/* Shared styles for Piano and Synth UIs */

/* Prevent blue tap highlight on mobile */
* { -webkit-tap-highlight-color: transparent; }

/* Reset default styles */
* { margin: 0; padding: 0; box-sizing: border-box; outline: none; }

html, body { touch-action: manipulation; }

body {
  overflow: auto;
  user-select: none;
  -webkit-user-select: none;
  -ms-user-select: none;
  -moz-user-select: none;
  font-family: "Quicksand", sans-serif;
  font-optical-sizing: auto;
  font-weight: 400;
  font-style: normal;
}

/* Restore default paragraph spacing */
p { margin-bottom: 1em; }

/* Small layout helpers used across apps */
.flex-row { display:flex; flex-wrap:wrap; justify-content:space-evenly; gap:5px; align-items: end; }
.col { display:flex; flex-direction:column; align-items:center; }

/* Unified controls container used by Piano and Synth */
.controls-container {
  padding: 12px;
  background: var(--controls-bg, #e9e9e9);
  border-radius: 8px;
  margin: 0 auto 15px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  max-width: calc(100vw - 20px);
  position: relative;
  color: #2b3035;
}


#device-debug-label { margin:12px 0 0 0; font-size:14px; color:#888; font-family:monospace; text-align:center;visibility:hidden;}

.audio-init-container { display:flex; flex-direction:column; }

#piano-stage { display:flex; flex-direction:column; align-items:center; width: fit-content; max-width: calc(100vw - 20px); margin: 0 auto; }

#pianoCanvas.loaded { opacity: 1; }
#pianoCanvas.audio-disabled { filter: grayscale(0.8) brightness(0.6); cursor: not-allowed; }
#pianoCanvas.audio-ready { filter: none; cursor: pointer; }

/* Piano Loader */
.piano-loader {
  position: fixed; top: 0; left: 0; right: 0; bottom: 0;
  /* match audio overlay surface when theme tokens are present */
  background: var(--audio-overlay-bg, rgba(240, 240, 240, 0.95));
  display: flex; flex-direction: column; justify-content: center; align-items: center; gap: 20px;
  opacity: 1; transition: opacity 0.5s ease-in-out; z-index: 2000;
  backdrop-filter: blur(3px); -webkit-backdrop-filter: blur(3px);
}
.piano-loader.hidden { opacity: 0; pointer-events: none; visibility: hidden; }
.loader-content {
  /* inner panel should follow the audio overlay inner bg + shadow */
  background: var(--audio-overlay-inner-bg, rgba(255, 255, 255, 0.9));
  padding: 40px; border-radius: 15px;
  box-shadow: var(--audio-overlay-inner-shadow, 0 8px 32px rgba(0, 0, 0, 0.2));
  display: flex; flex-direction: column; align-items: center; gap: 20px;
  min-width: 250px; backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
}
.loader-percentage { font-size: 32px; font-weight: 600; color: #ff8000; margin-bottom: 10px; }
.loader-text { color: var(--audio-init-text, #666); font-size: 14px; font-weight: 300; letter-spacing: 1px; text-transform: uppercase; }
.loader-progress { width: 120px; height: 2px; background: #e0e0e0; border-radius: 1px; overflow: hidden; }
.loader-progress-bar { height: 100%; background: linear-gradient(90deg, #ff8000, #ff6600); border-radius: 1px; width: 0%; transition: width 0.3s ease; }

 #size-desktop-container, #size-mobile-container, #transpose-desktop-container, #transpose-mobile-container, #delay-time-desktop-container, #delay-time-mobile-container, #tempo-desktop-container, #tempo-mobile-container, #rhythm-start-desktop-container, #rhythm-start-mobile-container, #rhythm-break-desktop-container, #rhythm-break-mobile-container{ background-color:#4a5568; padding:5px; border-radius:5px; }

