/* DTTQ Speaker Remote - bảng điều khiển loa Bluetooth */
.dsr {
	--dsr-max: 100%;            /* Chiều rộng tối đa (đặt trong trang cài đặt), không bao giờ vượt khung chứa */
	--dsr-bg: #ffffff;
	--dsr-card: #f6f7f9;
	--dsr-line: #dcdfe4;
	--dsr-text: #1d2327;
	--dsr-muted: #646970;
	--dsr-accent: #2563eb;
	--dsr-accent-text: #ffffff;
	--dsr-ok: #15803d;
	--dsr-warn: #b45309;
	--dsr-err: #b91c1c;
	box-sizing: border-box;
	display: block;
	float: none;
	width: 100%;
	max-width: min(100%, var(--dsr-max));
	min-width: 0;
	margin: 1.5em auto;
	padding: clamp(10px, 3vw, 16px);
	background: var(--dsr-bg);
	color: var(--dsr-text);
	border: 1px solid var(--dsr-line);
	border-radius: 12px;
	font-size: 15px;
	line-height: 1.45;
	overflow-wrap: anywhere;
}
.dsr *, .dsr *::before, .dsr *::after { box-sizing: border-box; }
/* Không phần tử con nào được rộng hơn khung (chống vỡ khung do CSS của giao diện web) */
.dsr * { max-width: 100%; min-width: 0; }
.dsr [hidden] { display: none !important; }

.dsr-head { display: flex; align-items: center; justify-content: space-between; gap: 4px 8px; flex-wrap: wrap; }
.dsr .dsr-title { margin: 0; padding: 0; font-size: 1.15em; line-height: 1.3; }
.dsr-status { font-size: .85em; color: var(--dsr-muted); }
.dsr-status.dsr-ok { color: var(--dsr-ok); }
.dsr-status.dsr-warn { color: var(--dsr-warn); }
.dsr-status.dsr-err { color: var(--dsr-err); }

.dsr-connect { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 8px; margin: 12px 0 4px; }  /* Nút kết nối nằm bên phải */
.dsr-connect .dsr-btn { flex: 0 1 auto; }
.dsr .dsr-note { text-align: right; }
.dsr .dsr-bands-wrap .dsr-note { text-align: left; }
.dsr .dsr-note { margin: 6px 0 0; font-size: .85em; color: var(--dsr-warn); }

.dsr .dsr-body { border: 0; margin: 12px 0 0; padding: 0; min-width: 0; min-inline-size: 0; width: 100%; display: grid; grid-template-columns: minmax(0, 1fr); gap: 12px; }
.dsr-body:disabled { opacity: .55; }

.dsr-card { background: var(--dsr-card); border: 1px solid var(--dsr-line); border-radius: 10px; padding: clamp(8px, 2.5vw, 12px); }
.dsr .dsr-card h4 { margin: 0 0 8px; padding: 0; font-size: 1em; line-height: 1.3; display: flex; flex-wrap: wrap; justify-content: space-between; align-items: baseline; gap: 2px 8px; }
.dsr-card h4 output { font-variant-numeric: tabular-nums; color: var(--dsr-accent); }
.dsr .dsr-tag { font-size: .78em; font-weight: 600; padding: 1px 8px; border: 1px solid var(--dsr-accent); border-radius: 999px; }
.dsr .dsr-sub { margin: 14px 0 6px; padding: 0; font-size: .9em; font-weight: 600; line-height: 1.3; color: var(--dsr-muted); }

.dsr-row { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.dsr-row + .dsr-row { margin-top: 8px; }
.dsr-row input[type="range"] { flex: 1 1 120px; width: auto; }
.dsr .dsr-hint { margin: 6px 0 0; font-size: .82em; color: var(--dsr-muted); }
.dsr .dsr-err-text { color: var(--dsr-err); }

.dsr input[type="range"] { margin: 0; padding: 0; accent-color: var(--dsr-accent); }

