/* ChristianBox: our layer around BeepBox, on the Christian Systems tokens (../brand/tokens.css, cs-app.css).
   Only touches our own elements plus the editor container sizing; BeepBox's look comes from its theme (theme.js).
   Text and background pairs are at least 4.5:1 in light and dark. */
:root {
	--cb-ok: #1d6b32; --cb-bad: #a3001b; --cb-warn: var(--cs-gold-deep);
	--cb-scrim: rgb(20 7 8 / .5); --cb-bar: 52px; --cb-side: 380px;
}
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) { --cb-ok: #7be09a; --cb-bad: #ff8a7c; --cb-warn: var(--cs-gold); --cb-scrim: rgb(8 2 3 / .7); } }
:root[data-theme="dark"] { --cb-ok: #7be09a; --cb-bad: #ff8a7c; --cb-warn: var(--cs-gold); --cb-scrim: rgb(8 2 3 / .7); }

html, body { margin: 0; height: 100%; overflow: hidden; font-size: 15px; }
body.cs { background: var(--cs-bg); }
body, button, input, select, textarea { font-family: var(--cs-text); }

#cbApp { display: grid; grid-template-rows: var(--cb-bar) minmax(0, 1fr); height: 100vh; height: 100dvh; width: 100vw; }

/* the toolbar: frosted, with a solid floor so text never sits on a bare gradient */
#cbBar { display: flex; align-items: center; gap: 6px; padding: 0 max(14px, env(safe-area-inset-right)) 0 max(14px, env(safe-area-inset-left)); position: relative; z-index: 5;
	background: color-mix(in srgb, var(--cs-surface) 86%, transparent); border-bottom: 1px solid var(--cs-line);
	-webkit-backdrop-filter: blur(15px) saturate(1.6); backdrop-filter: blur(15px) saturate(1.6); overflow-x: auto; scrollbar-width: none; }
#cbBar::-webkit-scrollbar { display: none; }
.cb-brand { display: flex; align-items: center; font-family: var(--cs-display); text-transform: uppercase; font-size: 17px; letter-spacing: .02em; -webkit-font-smoothing: none;
	margin-right: 12px; color: var(--cs-fg); white-space: nowrap; }
.cb-brand img { margin-right: 10px; border-radius: 22%; image-rendering: pixelated; }
.cb-brand b { color: var(--cs-accent); font-weight: 400; margin-left: .1em; }
.cb-spacer { flex: 1; }

.cb-btn, .ac-btn { appearance: none; border: 0; border-radius: var(--cs-radius-s); color: var(--cs-fg); cursor: pointer; white-space: nowrap;
	background: var(--cs-surface); box-shadow: 0 0 0 1px var(--cs-line); padding: 5px 13px; min-height: 32px; font: inherit; font-weight: 600; font-size: 13.5px;
	transition: background var(--cs-fast) var(--cs-ease), box-shadow var(--cs-fast) var(--cs-ease), transform var(--cs-fast) var(--cs-ease); }
.cb-btn:hover, .ac-btn:hover:not(:disabled) { background: var(--cs-surface-2); box-shadow: 0 0 0 1px var(--cs-accent); }
.cb-btn:active, .ac-btn:active:not(:disabled) { transform: translateY(1px) scale(.98); }
.cb-btn[aria-pressed="true"] { color: var(--cs-accent); box-shadow: inset 0 0 0 2px var(--cs-accent); }
.cb-btn:disabled, .ac-btn:disabled { color: var(--cs-fg-2); opacity: .7; cursor: not-allowed; }
.cb-btn.cb-accent, .ac-primary { background: var(--cs-accent); color: var(--cs-accent-fg); box-shadow: none; }
.cb-btn.cb-accent:hover, .ac-primary:hover:not(:disabled) { background: var(--cs-red-deep); color: #fff; box-shadow: 0 0 0 1px var(--cs-red-deep); }
.cb-btn.cb-accent:disabled, .ac-primary:disabled { background: var(--cs-surface-2); color: var(--cs-fg-2); }