/* Controls toggle button */
.controls-toggle {
  display: none; width: 100%; padding: 12px; background: #ff8000; color: white;
  border: none; border-radius: 8px; font-size: 14px; font-weight: 600; cursor: pointer;
  margin-bottom: 10px; box-shadow: 0 2px 8px rgba(255, 128, 0, 0.3); transition: all 0.2s ease;
}
.controls-toggle:hover { background: #ff6600; transform: translateY(-1px); }
.controls-toggle.collapsed { margin-bottom: 0; }

/* Tab system base */
.tab-container { display: none; }
.tab-buttons { display:flex; gap:2px; overflow-x:auto; -webkit-overflow-scrolling: touch;}
.tab-button {
  flex: 1;
  min-width: 0;
  padding: 8px 4px;
  border: none;
  border-radius: 6px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  font-family: "Sofia Sans Extra Condensed", sans-serif;
  font-optical-sizing: auto;
  font-style: normal;
}
.tab-content { display: none; }
.tab-content.active { display: block; }

/* Audio Loading Overlay */
#audio-loading-overlay {
  position: absolute; top: 0; left: 0; right: 0; bottom: 0;
  background: var(--audio-overlay-bg, rgba(233, 233, 233, 0.95));
  display: flex; flex-direction: column; justify-content: center; align-items: center;
  border-radius: 8px; cursor: pointer; z-index: 10; transition: opacity 0.3s ease;
  min-height: 200px; opacity: 0; pointer-events: none; visibility: hidden;
}
#audio-loading-overlay.ready { opacity: 1; pointer-events: auto; visibility: visible; }
#audio-loading-overlay.hidden { opacity: 0; pointer-events: none; visibility: hidden; }

.audio-init-button {
  background: #ff8000; color: white; border: none; padding: 15px 30px;
  border-radius: 8px; font-size: 16px; font-weight: 600; cursor: pointer;
  box-shadow: 0 4px 12px rgba(255, 128, 0, 0.3); transition: all 0.2s ease;
  margin-bottom: 10px; min-width: 200px; text-align: center;
}
.audio-init-button:hover { background: #ff6600; transform: translateY(-2px); box-shadow: 0 6px 16px rgba(255, 128, 0, 0.4); }
.audio-init-text { font-size: 19px; color: var(--audio-init-text, #666); text-align: center; max-width: 300px; line-height: 1.4; font-family: 'Sofia Sans Extra Condensed';}

/* Controls grid */
.control { display: grid; grid-template-columns: 100px 1fr 45px; align-items: center; gap: 10px; font-size: 12px; }
.control label { font-size: 12px; color: #555; text-align: right; }
.control input[type="range"] { -webkit-appearance: none; appearance: none; width: 100%; height: 8px; background: #ddd; outline: none; border-radius: 4px; transition: opacity .2s; }
.control input[type="range"]::-webkit-slider-thumb { -webkit-appearance: none; appearance: none; width: 18px; height: 18px; background: #ff8000; cursor: pointer; border-radius: 50%; border: 2px solid #fff; box-shadow: 0 2px 4px rgba(0,0,0,0.2); }
.control input[type="range"]::-moz-range-thumb { width: 18px; height: 18px; background: #ff8000; cursor: pointer; border-radius: 50%; border: 2px solid #fff; box-shadow: 0 2px 4px rgba(0,0,0,0.2); }
.control span { font-size: 11px; font-family: monospace; color: #333; text-align: right; background: #fff; padding: 3px 5px; border-radius: 4px; border: 1px solid #ccc; }
.control select { padding: 5px; border-radius: 4px; border: 1px solid #ccc; font-size: 12px; grid-column: 2 / span 2; background-color: white; -webkit-appearance: menulist; appearance: menulist; }

/* Desktop checkbox styling */
.control.control-checkbox { grid-template-columns: 100px auto; align-items: center; }
.control.control-checkbox input[type="checkbox"] { width: 20px; height: 20px; justify-self: start; }

