/* =========================================================================
   Morse Code Translator — Premium UI
   Every color is a CSS custom property so the admin color pickers keep
   working exactly as before. The values below are just the fallbacks /
   shipped defaults (see class-mct-settings.php for the actual defaults).
   ========================================================================= */

.mct-app {
	--mct-primary: #6d5dfc;
	--mct-primary-2: #9c6bff;
	--mct-accent: #22d3ee;
	--mct-ready: #34d399;
	--mct-bg: #080a14;
	--mct-bg-2: #121527;
	--mct-surface: #12162a;
	--mct-surface-soft: #171b32;
	--mct-text: #f3f5fc;
	--mct-muted: #9198b8;
	--mct-line: rgba(255, 255, 255, .09);
	--mct-line-strong: rgba(255, 255, 255, .18);
	--mct-glow: 0 0 0 1px var(--mct-line), 0 30px 80px -20px rgba(0, 0, 0, .65), 0 0 120px -40px color-mix(in srgb, var(--mct-primary) 55%, transparent);
	--mct-radius-lg: 24px;
	--mct-radius: 16px;
	--mct-radius-sm: 12px;
	--mct-font-display: "Clash Display", "Cabinet Grotesk", Inter, -apple-system, "Segoe UI", ui-sans-serif, system-ui, sans-serif;
	--mct-font: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", ui-sans-serif, system-ui, sans-serif;
	--mct-font-mono: "JetBrains Mono", ui-monospace, "SF Mono", "Cascadia Code", Menlo, Consolas, monospace;
	position: relative;
	isolation: isolate;
	box-sizing: border-box;
	width: 100%;
	margin: 32px auto;
	padding: clamp(16px, 4vw, 44px);
	overflow: hidden;
	border-radius: var(--mct-radius-lg);
	background: var(--mct-bg);
	color: var(--mct-text);
	font-family: var(--mct-font);
	-webkit-font-smoothing: antialiased;
	text-rendering: optimizeLegibility;
	box-shadow: var(--mct-glow);
	animation: mct-rise .6s cubic-bezier(.16, 1, .3, 1) both;
}
.mct-app *, .mct-app *::before, .mct-app *::after { box-sizing: border-box; }
.mct-app button, .mct-app input, .mct-app textarea { font: inherit; color: inherit; }
.mct-app button { cursor: pointer; -webkit-tap-highlight-color: transparent; }
.mct-app button:focus-visible, .mct-app input:focus-visible, .mct-app textarea:focus-visible { outline: 2px solid color-mix(in srgb, var(--mct-accent) 70%, transparent); outline-offset: 2px; border-radius: 6px; }

/* Ambient background: soft moving glow field, purely decorative */
.mct-app::before,
.mct-app::after {
	content: "";
	position: absolute;
	z-index: -1;
	border-radius: 50%;
	filter: blur(70px);
	opacity: .5;
	pointer-events: none;
}
.mct-app::before {
	top: -18%;
	left: -8%;
	width: 46%;
	aspect-ratio: 1;
	background: radial-gradient(circle, color-mix(in srgb, var(--mct-primary) 65%, transparent), transparent 70%);
	animation: mct-drift-a 16s ease-in-out infinite;
}
.mct-app::after {
	bottom: -22%;
	right: -10%;
	width: 50%;
	aspect-ratio: 1;
	background: radial-gradient(circle, color-mix(in srgb, var(--mct-accent) 55%, transparent), transparent 70%);
	animation: mct-drift-b 18s ease-in-out infinite;
}