.cb-menu { position: relative; display: inline-block; }
.cb-drop { position: fixed; min-width: 250px; max-width: 420px; background: var(--cs-surface); color: var(--cs-fg); border-radius: var(--cs-radius);
	box-shadow: 0 0 0 1px var(--cs-line), var(--cs-shadow); padding: 5px; z-index: 20; visibility: hidden; opacity: 0; transform: translateY(-4px) scale(.98); transform-origin: top left;
	transition: opacity var(--cs-fast) var(--cs-ease), transform var(--cs-fast) var(--cs-ease), visibility 0s linear var(--cs-fast); }
.cb-drop.open { visibility: visible; opacity: 1; transform: none; transition-delay: 0s; }
.cb-drop button { display: block; width: 100%; text-align: left; background: transparent; border: 0; color: var(--cs-fg); padding: 8px 10px; border-radius: 6px; font: inherit; font-size: 13.5px; cursor: pointer;
	overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.cb-drop button:hover, .cb-drop button:focus-visible { background: var(--cs-accent); color: var(--cs-accent-fg); }
.cb-drop .cb-sep { height: 1px; background: var(--cs-line); margin: 4px 2px; }
.cb-drop .cb-empty { color: var(--cs-fg-2); padding: 8px 10px; font-size: 13.5px; }
.cb-status { font-size: 12.5px; color: var(--cs-fg-2); max-width: 32vw; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.cb-status.dirty::after { content: " \2022"; color: var(--cs-accent); }

#cbMain { display: flex; min-height: 0; min-width: 0; position: relative; }
#beepboxEditorContainer { flex: 1 1 auto; min-width: 0; max-width: none !important; width: auto !important; height: 100% !important; min-height: 0 !important;
	padding: 0 !important; overflow: auto; background: var(--editor-background, var(--cs-surface)); }
#beepboxEditorContainer .beepboxEditor { height: 100% !important; }

/* the Composer */
#composer { flex: 0 0 var(--cb-side); width: var(--cb-side); min-width: 300px; display: flex; flex-direction: column; min-height: 0; background: var(--cs-surface); color: var(--cs-fg);
	border-left: 1px solid var(--cs-line); transition: margin-right var(--cs-med) var(--cs-ease), opacity var(--cs-med) var(--cs-ease); }
#cbApp.no-composer #composer { margin-right: calc(-1 * var(--cb-side)); opacity: 0; pointer-events: none; }