.value-display { text-align: center; font-size: 16px; color: #c8d7e1; display: flex; align-items: center; justify-content: center; padding: 3px; border-radius: 2px; font-weight: 700; background: #121416; width: 45px; height: 24px; }

/* Control groups (shared container + header) */
.control-group {
  display: flex;
  flex-direction: column;
  min-width: 100px;
  flex-grow: 1;
  max-width: 400px;
  background-color: #2b3035;
  border-radius: 13px;
  font-family: "Sofia Sans Extra Condensed", sans-serif;
  font-optical-sizing: auto;
  font-weight: 300;
  font-style: normal;
}
.control-group h4 {
  font-size: 17px;
  color: #4e575f;
  text-align: center;
  border-bottom: 1px solid #ccc;
  padding: 6px 0;
  font-weight: 600;
  background: hsl(210 10% 83% / 1);
  border-radius: 11px 11px 0 0;
}

/* Option selector (generic) */
.option-selector { display:flex; flex-direction:column; gap:8px; background:#4a5568; padding:8px 6px; border-radius:6px; }
.option-selector .selector-options { display:flex; flex-direction:column; font-size:12px; font-weight:600; color:#9eb8cb; user-select:none; margin-left:3px; }
.option-selector .selector-row { display:flex; align-items:center; gap:2px; letter-spacing:.5px; }
.option-selector .selector-led { width:10px; height:10px; border-radius:50%; background:#212939; box-shadow:0 0 0 1px #16202a inset, 0 0 2px rgba(0,0,0,0.6); }
.option-selector .selector-row.active .selector-led { background:#e3e7ef; box-shadow: 0 0 0 1px #ffffff inset, 0 0 6px #e3e7ef; }
.option-selector .selector-name { letter-spacing:.5px; padding:2px 6px; border-radius:4px; display:inline-block; }
.option-selector .selector-row.active .selector-name { color:#ffffff; }
.option-selector .selector-row.loaded .selector-name { color:#ffffff; }
.option-selector .selector-row.disabled .selector-name { opacity:.35; }
.option-selector .selector-btn { width:100%; height:31px; position:relative; display:flex; justify-content:center; align-items:center; }
/* Rhythm start button styling when used standalone (without .option-selector wrapper) */
.rhythm-start-btn { width:100%; height:31px; position:relative; display:flex; justify-content:center; align-items:center; padding: 6px 12px; font-size: 16px; }
.selector-btn.loading { opacity:0.6; pointer-events:none; }
/* Spinner inside selector button */
.selector-btn .spinner { width:16px; height:16px; border:2px solid rgba(255,255,255,0.3); border-top-color:#fff; border-radius:50%; animation:spin 0.7s linear infinite; display:none; }
.selector-btn.loading .spinner { display:block; }
/* Hide icon/label while loading so only spinner is visible */
.selector-btn.loading .selector-name { display: none; }

/* Play/Stop SVG icons */
.rhythm-start-btn .stop-icon{ display:none; }
.rhythm-start-btn .play-icon{ display:inline-block; }
.rhythm-start-btn.running .stop-icon{ display:inline-block; color:#ff8000; }
.rhythm-start-btn.running .play-icon{ display:none; }

/* Break button active overlay */
.selector-btn.break-active{ position: relative; box-shadow: 0 0 0 2px #63b3ed inset, 0 0 10px rgba(99,179,237,0.6); }
.selector-btn.break-active::after{ content: ""; position: absolute; inset: 0; background: rgba(99,179,237,0.15); border-radius: inherit; pointer-events: none; }

@keyframes spin { to { transform: rotate(360deg); } }

/* Uniform button sizing for control-group buttons (exclude option-selector button) */
.uniform-btn { width: 45px; height: 33px; }
@media (max-width: 768px){ .uniform-btn { width: 45px; height: 33px; } }

