ranger
f5feca7dfa
Two-layer "this is playing right now" visual:
(1) CSS dancing bars — four tiny vertical bars next to the "Now Playing"
label, staggered `@keyframes` pulse while audio plays. Pure CSS, no
JS dependency, tints to the user's WP admin colour scheme via
var(--wp-admin-theme-color). Driven by a single `.is-playing` class
on `.radio-player` toggled from the existing play/pause/error
handlers. Always works.
(2) Web Audio frequency visualizer (progressive upgrade) — on first play,
builds AudioContext + AnalyserNode + canvas drawing pipeline. When
the analyser starts returning real (non-zero) data, hides the bars
and shows the canvas with live frequency bars. Falls back to bars
if AudioContext is unavailable, createMediaElementSource throws, or
the analyser returns all-zeros for >2s (CORS silently blocking).
State machine on player._vizState: no-webaudio / init-failed /
cors-blocked / ok.
`<audio>` element gained `crossorigin="anonymous"` so Web Audio can read
the stream data (SomaFM serves the CORS headers).
Files: radio.php (version), inc/admin-page.php + inc/dashboard-widget.php
(.radio-player__indicator with .radio-player__bars + canvas; crossorigin
on audio), assets/css/radio.css (indicator, bars, radio-bars-dance
keyframes, canvas size), assets/js/radio.js (tryVisualizer,
startVizLoop, stopVizLoop; play/pause/error handlers wire the loop and
toggle is-playing), inc/about.php (history entry).
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
456 lines
13 KiB
CSS
456 lines
13 KiB
CSS
/* Radio — admin styles, WordPress-native */
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/* ──────────────────────────────────────────────────────────────────
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* Player layout (works inside .postbox .inside on main page,
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* and bare on the dashboard widget where .inside is the parent)
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* ─────────────────────────────────────────────────────────────── */
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.radio-player {
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display: flex;
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flex-direction: column;
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gap: 14px;
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}
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/* Now Playing — left-aligned, body text size, no custom typography */
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.radio-player__now {
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display: flex;
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align-items: baseline;
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flex-wrap: wrap;
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gap: 8px;
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padding-bottom: 10px;
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border-bottom: 1px solid #dcdcde;
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}
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.radio-player__label {
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font-size: 11px;
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text-transform: uppercase;
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letter-spacing: 0.06em;
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color: #646970;
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font-weight: 600;
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margin-right: 4px;
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}
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/* ──────────────────────────────────────────────────────────────────
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* Now-playing indicator — CSS dancing bars (always present) +
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* optional Web Audio frequency visualizer (canvas, progressive
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* upgrade). The JS toggles a `.is-playing` class on the parent
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* `.radio-player` to drive the dance; when the visualizer is
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* successfully wired, it hides the bars and reveals the canvas.
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* ─────────────────────────────────────────────────────────────── */
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.radio-player__indicator {
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display: inline-flex;
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align-items: flex-end;
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height: 14px;
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min-width: 18px;
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margin-right: 6px;
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vertical-align: middle;
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overflow: hidden;
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}
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.radio-player__bars {
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display: inline-flex;
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align-items: flex-end;
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height: 100%;
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width: 18px;
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gap: 2px;
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}
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.radio-player__bars span {
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display: inline-block;
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width: 2px;
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height: 100%;
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background: var(--wp-admin-theme-color, #2271b1);
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border-radius: 1px;
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transform-origin: bottom;
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transform: scaleY(0.25);
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transition: transform 0.2s ease;
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opacity: 0.65;
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}
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/* When playing, each bar dances with a staggered delay so the row
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has a lifelike, slightly out-of-phase pulse rather than uniform
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thumping. ~0.85s loop keeps it lively without being twitchy. */
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.radio-player.is-playing .radio-player__bars span {
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animation: radio-bars-dance 0.85s ease-in-out infinite;
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opacity: 1;
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}
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.radio-player.is-playing .radio-player__bars span:nth-child(1) { animation-delay: 0s; }
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.radio-player.is-playing .radio-player__bars span:nth-child(2) { animation-delay: 0.18s; }
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.radio-player.is-playing .radio-player__bars span:nth-child(3) { animation-delay: 0.36s; }
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.radio-player.is-playing .radio-player__bars span:nth-child(4) { animation-delay: 0.09s; }
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@keyframes radio-bars-dance {
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0%, 100% { transform: scaleY(0.3); }
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20% { transform: scaleY(0.9); }
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40% { transform: scaleY(0.5); }
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60% { transform: scaleY(1); }
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80% { transform: scaleY(0.65); }
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}
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/* Web Audio canvas — wider than the CSS bars so the live frequency
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data has room to breathe. JS swaps display when the visualizer
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confirms it's receiving real (non-zero) data. */
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.radio-player__viz {
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display: block;
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height: 14px;
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width: 60px;
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}
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.radio-player__station-name {
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font-size: 14px;
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font-weight: 600;
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color: #1d2327;
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}
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.radio-player__station-desc {
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font-size: 13px;
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color: #50575e;
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flex: 1 1 100%;
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margin: 0;
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}
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.radio-player__station-genre {
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font-size: 10px;
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color: #50575e;
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text-transform: uppercase;
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letter-spacing: 0.04em;
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font-weight: 600;
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margin-left: 4px;
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padding: 1px 7px;
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background: rgba(0, 0, 0, 0.06);
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border-radius: 10px;