.mct-shell { position: relative; width: min(980px, 100%); margin: 0 auto; }

/* Header */
.mct-header { padding: 0 2px 26px; }
.mct-eyebrow { display: inline-flex; align-items: center; gap: 8px; margin: 0 0 16px; padding: 6px 12px 6px 8px; border: 1px solid var(--mct-line); border-radius: 999px; background: var(--mct-surface-soft); color: var(--mct-muted); font-family: var(--mct-font-mono); font-size: 10.5px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; }
.mct-eyebrow::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--mct-ready); box-shadow: 0 0 0 3px color-mix(in srgb, var(--mct-ready) 22%, transparent), 0 0 10px color-mix(in srgb, var(--mct-ready) 70%, transparent); }
.mct-title {
	margin: 0;
	font-family: var(--mct-font-display);
	font-size: clamp(30px, 6vw, 46px);
	font-weight: 700;
	letter-spacing: -.035em;
	line-height: 1.05;
	background: linear-gradient(105deg, var(--mct-text) 30%, var(--mct-primary-2) 65%, var(--mct-accent) 95%);
	-webkit-background-clip: text;
	background-clip: text;
	-webkit-text-fill-color: transparent;
}
.mct-subtitle { max-width: 520px; margin: 12px 0 0; color: var(--mct-muted); font-size: 14.5px; line-height: 1.65; }

/* Mode bar */
.mct-modebar { display: flex; align-items: center; gap: 4px; margin-bottom: 12px; padding: 5px; border: 1px solid var(--mct-line); border-radius: var(--mct-radius); background: var(--mct-surface); }
.mct-mode-button, .mct-swap-button { min-height: 46px; border: 0; border-radius: 11px; background: transparent; color: var(--mct-muted); font-size: 12.5px; font-weight: 700; letter-spacing: .01em; transition: background .22s ease, color .22s ease, box-shadow .22s ease; }
.mct-mode-button { flex: 1; padding: 0 14px; }
.mct-mode-button:hover { color: var(--mct-text); background: var(--mct-surface-soft); }
.mct-mode-button.is-active { background: linear-gradient(135deg, var(--mct-primary), var(--mct-primary-2)); color: #fff; box-shadow: 0 8px 20px -6px color-mix(in srgb, var(--mct-primary) 70%, transparent); }
.mct-swap-button { width: 46px; flex: 0 0 auto; color: var(--mct-accent); font-size: 18px; }
.mct-swap-button:hover { background: var(--mct-surface-soft); color: var(--mct-text); transform: rotate(180deg); transition: transform .35s cubic-bezier(.34, 1.56, .64, 1), background .22s ease, color .22s ease; }

/* Signal strip — a live pulse-train rendering of the exact signal being sent */
.mct-signalstrip { display: flex; align-items: center; gap: 2.5px; height: 26px; margin-bottom: 12px; padding: 0 12px; border: 1px solid var(--mct-line); border-radius: var(--mct-radius-sm); background: var(--mct-surface); overflow: hidden; }
.mct-signalstrip:empty::before { content: "· · · — — — · · ·"; color: color-mix(in srgb, var(--mct-muted) 55%, transparent); font-family: var(--mct-font-mono); font-size: 11px; letter-spacing: .15em; }
.mct-signal-bit { flex: 0 0 auto; height: 6px; border-radius: 3px; background: color-mix(in srgb, var(--mct-primary-2) 45%, transparent); transition: background .15s ease, opacity .15s ease, box-shadow .15s ease; }
.mct-signal-bit--dot { width: 6px; }
.mct-signal-bit--dash { width: 18px; background: color-mix(in srgb, var(--mct-primary-2) 70%, transparent); }
.mct-signal-gap { flex: 0 0 auto; width: 8px; }
.mct-signal-gap--word { width: 15px; }
.mct-signal-more { flex: 0 0 auto; color: var(--mct-muted); font-family: var(--mct-font-mono); font-size: 10px; padding-left: 2px; }
.is-playing .mct-signal-bit { background: var(--mct-accent); box-shadow: 0 0 10px color-mix(in srgb, var(--mct-accent) 80%, transparent); animation: mct-signal-glow 1s ease-in-out infinite; }
.is-playing .mct-signal-bit--dash { animation-duration: 1.4s; }