/* ================= Octave controls (shared) ================= */
#piano-stage .octave-controls { width:100%; display:none; justify-content:space-between; align-items:center; margin-top:10px; padding:0 2px; }
#piano-stage .octave-controls.visible { display:flex; }
.octave-controls .octave-btn {
  background: var(--octave-btn-bg, #dddddd);
  color: var(--octave-btn-text, #848484);
  border: none;
  border-radius: 6px;
  padding: 8px;
  font-weight: 700;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 2px;
  font-family: 'Sofia Sans Extra Condensed';
  font-size: 18px;
}
.octave-controls .octave-btn:disabled { opacity: 0.3; cursor: not-allowed; filter: grayscale(0.3); transform: none; }
.octave-controls .octave-btn:hover { background: var(--octave-btn-bg-hover, #cfd4d8); color: var(--octave-btn-text-hover, #4e575f); }
.icon{height: 18px;}


.octave-controls polygon {
  fill: currentColor !important;
  stroke: currentColor !important;
}

/* ================= Mapping edit mode (shared) ================= */
.mapping-edit-controls { display:flex; align-items:center; gap:10px; }
.mapping-edit-controls .mapping-edit-actions { display:none; gap:8px; }
.mapping-edit-controls.editing #edit-mapping-btn { display:none; }
.mapping-edit-controls.editing .mapping-edit-actions { display:flex; }
.edit-map-btn, .save-map-btn, .cancel-map-btn, .reset-map-btn { background:#dddddd; color:#4e575f; border:none; border-radius:6px; padding:6px 10px; font-weight:700; cursor:pointer; }
.save-map-btn { background:#63b3ed; color:#fff; }
.cancel-map-btn { background:#90959a; color:#fff; }
.reset-map-btn { background:#ff8000; color:#fff; }

/* Mobile devices - shared controls and toggles */
@media (max-width: 768px) {
  /* body { padding: 5px; } */
  /* Show toggle and tabs on mobile, hide desktop controls container */
  .controls-toggle { display: block; }
  .tab-container { display: block; }
  #piano-controls { display: none; }
  /* Collapsible tabs transition */
  .tab-container { transition: max-height 0.3s ease, opacity 0.3s ease; overflow: hidden; }
  .tab-container.collapsed { max-height: 0 !important; opacity: 0; padding: 0; margin: 0; }
  .tab-container:not(.collapsed) { max-height: 500px; }

  .tab-buttons {margin-bottom:10px;}
  .sub-tabs {margin-bottom:0px;}
  /* Audio overlay fills screen on mobile */
  #audio-loading-overlay { position: fixed; }

  /* Common mobile overlay inner container styling */
  #audio-loading-overlay .audio-init-container {
    /* Use theme tokens when available; fall back to the previous light defaults */
    background: var(--audio-overlay-inner-bg, rgba(255, 255, 255, 0.95));
    padding: 30px;
    border-radius: 15px;
    box-shadow: var(--audio-overlay-inner-shadow, 0 8px 32px rgba(0, 0, 0, 0.2));
    color: var(--audio-init-text, #222);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    min-width: 280px;
    max-width: 90vw;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
  }

  /* Shared mobile control grid improvements */
  .control { grid-template-columns: 1fr auto; grid-template-rows: auto auto; gap: 8px; width: 100%; align-items: center; }
  .control label { grid-column: 1 / -1; text-align: left; font-weight: bold; }
  .control input[type="range"] { grid-column: 1; width: 100%; height: 12px; }
  .control span { grid-column: 2; font-size: 12px; font-family: monospace; color: #333; text-align: center; background: #fff; padding: 4px 8px; border-radius: 4px; border: 1px solid #ccc; min-width: 50px; white-space: nowrap; }
  .control input[type="range"]::-webkit-slider-thumb { width: 28px; height: 28px; }
  .control input[type="range"]::-moz-range-thumb { width: 28px; height: 28px; }
  .control select { grid-column: 1 / -1; width: 100%; padding: 8px; font-size: 14px; -webkit-appearance: menulist; appearance: menulist; background-color: white; border: 1px solid #ccc; border-radius: 4px; margin-top: 4px; }
  .control.control-checkbox { grid-template-columns: 1fr auto; grid-template-rows: 1fr; align-items: center; }
  .control.control-checkbox label { grid-column: 1; font-weight: bold; }
  .control.control-checkbox input[type="checkbox"] { grid-column: 2; justify-self: end; width: 28px; height: 28px; }