.dsr .dsr-btn {
	appearance: none;
	border: 1px solid var(--dsr-line);
	background: var(--dsr-bg);
	color: var(--dsr-text);
	margin: 0;
	padding: 8px 14px;
	border-radius: 8px;
	font: inherit;
	font-size: .92em;
	cursor: pointer;
	line-height: 1.2;
	width: auto;
	height: auto;
	min-height: 0;
	white-space: normal;
	text-transform: none;
	letter-spacing: normal;
}
.dsr .dsr-btn:hover:not(:disabled) { border-color: var(--dsr-accent); }
.dsr .dsr-btn:disabled { cursor: not-allowed; opacity: .6; }
.dsr .dsr-btn-primary { background: var(--dsr-accent); border-color: var(--dsr-accent); color: var(--dsr-accent-text); }
.dsr .dsr-btn-danger { color: var(--dsr-err); border-color: var(--dsr-err); }
.dsr .dsr-sq { flex: 0 0 40px; width: 40px; padding: 8px 0; font-size: 1.1em; }

.dsr-eq { display: flex; flex-wrap: wrap; gap: 6px; }
.dsr .dsr-chip {
	appearance: none;
	border: 1px solid var(--dsr-line);
	background: var(--dsr-bg);
	color: var(--dsr-text);
	margin: 0;
	padding: 6px 12px;
	border-radius: 999px;
	font: inherit;
	font-size: .88em;
	line-height: 1.2;
	cursor: pointer;
	width: auto;
	height: auto;
	min-height: 0;
	text-transform: none;
	letter-spacing: normal;
}
.dsr .dsr-chip.dsr-on { background: var(--dsr-accent); border-color: var(--dsr-accent); color: var(--dsr-accent-text); }

/* 10 cần gạt EQ: luôn chia đều 10 cột theo chiều rộng khung, cần gạt đứng */
.dsr-bands {
	display: grid;
	grid-template-columns: repeat(10, minmax(0, 1fr));
	gap: 2px;
	padding: 8px 2px;
	background: var(--dsr-bg);
	border: 1px solid var(--dsr-line);
	border-radius: 8px;
}
.dsr .dsr-band { display: flex; flex-direction: column; align-items: center; gap: 4px; margin: 0; padding: 0; font-size: clamp(9px, 2.6vw, 12px); line-height: 1.2; cursor: pointer; }
.dsr .dsr-band output { color: var(--dsr-accent); font-variant-numeric: tabular-nums; font-weight: 600; white-space: nowrap; }
.dsr .dsr-band-name { color: var(--dsr-muted); white-space: nowrap; }
.dsr .dsr-band input[type="range"] {
	writing-mode: vertical-lr;      /* Cần gạt đứng (Chrome 124+, Safari 17.4+, Firefox) */
	direction: rtl;                 /* Kéo lên = tăng */
	width: 100%;
	max-width: 28px;
	height: clamp(110px, 32vw, 160px);
	touch-action: none;             /* Kéo cần gạt không làm cuộn trang */
}
@supports not (writing-mode: vertical-lr) {
	.dsr .dsr-band input[type="range"] { -webkit-appearance: slider-vertical; }
}

.dsr-bt { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 160px), 1fr)); gap: 12px; margin-top: 12px; }
.dsr .dsr-bt label { display: flex; flex-direction: column; gap: 4px; margin: 0; font-size: .9em; }
.dsr-bt-head { display: flex; justify-content: space-between; gap: 8px; }
.dsr-bt output { color: var(--dsr-accent); font-variant-numeric: tabular-nums; }
.dsr-bt input[type="range"] { width: 100%; }

.dsr .dsr-input {
	flex: 1 1 160px;
	width: auto;
	margin: 0;
	padding: 8px 10px;
	border: 1px solid var(--dsr-line);
	border-radius: 8px;
	background: var(--dsr-bg);
	color: var(--dsr-text);
	font: inherit;
	line-height: 1.2;
	height: auto;
	min-height: 0;
}

.dsr-danger { background: transparent; }
.dsr .dsr-log {
	margin: 12px 0 0;
	max-height: 180px;
	overflow: auto;
	padding: 8px;
	font-size: 12px;
	background: #0f172a;
	color: #cbd5e1;
	border-radius: 8px;
	white-space: pre-wrap;
	word-break: break-all;
}