/* Workspace */
.mct-workspace { position: relative; padding: 12px; border: 1px solid var(--mct-line); border-radius: var(--mct-radius-lg); background: linear-gradient(180deg, var(--mct-bg-2), transparent 40%); }
.mct-editor-card, .mct-result-card {
	position: relative;
	padding: clamp(16px, 3vw, 24px);
	border: 1px solid var(--mct-line);
	border-radius: var(--mct-radius);
	background: var(--mct-surface);
	transition: border-color .2s ease, box-shadow .2s ease;
}
.mct-editor-card:focus-within, .mct-result-card:focus-within { border-color: color-mix(in srgb, var(--mct-primary-2) 55%, var(--mct-line)); box-shadow: 0 0 0 4px color-mix(in srgb, var(--mct-primary) 14%, transparent); }
.mct-result-card { margin-top: 10px; background: linear-gradient(168deg, var(--mct-surface), var(--mct-surface-soft)); }
.mct-card-heading { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin-bottom: 14px; }
.mct-label { color: var(--mct-muted); font-family: var(--mct-font-mono); font-size: 10.5px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }
.mct-kbd { padding: 4px 7px; border: 1px solid var(--mct-line); border-bottom-width: 2px; border-radius: 6px; background: var(--mct-surface-soft); color: var(--mct-muted); font-family: var(--mct-font-mono); font-size: 9px; }
.mct-input, .mct-output { display: block; width: 100%; min-height: 168px; border: 0; outline: 0; background: transparent; color: var(--mct-text); font-size: 16px; line-height: 1.7; resize: vertical; }
.mct-input::placeholder { color: color-mix(in srgb, var(--mct-muted) 70%, transparent); }
.mct-input { font-family: var(--mct-font); caret-color: var(--mct-primary-2); }
.mct-output { overflow-wrap: anywhere; font-family: var(--mct-font-mono); font-size: 15px; letter-spacing: .01em; color: var(--mct-accent); }
.mct-output.is-empty { color: color-mix(in srgb, var(--mct-muted) 80%, transparent); font-family: var(--mct-font); font-size: 16px; }
.mct-editor-footer { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-top: 14px; padding-top: 14px; border-top: 1px solid var(--mct-line); }
.mct-count { color: var(--mct-muted); font-family: var(--mct-font-mono); font-size: 10px; }
.mct-count strong { color: var(--mct-text); font-size: 11px; }
.mct-quick-actions { display: flex; gap: 2px; }
.mct-text-button, .mct-secondary-button, .mct-outline-button { border: 1px solid transparent; border-radius: 9px; background: transparent; color: var(--mct-muted); font-size: 11px; font-weight: 700; min-height: 40px; transition: background .18s ease, color .18s ease, border-color .18s ease, transform .18s ease; }
.mct-text-button { padding: 0 10px; }
.mct-text-button:hover { background: var(--mct-surface-soft); color: var(--mct-text); }
.mct-connector { display: grid; place-items: center; height: 24px; color: var(--mct-accent); font-weight: 700; }
.mct-connector span { display: grid; place-items: center; width: 26px; height: 26px; border: 1px solid var(--mct-line); border-radius: 50%; background: var(--mct-surface-soft); font-size: 12px; box-shadow: 0 0 0 4px var(--mct-bg-2); }
.mct-status { display: inline-flex; align-items: center; gap: 7px; color: var(--mct-muted); font-family: var(--mct-font-mono); font-size: 10px; }
.mct-status-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--mct-ready); box-shadow: 0 0 0 4px color-mix(in srgb, var(--mct-ready) 18%, transparent), 0 0 8px color-mix(in srgb, var(--mct-ready) 60%, transparent); }
.is-playing .mct-status-dot { background: var(--mct-accent); box-shadow: 0 0 0 4px color-mix(in srgb, var(--mct-accent) 20%, transparent), 0 0 10px color-mix(in srgb, var(--mct-accent) 80%, transparent); animation: mct-pulse 1s ease infinite; }
.mct-helper { margin: 14px 3px 0; color: var(--mct-muted); font-size: 11.5px; line-height: 1.6; }
.mct-error { margin: 14px 3px 0; padding: 11px 13px; border: 1px solid rgba(244, 63, 94, .3); border-radius: var(--mct-radius-sm); background: rgba(244, 63, 94, .1); color: #fda4af; font-size: 11.5px; line-height: 1.5; }