  /* Mobile loader sizing */
  .loader-content { padding: 30px; min-width: 200px; }
  .loader-percentage { font-size: 24px; }
  .loader-text { font-size: 12px; }
  .loader-progress { width: 100px; }

  /* Mobile audio-init typography & sizing */
  .audio-init-button { padding: 18px 30px !important; font-size: 18px !important; min-width: 220px !important; }
  .audio-init-text { color: var(--audio-init-text, #666) !important; text-align: center !important; line-height: 1.5 !important;
    background: none !important; padding: 0 !important; box-shadow: none !important; backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important; margin: 0 !important;
  }

  /* Common mobile canvas and controls container */
  #pianoCanvas {
    border: 1px solid #333;
    box-shadow: 3px 3px 10px rgba(0,0,0,0.2);
    max-width: calc(100vw - 10px);
    max-height: calc(100vh - 10px);
    max-height: calc(100dvh - 10px);
  }
  .controls-container { width: calc(100% - 10px); padding: 10px; margin: 0 auto 10px; }

  /* Match small stepper button sizing on mobile */
  .rhythm-start-btn { padding: 6px 12px; font-size: 14px; }
}

/* Ensure desktop always shows the desktop controls and hides mobile tabs at all widths */
body.device-desktop #piano-controls { display:flex !important; }
body.device-desktop .controls-toggle { display:none !important; }
body.device-desktop .tab-container { display:none !important; }

/* Ensure mobile uses the tabs system at all widths (not only via media queries) */
body.device-mobile #piano-controls { display:none !important; }
body.device-mobile .controls-toggle { display:block !important; }
body.device-mobile .tab-container { display:block !important; transition: max-height 0.3s ease, opacity 0.3s ease; overflow: hidden; }
body.device-mobile .tab-container.collapsed { max-height: 0 !important; opacity: 0; padding: 0; margin: 0; }
body.device-mobile .tab-container:not(.collapsed) { max-height: 500px; }

/* Tablet devices (including iPad Pro) - use desktop layout but with some touch optimizations */
@media (min-width: 769px) and (max-width: 1366px) and (pointer: coarse) {
  .control input[type="range"]::-webkit-slider-thumb { width: 22px; height: 22px; }
  .control input[type="range"]::-moz-range-thumb { width: 22px; height: 22px; }
  .control select { padding: 8px; font-size: 14px; }
  .control.control-checkbox input[type="checkbox"] { width: 24px; height: 24px; }
  .audio-init-button { padding: 18px 30px !important; font-size: 18px !important; }
}

/* Landscape orientation - extra height constraints */
@media (orientation: landscape) {
  #pianoCanvas { max-height: calc(100vh - 40px); max-height: calc(100dvh - 40px); }
}

/* Mobile landscape - very constrained height */
@media (max-width: 768px) and (orientation: landscape) {
  #pianoCanvas { max-height: calc(100vh - 60px); max-height: calc(100dvh - 60px); border: 1px solid #333; box-shadow: none; }
  .controls-container { position: relative; width: 100%; padding: 5px; border: 1px solid #ccc; border-radius: 5px; background: rgba(255, 255, 255, 0.95); box-shadow: none; margin: 0 auto; }
  .controls-container { position: relative; width: 100%; padding: 5px; border: 1px solid #ccc; border-radius: 5px; background: var(--controls-bg, #e9e9e9); box-shadow: none; margin: 0 auto; }
}

/* Tablet landscape adjustments */
@media (min-width: 769px) and (max-width: 1024px) and (orientation: landscape) {
  #pianoCanvas { max-height: calc(100vh - 80px); max-height: calc(100dvh - 80px); }
}

