/* AudioNet web client. State is always given in words; color and layout
   are only reinforcement. Focus is always visible. */

:root {
  --bg: #ffffff;
  --fg: #1a1a1a;
  --muted: #4a4a4a;
  --accent: #0b57d0;
  --border: #767676;
  --panel: #f3f5f8;
  --danger: #a50e0e;
  --ok: #146c2e;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121212;
    --fg: #f0f0f0;
    --muted: #c4c4c4;
    --accent: #8ab4f8;
    --border: #9a9a9a;
    --panel: #1e1f22;
    --danger: #f28b82;
    --ok: #81c995;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0 auto;
  max-width: 60rem;
  padding: 0 1rem 2rem;
  background: var(--bg);
  color: var(--fg);
  font: 1.0625rem/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

a { color: var(--accent); }

.skip-link {
  position: absolute;
  left: -999px;
}
.skip-link:focus {
  left: 1rem;
  top: 1rem;
  background: var(--bg);
  padding: 0.5rem;
  z-index: 10;
}

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

h1 { margin-bottom: 0.25rem; }
h2 { margin-top: 2rem; }

label { display: block; font-weight: 600; margin-bottom: 0.25rem; }

/* Rules for a field, under it (read with it through aria-describedby). */
.hint { display: block; color: var(--muted); margin-top: 0.25rem; }

input[aria-invalid="true"] { border: 2px solid var(--danger); }

input, select, button {
  font: inherit;
  color: inherit;
  min-height: 2.75rem;
}

input, select {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.4rem 0.6rem;
  max-width: 100%;
}

button {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.4rem 1rem;
  cursor: pointer;
}
button:hover { border-color: var(--accent); }
button:disabled { opacity: 0.6; cursor: not-allowed; }

.status:empty, .alert:empty { display: none; }
.status {
  border-left: 4px solid var(--accent);
  background: var(--panel);
  padding: 0.5rem 0.75rem;
  margin: 1rem 0;
}
.alert {
  border-left: 4px solid var(--danger);
  background: var(--panel);
  padding: 0.5rem 0.75rem;
  margin: 1rem 0;
  font-weight: 600;
}

/* A notice about the account (no email address), above the devices. */
.banner {
  border: 2px solid var(--accent);
  border-radius: 6px;
  background: var(--panel);
  padding: 0 1rem;
  margin: 1rem 0;
}
.banner h2 { margin-top: 0.75rem; font-size: 1.25rem; }
.buttons { display: flex; flex-wrap: wrap; gap: 0.75rem; }

.device {
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0 1rem;
  margin: 0.5rem 0;
}
.device summary {
  cursor: pointer;
  padding: 0.75rem 0;
  font-size: 1.1rem;
}
.device summary .name { font-weight: 700; }
.device-body { padding-bottom: 0.5rem; }
.device form { margin: 0.75rem 0; }
.device .row { display: flex; flex-wrap: wrap; gap: 0.5rem; align-items: end; }

.state-online { color: var(--ok); font-weight: 600; }
.state-offline { color: var(--muted); font-weight: 600; }

#streams li {
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.5rem 0.75rem;
  margin: 0.5rem 0;
  list-style: none;
}
#streams { padding: 0; }

pre {
  background: var(--panel);
  border: 1px solid var(--border);
  padding: 0.75rem;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.code {
  font-family: ui-monospace, "Cascadia Mono", Consolas, monospace;
  font-size: 1.25rem;
  letter-spacing: 0.1em;
}

footer { margin-top: 3rem; color: var(--muted); font-size: 0.9375rem; }

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}

/* The status log dialog. */
dialog#status-log {
  width: min(48rem, calc(100vw - 2rem));
  max-height: calc(100vh - 2rem);
  background: var(--bg);
  color: var(--fg);
  border: 1px solid var(--border);
  padding: 1rem 1.25rem;
}
dialog#status-log::backdrop { background: rgb(0 0 0 / 0.5); }
dialog#status-log pre { max-height: 40vh; overflow-y: auto; }
.dialog-buttons { display: flex; gap: 0.75rem; justify-content: space-between; }

/* Per-stream volume and mute. */
.stream-volume { display: flex; flex-wrap: wrap; align-items: center; gap: 0.75rem 1.25rem; }
.stream-volume input[type="checkbox"] { width: 1.25rem; height: 1.25rem; }
.stream-volume input[type="range"] { min-height: 44px; width: min(16rem, 60vw); vertical-align: middle; }