.ac-head { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; padding: 10px 14px; border-bottom: 1px solid var(--cs-line); background: var(--cs-surface-2); }
.ac-title { font-family: var(--cs-display); text-transform: uppercase; -webkit-font-smoothing: none; font-size: 16px; color: var(--cs-fg); flex: 1; }
.ac-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--cs-fg-2); display: inline-block; }
.ac-dot.ok { background: var(--cb-ok); } .ac-dot.warn { background: var(--cb-warn); } .ac-dot.bad { background: var(--cb-bad); }
.ac-model { max-width: 104px; background: var(--cs-surface); color: var(--cs-fg); border: 0; box-shadow: 0 0 0 1px var(--cs-line); border-radius: 6px; padding: 4px; font-size: 12.5px; color-scheme: light dark; }
.ac-model option, .cb-field select option { background: var(--cs-surface); color: var(--cs-fg); }
.ac-small { padding: 3px 9px; min-height: 28px; font-size: 12.5px; }
.ac-close { display: none; }
.ac-log { flex: 1 1 auto; overflow-y: auto; padding: 12px 14px; display: flex; flex-direction: column; gap: 8px; min-height: 0; overscroll-behavior: contain; }
.ac-msg { padding: 9px 12px; border-radius: 14px; line-height: 1.45; font-size: 13.5px; white-space: pre-wrap; word-wrap: break-word; user-select: text; animation: ac-in var(--cs-med) var(--cs-ease-out); }
.ac-user { align-self: flex-end; max-width: 92%; background: var(--cs-accent); color: var(--cs-accent-fg); border-bottom-right-radius: 4px; }
.ac-assistant { align-self: flex-start; max-width: 96%; background: var(--cs-surface-2); color: var(--cs-fg); border: 1px solid var(--cs-line); border-bottom-left-radius: 4px; }
.ac-note { color: var(--cs-fg-2); background: transparent; font-size: 12.5px; border: 1px dashed var(--cs-line); }
.ac-warn { color: var(--cs-fg); border-color: var(--cb-warn); }
.ac-tool { font: 12px/1.35 var(--cs-mono); color: var(--cs-fg-2); padding: 2px 6px 2px 10px; border-left: 2px solid var(--cs-line); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; animation: ac-in var(--cs-fast) var(--cs-ease-out); }
.ac-tool.ac-pending { border-color: var(--cb-warn); animation: ac-pulse 1s infinite; }
.ac-tool.ac-ok { border-color: var(--cb-ok); } .ac-tool.ac-err { color: var(--cb-bad); border-color: var(--cb-bad); }
@keyframes ac-pulse { 50% { opacity: .55; } }
@keyframes ac-in { from { opacity: 0; transform: translateY(6px); } }
.ac-chips { display: flex; gap: 6px; padding: 6px 14px 8px; flex: 0 0 auto; flex-wrap: wrap; max-height: 86px; overflow-y: auto; }
.ac-chip { background: var(--cs-surface-2); border: 1px solid var(--cs-line); color: var(--cs-fg); border-radius: 999px; padding: 4px 11px; font-size: 12px; cursor: pointer; font-family: inherit;
	transition: background var(--cs-fast) var(--cs-ease), color var(--cs-fast) var(--cs-ease); }
.ac-chip:hover { background: var(--cs-accent); color: var(--cs-accent-fg); border-color: transparent; }
.ac-form { padding: 10px 14px max(14px, env(safe-area-inset-bottom)); border-top: 1px solid var(--cs-line); background: var(--cs-surface-2); }
.ac-input { width: 100%; box-sizing: border-box; resize: vertical; min-height: 54px; max-height: 180px; background: var(--cs-surface); color: var(--cs-fg); border: 0; border-radius: var(--cs-radius-s);
	box-shadow: 0 0 0 1px var(--cs-line); padding: 8px 10px; font: inherit; font-size: 14px; }
.ac-input::placeholder, .cb-field input::placeholder { color: var(--cs-fg-2); opacity: 1; }
.ac-input:focus { outline: none; box-shadow: 0 0 0 2px var(--cs-focus); }
.ac-row { display: flex; gap: 6px; margin-top: 8px; flex-wrap: wrap; }
.ac-usage { font-size: 11.5px; color: var(--cs-fg-2); margin-top: 6px; min-height: 14px; }
.ac-busy .ac-input { opacity: .7; }

