: 3px solid var(--accent-text);
  outline-offset: 1px;
}

/* Outlined variant */
.btn-outline {
  color: var(--fg);
  background: var(--bg);
}

/* Accent variant */
.btn-accent {
  color: #ffffff;
  background: #bf360c;
  border-color: var(--border);
}

.btn-accent:hover:not(:disabled) {
  background: #a62e0a;
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0 var(--shadow);
}

/* Small variant */
.btn-sm {
  padding: 0.3em 0.8em;
  font-size: 0.75rem;
  box-shadow: 2px 2px 0 var(--shadow);
}

.btn-sm:hover:not(:disabled) {
  transform: translate(1px, 1px);
  box-shadow: 1px 1px 0 var(--shadow);
}

.btn-sm:active:not(:disabled) {
  transform: translate(2px, 2px);
  box-shadow: none;
}

.button-row {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

/* ── Status display ──────────────────────────────────────────── */

.status-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.status-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.status-label {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
}

.status-value {
  font-size: 1.1rem;
  font-weight: 700;
}

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

.status-value.connecting {
  color: var(--status-warn);
}

.status-value.disconnected {
  color: var(--status-error);
}

.status-text {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.5rem;
}

/* Status badges */
.status {
  display: inline-block;
  padding: 0.2em 0.6em;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  border: var(--border-width) solid var(--border);
}

.status-ok {
  background: var(--fg);
  color: var(--bg);
}

.status-warn {
  background: var(--accent);
  color: #ffffff;
}

.status-error {
  background: var(--fg);
  color: var(--accent);
}

/* ── Activity log ────────────────────────────────────────────── */

#activity-log {
  max-height: 300px;
  overflow-y: auto;
  padding: 1em;
  font-size: 0.8rem;
  line-height: 1.8;
  border: var(--border-width) solid var(--border);
  background: var(--muted);
}

#activity-log:empty::after {
  content: 'No activity yet.';
  color: var(--text-faint);
}

.log-entry {
  padding: 0.25em 0;
  border-bottom: 1px solid var(--border);
}

.log-entry:last-child {
  border-bottom: none;
}

.log-time {
  color: var(--text-faint);
  margin-right: 0.5rem;
}

.log-midi {
  color: var(--accent-text);
}

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

.log-warn {
  color: var(--status-warn);
}

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

/* ── Footer ──────────────────────────────────────────────────── */

footer {
  text-align: center;
  margin-top: 3rem;
  font-size: 0.75rem;
  color: var(--text-faint);
}

/* ── Mobile ──────────────────────────────────────────────────── */

@media (max-width: 600px) {
  body {
    padding: 1rem 0.5rem;
  }

  .form-row {
    flex-direction: column;
    gap: 0;
  }

  .btn,
  input[type='text'],
  select {
    width: 100%;
  }

  .button-row {
    flex-direction: column;
  }

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

  header h1 {
    font-size: 1.5rem;
  }
}