/* Controls */
.mct-controls { margin-top: 12px; padding: 18px 16px; border: 1px solid var(--mct-line); border-radius: var(--mct-radius-lg); background: var(--mct-surface); box-shadow: 0 20px 45px -20px rgba(0, 0, 0, .55); }
.mct-control-row { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.mct-primary-button { display: inline-flex; align-items: center; justify-content: center; gap: 9px; min-height: 50px; padding: 0 24px; border: 0; border-radius: var(--mct-radius-sm); background: linear-gradient(135deg, var(--mct-primary), var(--mct-primary-2)); color: #fff; font-size: 12.5px; font-weight: 700; letter-spacing: .02em; box-shadow: 0 14px 30px -8px color-mix(in srgb, var(--mct-primary) 75%, transparent); transition: transform .2s cubic-bezier(.34, 1.56, .64, 1), box-shadow .2s ease, background .3s ease; }
.mct-play-icon { display: inline-grid; place-items: center; }
.mct-primary-button:hover { transform: translateY(-2px) scale(1.015); box-shadow: 0 18px 36px -8px color-mix(in srgb, var(--mct-primary) 85%, transparent); }
.mct-primary-button:active { transform: translateY(0) scale(.99); }
.is-playing .mct-primary-button { background: linear-gradient(135deg, var(--mct-accent), var(--mct-primary-2)); box-shadow: 0 14px 30px -8px color-mix(in srgb, var(--mct-accent) 75%, transparent); }
.is-playing .mct-play-icon { animation: mct-pulse-scale 1s ease infinite; }
.mct-speed-control { flex: 1; min-width: 150px; }
.mct-control-label { display: flex; justify-content: space-between; margin-bottom: 10px; color: var(--mct-muted); font-family: var(--mct-font-mono); font-size: 10px; font-weight: 600; letter-spacing: .05em; text-transform: uppercase; }
.mct-control-label output { color: var(--mct-accent); font-weight: 700; }
.mct-speed-control input { width: 100%; height: 30px; accent-color: var(--mct-primary-2); }
.mct-speed-control input[type="range"] { -webkit-appearance: none; appearance: none; background: transparent; }
.mct-speed-control input[type="range"]::-webkit-slider-runnable-track { height: 4px; border-radius: 4px; background: var(--mct-line-strong); }
.mct-speed-control input[type="range"]::-webkit-slider-thumb { -webkit-appearance: none; margin-top: -6px; width: 16px; height: 16px; border-radius: 50%; background: linear-gradient(135deg, var(--mct-primary), var(--mct-accent)); box-shadow: 0 0 0 4px color-mix(in srgb, var(--mct-primary) 22%, transparent), 0 2px 8px rgba(0, 0, 0, .4); }
.mct-speed-control input[type="range"]::-moz-range-track { height: 4px; border-radius: 4px; background: var(--mct-line-strong); }
.mct-speed-control input[type="range"]::-moz-range-thumb { width: 16px; height: 16px; border: 0; border-radius: 50%; background: linear-gradient(135deg, var(--mct-primary), var(--mct-accent)); box-shadow: 0 0 0 4px color-mix(in srgb, var(--mct-primary) 22%, transparent), 0 2px 8px rgba(0, 0, 0, .4); }
.mct-toggle-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; margin-top: 18px; }
.mct-toggle { display: flex; align-items: center; gap: 9px; min-height: 42px; color: var(--mct-muted); font-size: 11px; font-weight: 600; cursor: pointer; }
.mct-toggle input { position: absolute; opacity: 0; pointer-events: none; }
.mct-toggle-track { position: relative; width: 34px; height: 20px; flex: 0 0 auto; border-radius: 20px; background: var(--mct-line-strong); transition: background .2s ease, box-shadow .2s ease; }
.mct-toggle-track::after { content: ""; position: absolute; top: 3px; left: 3px; width: 14px; height: 14px; border-radius: 50%; background: #fff; box-shadow: 0 2px 5px rgba(0, 0, 0, .35); transition: transform .2s cubic-bezier(.34, 1.56, .64, 1); }
.mct-toggle input:checked + .mct-toggle-track { background: linear-gradient(135deg, var(--mct-primary), var(--mct-primary-2)); box-shadow: 0 0 12px -2px color-mix(in srgb, var(--mct-primary) 70%, transparent); }
.mct-toggle input:checked + .mct-toggle-track::after { transform: translateX(14px); }
.mct-toggle:hover { color: var(--mct-text); }
.mct-secondary-button { display: inline-flex; align-items: center; justify-content: center; gap: 6px; min-height: 42px; border-color: var(--mct-line); background: var(--mct-surface-soft); color: var(--mct-accent); }
.mct-secondary-button:hover, .mct-outline-button:hover { border-color: var(--mct-line-strong); background: var(--mct-surface-soft); color: var(--mct-text); transform: translateY(-1px); }
.mct-footer-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; padding: 16px 2px 0; }
.mct-outline-button { display: inline-flex; align-items: center; gap: 6px; min-height: 42px; padding: 0 14px; border-color: var(--mct-line); background: var(--mct-surface); }
.mct-shortcut { display: none; margin: 0 0 0 auto; color: var(--mct-muted); font-family: var(--mct-font-mono); font-size: 10px; }
.mct-toast { position: fixed; left: 50%; bottom: calc(18px + env(safe-area-inset-bottom, 0px)); z-index: 9999; width: calc(100vw - 32px); max-width: 380px; padding: 13px 16px; border: 1px solid var(--mct-line-strong); border-radius: var(--mct-radius-sm); background: color-mix(in srgb, var(--mct-bg) 92%, black); color: var(--mct-text); box-shadow: 0 20px 45px -10px rgba(0, 0, 0, .55), 0 0 0 1px color-mix(in srgb, var(--mct-primary) 25%, transparent); font-size: 12px; font-weight: 600; opacity: 0; pointer-events: none; transform: translate(-50%, 10px); transition: opacity .25s ease, transform .25s ease; }
.mct-toast.is-visible { opacity: 1; transform: translate(-50%, 0); }