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}
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/* Current track (poll SomaFM songs endpoint when playing). Hidden when
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we have no track info — the slot still exists in the DOM so JS can
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show/hide without layout shift on first load. */
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.radio-player__track {
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flex: 1 1 100%;
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margin: 4px 0 0;
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font-size: 12px;
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color: #50575e;
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font-style: italic;
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}
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.radio-player__track::before {
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content: '♪ ';
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opacity: 0.6;
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margin-right: 2px;
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}
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/* Controls — single row, native button + slider */
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.radio-player__controls {
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display: flex;
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align-items: center;
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gap: 12px;
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flex-wrap: wrap;
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}
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.radio-player__play {
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/* native .button .button-primary styling; just ensure glyph aligns */
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display: inline-flex !important;
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align-items: baseline;
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gap: 6px;
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}
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/* Unicode play/pause glyph (not a dashicon — those sit low inside their
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own font box and look like they're below the text baseline). A plain
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▶ / ‖ glyph renders on the text baseline like any other character. */
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.radio-player__play-glyph {
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display: inline-block;
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font-size: 11px;
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line-height: 1;
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/* Coerce to text rendering rather than colour-emoji on systems that
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might otherwise pick up an emoji variant for ▶ / ‖. */
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font-variant-emoji: text;
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font-family: "Helvetica Neue", Arial, sans-serif;
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}
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.radio-player__volume {
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display: flex;
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align-items: center;
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gap: 8px;
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flex: 0 0 auto;
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width: 220px;
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}
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.radio-player__volume .dashicons {
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color: #646970;
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font-size: 16px;
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width: 16px;
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height: 16px;
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}
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/* Mute toggle — the speaker icon is a button. No chrome, just the icon,
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like a YouTube/Spotify mute affordance. Red when muted to make the
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state obvious. */
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.radio-player__mute {
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background: none;
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border: 0;
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padding: 2px;
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margin: 0;
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cursor: pointer;
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color: #646970;
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display: inline-flex;
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align-items: center;
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line-height: 1;
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border-radius: 2px;
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}
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.radio-player__mute:hover { color: #1d2327; }
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.radio-player__mute:focus { outline: 2px solid var(--wp-admin-theme-color, #2271b1); outline-offset: 1px; }
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.radio-player__mute--muted { color: #b32d2e; }
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.radio-player__mute--muted:hover { color: #8a2424; }
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.radio-player__volume input[type="range"] {
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flex: 1;
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margin: 0;
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/* Use WP's admin theme colour for the slider thumb/track */
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accent-color: var(--wp-admin-theme-color, #2271b1);
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}
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.radio-player__volume-pct {
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min-width: 36px;
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font-size: 12px;
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color: #646970;
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text-align: right;
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font-variant-numeric: tabular-nums;
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}
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/* Station selector — label-on-top, full-width select */
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.radio-player__station-select {
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display: flex;
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flex-direction: column;
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gap: 4px;
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}
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.radio-player__station-select label {
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font-size: 11px;
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text-transform: uppercase;
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letter-spacing: 0.06em;
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color: #646970;
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font-weight: 600;
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}
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.radio-player__station-select select {
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width: 100%;
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max-width: 360px;
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}
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/* Error notice — uses WP notice styling */
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.radio-player__error {
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color: #b32d2e;
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font-size: 13px;
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padding: 6px 10px;
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background: #fcf0f1;
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border-left: 4px solid #b32d2e;
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border-radius: 0;
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margin: 0;
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}
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/* Credit footer */
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.radio-player__credit {
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margin: 0;
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color: #646970;
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font-size: 12px;
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}
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.radio-player__credit--main {
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margin-top: 12px;
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}
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.radio-player__credit a {
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color: var(--wp-admin-theme-color, #2271b1);
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text-decoration: none;
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}
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.radio-player__credit a:hover {
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text-decoration: underline;
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}
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/* ──────────────────────────────────────────────────────────────────
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* Main admin page — wrap player in a postbox-like card.
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* Constrained max-width keeps the player a focused settings-page card
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* instead of stretching to fill the full admin width.