/* dialogs */
.cb-modal { position: fixed; inset: 0; background: var(--cb-scrim); -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px); display: flex; align-items: center; justify-content: center; z-index: 50;
	visibility: hidden; opacity: 0; transition: opacity var(--cs-med) var(--cs-ease), visibility 0s linear var(--cs-med); }
.cb-modal.open { visibility: visible; opacity: 1; transition-delay: 0s; }
.cb-card { background: var(--cs-surface); color: var(--cs-fg); border-radius: var(--cs-radius-l); box-shadow: var(--cs-shadow), 0 0 0 1px var(--cs-line); width: min(560px, 92vw); max-height: 88vh; overflow: auto; padding: 22px 26px;
	transform: translateY(12px) scale(.98); transition: transform var(--cs-med) var(--cs-ease-out); }
.cb-modal.open .cb-card { transform: none; }
.cb-card h2 { margin: 0 0 8px; font: 400 22px var(--cs-display); text-transform: uppercase; -webkit-font-smoothing: none; color: var(--cs-fg); }
.cb-card p, .cb-card li { font-size: 13.5px; line-height: 1.55; color: var(--cs-fg); }
.cb-card a { color: var(--cs-accent); }
.cb-card pre { white-space: pre-wrap; font: 11.5px/1.4 var(--cs-mono); color: var(--cs-fg); background: var(--cs-surface-2); border: 1px solid var(--cs-line); border-radius: 8px; padding: 8px; max-height: 200px; overflow: auto; }
.cb-field { display: flex; align-items: center; gap: 10px; margin: 8px 0; font-size: 13.5px; }
.cb-field label { flex: 0 0 120px; color: var(--cs-fg-2); }
.cb-field input[type=text], .cb-field input[type=number], .cb-field select { flex: 1; min-width: 0; background: var(--cs-surface); color: var(--cs-fg); border: 0; box-shadow: 0 0 0 1px var(--cs-line); border-radius: var(--cs-radius-s); padding: 7px 9px; font: inherit; color-scheme: light dark; }
.cb-field input[type=file] { flex: 1; min-width: 0; font-size: 12.5px; color: var(--cs-fg-2); }
.cb-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 16px; }
.cb-progress { height: 6px; background: var(--cs-surface-2); border-radius: 3px; overflow: hidden; margin-top: 10px; display: none; }
.cb-progress i { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--cs-red), var(--cs-gold)); transition: width var(--cs-fast) linear; }
.cb-banner { position: fixed; left: 50%; bottom: max(18px, env(safe-area-inset-bottom)); background: var(--cs-surface); color: var(--cs-fg); border: 1px solid var(--cs-line); border-left: 3px solid var(--cs-accent);
	border-radius: var(--cs-radius); padding: 10px 14px; z-index: 40; display: flex; gap: 10px; align-items: center; box-shadow: var(--cs-shadow); font-size: 13.5px; max-width: 92vw;
	visibility: hidden; opacity: 0; transform: translate(-50%, 12px); transition: opacity var(--cs-med) var(--cs-ease), transform var(--cs-med) var(--cs-ease-out), visibility 0s linear var(--cs-med); }
.cb-banner.open { visibility: visible; opacity: 1; transform: translate(-50%, 0); transition-delay: 0s; }

/* narrow screens: the Composer becomes a sheet over the editor */
@media (max-width: 900px) {
	:root { --cb-side: min(420px, 100vw); }
	#composer { position: absolute; right: 0; top: 0; bottom: 0; z-index: 6; box-shadow: var(--cs-shadow); transform: none; transition: transform var(--cs-med) var(--cs-ease), opacity var(--cs-med) var(--cs-ease); }
	#cbApp.no-composer #composer { margin-right: 0; transform: translateX(100%); }
	.cb-status, .cb-brand small { display: none; }
	.ac-close { display: inline-block; margin-left: auto; }
}
@media (max-width: 560px) {
	#composer { top: 30%; left: 0; width: 100%; min-width: 0; border-left: 0; border-top: 1px solid var(--cs-line); border-radius: var(--cs-radius-l) var(--cs-radius-l) 0 0; }
	#cbApp.no-composer #composer { transform: translateY(100%); }
	.cb-field { flex-wrap: wrap; } .cb-field label { flex-basis: 100%; }
	.cb-brand span { display: none; }
	.cb-banner { flex-wrap: wrap; width: calc(100vw - 32px); } .cb-banner span { flex-basis: 100%; }
}
@media (prefers-reduced-transparency: reduce) { #cbBar, .cb-modal { -webkit-backdrop-filter: none; backdrop-filter: none; } #cbBar { background: var(--cs-surface); } }
@media (forced-colors: active) { .cb-btn, .ac-btn, .ac-input { border: 1px solid ButtonText; } :focus-visible { outline-color: Highlight; } }

/* BeepBox draws channel numbers on song-coloured boxes; the song colours are mid-tone, so use dark ink for the numbers. */
.channelBoxLabel[style*="inverted-text"] { color: #140708 !important; }
/* The "Customize Instrument" label is tinted with the channel's note colour upstream; keep it readable in every theme. */
button.customize-instrument { color: var(--primary-text) !important; }
@media (prefers-color-scheme: light) { .channelBoxLabel[style*="secondary-channel"] { color: var(--secondary-text) !important; } }