/* Mobile landscape - very constrained height (shared) */
@media (max-width: 768px) and (orientation: landscape) {
  #pianoCanvas {
    max-height: calc(100vh - 60px);
    max-height: calc(100dvh - 60px);
    border: 1px solid #333;
    box-shadow: none;
  }
  /* Controls container tweaks can be applied per-app if needed */
}

#pianoCanvas {
    box-shadow: 5px 5px 15px rgba(0,0,0,0.3);
    cursor: pointer;
    touch-action: none;       /* let the app handle touch gestures */
    -ms-touch-action: none;
    -webkit-user-select: none;
    user-select: none;
    max-width: calc(100vw - 20px);
    max-height: calc(100vh - 20px);
    max-height: calc(100dvh - 20px); /* Dynamic viewport height */
    width: auto;
    height: auto;
    object-fit: contain;
    padding: 0 4px;
    border-radius: 7px;
    opacity: 0;
    transition: opacity 0.5s ease-in-out;
    display: flex;
    justify-content: center;
    align-items: center;
    background: #1a1a1a;
    position: relative;
}

/* Safari-specific fixes */
@supports (-webkit-touch-callout: none) {
    @media (orientation: landscape) {
        #pianoCanvas {
            max-height: calc(100vh - 100px) !important;
            max-height: calc(100dvh - 100px) !important;
        }
  /* Removed body fixed positioning — it can prevent scrolling on iPad Safari in landscape.
     If a fixed-page behavior is needed for the piano app, prefer toggling a class on body
     from the piano page JS (for example: document.body.classList.add('piano-fixed')). */
    }
}

/* ================= Vertical FX Tabs ================= */
.effects-group { position: relative; display:flex; flex-direction:column; align-items:stretch; }
.effects-group h4 { width:100%; writing-mode:horizontal-tb; transform:none; }
.effects-group .effects-inner { display:flex; flex-direction:row; width:100%; height: 100%; }
.effects-group .fx-vert-tabs { display:flex; flex-direction:column; width:40px; min-width:40px;}
.effects-group .fx-tab { flex:1; display:flex; align-items:center; justify-content:center; writing-mode:vertical-rl; transform:rotate(180deg); font-size:16px; font-weight:600; user-select:none; cursor:pointer; background:#90959A; color:#2b3035; letter-spacing:.5px; transition:background .18s, color .18s, box-shadow .18s; }
.effects-group .fx-tab.active {background: #63b3ed;color: #2b3035;}
.effects-group .fx-panels { flex:1; display:flex; position:relative; }
.effects-group .fx-panel { display:none; flex-direction:row; gap:5px; width:100%; justify-content: space-evenly;}
.effects-group .fx-panel.active { display:flex; }
.effects-group .fx-tab[data-fx="delay"] {border-top-right-radius: 10px;}

/* Mobile adjustments for effects: apply only on mobile devices */
@media (max-width:768px){
  body.device-mobile .effects-group { flex-direction:row;}
  body.device-mobile .effects-group .fx-panel { flex-wrap:wrap; gap:14px; }
  body.device-mobile .effects-group .fx-tab[data-fx="reverb"] {border-bottom-right-radius: 10px;}
}


#midi-btn {
    padding: 6px 21px;
    background-color: #b0bbc7;
    border-radius: 20px;
    margin: -30px auto 0;
}

#midi-btn img {
    width: 60px;
    height: auto;
    display: block;
}

#midi-modal{
  display: none;
  position: absolute;
  left: 0;
  top: 0;
  width: 100vw;
  height: 100vh;
  background: #000000bd;
  justify-content: center;
  align-items: center;
}

.midi-modal-content{
  display: flex;
  flex-direction: column;
  padding: 20px;
  background: #ffffff;
  margin: 20px;
  border-radius: 10px;
  gap: 15px;
}

.midi-modal-content button{
  padding: 7px;
}

.midi-modal-content select{
  padding: 7px;
}