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* ─────────────────────────────────────────────────────────────── */
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.radio-wrap {
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max-width: 880px;
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}
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.radio-wrap .radio-player {
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margin-top: 4px;
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}
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.radio-intro {
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margin: 0 0 16px;
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color: #50575e;
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font-size: 13px;
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}
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/* ──────────────────────────────────────────────────────────────────
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* Dashboard widget — no nested card; bare content inside .inside
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* (WP renders the widget as a postbox already; don't double up)
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* ─────────────────────────────────────────────────────────────── */
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#radio_dashboard_widget .radio-player {
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gap: 10px;
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}
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#radio_dashboard_widget .radio-player__now {
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padding-bottom: 8px;
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}
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#radio_dashboard_widget .radio-player__station-name {
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font-size: 14px;
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}
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#radio_dashboard_widget .radio-player__credit {
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border-top: 1px solid #dcdcde;
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padding-top: 8px;
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margin-top: 4px;
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text-align: center;
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}
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/* ──────────────────────────────────────────────────────────────────
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* About page — postbox-style cards in a metabox column layout
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* ─────────────────────────────────────────────────────────────── */
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.radio-about-grid {
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display: grid;
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grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
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gap: 16px;
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max-width: 1100px;
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margin-top: 16px;
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}
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.radio-about-card {
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background: #fff;
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border: 1px solid #c3c4c7;
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box-shadow: 0 1px 1px rgba(0, 0, 0, 0.04);
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}
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.radio-about-card h2 {
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margin: 0;
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padding: 8px 12px;
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font-size: 14px;
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font-weight: 600;
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background: #f6f7f7;
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border-bottom: 1px solid #c3c4c7;
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}
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.radio-about-card > p,
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.radio-about-card > ul,
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.radio-about-card > a {
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padding: 12px;
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margin: 0;
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}
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.radio-about-card > p + p {
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padding-top: 0;
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}
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.radio-about-card--versions ul {
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list-style: none;
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padding: 12px;
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margin: 0;
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}
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.radio-about-card--versions li {
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margin-bottom: 10px;
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font-size: 13px;
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}
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.radio-about-card--versions li:last-child {
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margin-bottom: 0;
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}
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.radio-about-card--versions .ver {
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font-weight: 600;
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color: var(--wp-admin-theme-color, #2271b1);
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}
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.radio-about-card--versions .latest {
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display: inline-block;
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margin-left: 6px;
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padding: 1px 7px;
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background: #00a32a;
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color: #fff;
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border-radius: 9px;
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font-size: 11px;
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font-weight: 600;
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vertical-align: middle;
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}
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.radio-about-changelog-link {
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display: inline-block;
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margin: 0 12px 12px;
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font-size: 13px;
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color: var(--wp-admin-theme-color, #2271b1);
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text-decoration: none;
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}
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.radio-about-changelog-link:hover {
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text-decoration: underline;
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}
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/* ──────────────────────────────────────────────────────────────────
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* Dark theme — body.radio-theme-dark forces dark; body.radio-theme-auto
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* follows the OS via `prefers-color-scheme`. body.radio-theme-light is a
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* no-op (the existing rules above are light).
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*
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* Scope is the player + the about-cards. The WP postbox chrome stays
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* under WordPress's own admin colour scheme — we only retint surfaces
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* we own.
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* ─────────────────────────────────────────────────────────────── */
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.radio-theme-dark .radio-player__now {
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border-bottom-color: #3c434a;
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}
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.radio-theme-dark .radio-player__station-name { color: #f0f0f1; }
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.radio-theme-dark .radio-player__label,
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.radio-theme-dark .radio-player__station-genre,
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.radio-theme-dark .radio-player__volume-pct,
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.radio-theme-dark .radio-player__credit,
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.radio-theme-dark .radio-player__mute,
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.radio-theme-dark .radio-player__station-select label,
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.radio-theme-dark .radio-player__volume .dashicons {
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color: #a7aaad;
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}
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.radio-theme-dark .radio-player__mute:hover { color: #f0f0f1; }
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.radio-theme-dark .radio-player__mute--muted { color: #ff8b8b; }
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.radio-theme-dark .radio-player__station-desc,
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.radio-theme-dark .radio-player__track,
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.radio-theme-dark .radio-intro {
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color: #c3c4c7;
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}
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.radio-theme-dark .radio-player__station-genre {
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background: rgba(255, 255, 255, 0.08);
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}
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.radio-theme-dark .radio-player__error {
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background: rgba(179, 45, 46, 0.18);
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color: #ff9b9b;
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}
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.radio-theme-dark .radio-about-card {
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background: #1d2327;
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border-color: #3c434a;
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color: #c3c4c7;
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}
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.radio-theme-dark .radio-about-card h2 {
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background: #2c3338;
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color: #f0f0f1;
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border-bottom-color: #3c434a;
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}
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.radio-theme-dark #radio_dashboard_widget .radio-player__credit {
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border-top-color: #3c434a;
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}
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/* Give the player its own dark surface when theme=dark so the dark text
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has something to read against — WP postboxes don't follow our dark
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choice, so without this the light text would sit on white. */
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.radio-theme-dark .radio-player {
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background: #1d2327;
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padding: 14px 16px;
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border-radius: 3px;
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border: 1px solid #3c434a;
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}
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