@keyframes mct-pulse { 50% { box-shadow: 0 0 0 8px color-mix(in srgb, var(--mct-accent) 16%, transparent), 0 0 14px color-mix(in srgb, var(--mct-accent) 60%, transparent); } }
@keyframes mct-pulse-scale { 50% { transform: scale(1.18); } }
@keyframes mct-signal-glow { 0%, 100% { opacity: .6; } 50% { opacity: 1; } }
@keyframes mct-rise { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: translateY(0); } }
@keyframes mct-drift-a { 0%, 100% { transform: translate(0, 0) scale(1); } 50% { transform: translate(6%, 8%) scale(1.12); } }
@keyframes mct-drift-b { 0%, 100% { transform: translate(0, 0) scale(1); } 50% { transform: translate(-5%, -6%) scale(1.1); } }

/* Small phones: tighten rhythm, keep every target >= 44px tall */
@media (max-width: 420px) {
	.mct-app { margin: 16px auto; padding: 14px; border-radius: 20px; }
	.mct-title { font-size: 26px; }
	.mct-editor-card, .mct-result-card { padding: 16px; }
	.mct-input, .mct-output { min-height: 150px; }
	.mct-control-row { gap: 12px; }
	.mct-primary-button { width: 100%; }
	.mct-speed-control { flex-basis: 100%; }
	.mct-quick-actions { gap: 0; }
	.mct-footer-actions .mct-outline-button { flex: 1 1 auto; justify-content: center; }
}

/* Tablet and up: two-column workspace */
@media (min-width: 760px) {
	.mct-workspace { padding: 16px; display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
	.mct-editor-card, .mct-result-card { min-height: 260px; }
	.mct-input, .mct-output { min-height: 184px; }
	.mct-result-card { margin-top: 0; grid-column: 2; grid-row: 1; }
	.mct-editor-card { grid-column: 1; grid-row: 1; }
	.mct-connector { position: absolute; top: 50%; left: 50%; z-index: 2; width: 28px; height: 28px; transform: translate(-50%, -50%); }
	.mct-helper, .mct-error { grid-column: 1 / -1; }
	.mct-toggle-grid { grid-template-columns: repeat(4, 1fr); }
	.mct-shortcut { display: block; }
	.mct-toast { left: auto; right: 20px; bottom: 20px; transform: translateY(10px); }
	.mct-toast.is-visible { transform: translateY(0); }
}

/* Respect reduced-motion preferences */
@media (prefers-reduced-motion: reduce) {
	.mct-app { animation: none; }
	.mct-app::before, .mct-app::after { animation: none; }
	.mct-app *, .mct-app *::before, .mct-app *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}