html {
  box-sizing: border-box;
  height: 100%;
}

*, *:before, *:after {
  box-sizing: inherit;
}

:root {
  --primary-bg: #2c3e50;
  --secondary-bg: #34495e;
  --glass-bg: rgba(52, 73, 94, 0.7);
  --accent-gradient: linear-gradient(90deg, #16a085, #1abc9c);
  --accent-color-start: #16a085;
  --accent-color-end: #1abc9c;
  --text-color: #ecf0f1;
  --highlight-color: rgba(26, 188, 156, 0.3);
  --border-color: rgba(236, 240, 241, 0.1);
  --danger-color: #e74c3c;
  --danger-hover: #c0392b;
  --footer-height: 65px;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: var(--primary-bg);
  background-image: 
    radial-gradient(circle at 1px 1px, rgba(255,255,255,0.05) 1px, transparent 0);
  background-size: 20px 20px;
  color: var(--text-color);
  margin: 0;
  padding: 0;
  height: 100%;
  overflow: hidden;
}

#loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--primary-bg);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  transition: opacity 0.5s ease;
}

.loader {
  border: 5px solid var(--secondary-bg);
  border-top: 5px solid var(--accent-color-end);
  border-radius: 50%;
  width: 50px;
  height: 50px;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.sequencer-app {
  display: none; /* Initially hidden */
  flex-direction: column;
  height: 100%;
  width: 100%;
  max-width: 700px;
  margin: auto;
  background-color: transparent;
}

.sequencer-app.loaded {
  display: flex; /* Show when loaded */
}

.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 15px;
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  z-index: 10;
  flex-shrink: 0;
  flex-wrap: wrap;
}

.header-main-content {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.app-header h1 {
    font-size: 1.2em;
    margin: 0;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: bold;
}

#preset-status-container {
    display: flex;
    align-items: center;
    gap: 10px;
    text-align: left;
    padding: 2px 0;
    margin-top: 4px;
}

#current-preset-status {
    font-size: 0.8em;
    color: var(--text-color);
    background-color: rgba(0,0,0,0.2);
    padding: 3px 8px;
    border-radius: 12px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 150px; /* Adjust as needed */
}

#current-preset-status.editable {
    cursor: pointer;
}

#current-preset-status.editable:hover {
    background-color: rgba(255,255,255,0.1);
}

.manual-save-button {
    background: var(--accent-gradient);
    color: white;
    border: none;
    padding: 4px 10px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.75em;
    transition: all 0.2s ease;
}

.manual-save-button:disabled {
    background: var(--secondary-bg);
    color: #8a9a9a;
    cursor: not-allowed;
    opacity: 0.7;
}

.manual-save-button:not(:disabled):hover {
    opacity: 0.9;
    box-shadow: 0 0 8px var(--highlight-color);
}

.auth-section {
    margin-left: auto;
}


#user-info {
  display: flex;
  align-items: center;
  gap: 8px;
}
#user-name img {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    vertical-align: middle;
    border: 1px solid var(--border-color);
}

#logout-button {
  background: none;
  border: none;
  padding: 8px 10px;
  line-height: 1;
}
#logout-button:hover {
  background: none;
  opacity: 1;
  box-shadow: none;
}
#logout-button i {
  font-size: 1.2em;
  color: var(--danger-color);
}
#logout-button:hover i {
  color: var(--danger-hover);
}


.main-content {
  flex-grow: 1;
  overflow-y: auto;
  padding: 15px;
  padding-bottom: calc(var(--footer-height) + 15px);
}

.playback-grid-area {
  margin-bottom: 15px;
}

.playback-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}

.playback-block {
  background-color: var(--secondary-bg);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 8px;
  font-size: 0.75em;
  min-height: 80px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  transition: all 0.2s ease-out;
  position: relative;
  cursor: pointer;
  word-break: break-word;
}

.playback-block:hover {
  transform: translateY(-3px);
  border-color: var(--accent-color-end);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.playback-block.playing {
  background-color: var(--highlight-color);
  box-shadow: 0 0 12px var(--accent-color-end);
  transform: translateY(0);
}

.playback-block.dragging {
  opacity: 0.4;
}

.playback-block.drag-over {
  border-style: dashed;
  border-color: var(--accent-color-end);
}

.playback-block .step-number-pb {
  position: absolute;
  top: 4px;
  right: 6px;
  font-size: 0.85em;
  color: rgba(224, 224, 224, 0.4);
}

.playback-block .pb-note {
  font-weight: bold;
  color: var(--accent-color-end);
  font-size: 1.2em;
  margin-bottom: 2px;
}

.playback-block .pb-wave {
  font-size: 0.9em;
  margin-bottom: 4px;
  color: rgba(224, 224, 224, 0.8);
}

.pb-volume-container {
  width: 80%;
  height: 6px;
  background-color: var(--primary-bg);
  border: 1px solid var(--border-color);
  border-radius: 3px;
  overflow: hidden;
}

.pb-volume-bar {
  height: 100%;
  background: var(--accent-gradient);
  width: 50%;
  transition: width 0.2s ease-in-out;
}

.controls-area {
  display: flex;
  flex-direction: column;
  gap: 15px;
  padding: 20px;
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--border-color);
  border-radius: 12px;
}

.control-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.control-group label {
  font-size: 0.9em;
  color: var(--text-color);
  margin-bottom: 2px;
  font-weight: 500;
}

.playback-controls-immediate {
  display: flex;
  gap: 10px;
  flex-direction: row;
}

.playback-controls-immediate button {
  flex-grow: 1;
  padding: 12px 10px;
  background: var(--accent-gradient);
  color: white;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-weight: bold;
  transition: all 0.2s ease;
}
.playback-controls-immediate button:hover {
  opacity: 0.9;
  box-shadow: 0 0 10px var(--highlight-color);
}
.playback-controls-immediate .stop-button {
  background: var(--danger-color);
}
.playback-controls-immediate .stop-button:hover {
  background: var(--danger-hover);
  box-shadow: 0 0 10px rgba(231, 76, 60, 0.5);
}

.bpm-input-wrapper {
  display: flex;
  align-items: center;
}
.bpm-input-wrapper input[type="number"]#bpm {
  flex-grow: 1;
  text-align: center;
  margin: 0 5px;
  padding: 8px 5px;
  border-radius: 6px;
  border: 1px solid var(--border-color);
  background-color: var(--primary-bg);
  color: var(--text-color);
  -moz-appearance: textfield;
}
.bpm-input-wrapper input[type="number"]#bpm::-webkit-outer-spin-button,
.bpm-input-wrapper input[type="number"]#bpm::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.bpm-adjust {
  background-color: var(--secondary-bg);
  color: var(--text-color);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 0 10px;
  min-width: 38px;
  height: 34px;
  cursor: pointer;
  transition: background-color 0.2s ease;
}
.bpm-adjust:hover {
  background-color: #3e5771;
}

.settings-button-group {
  display: grid;
  gap: 8px;
  width: 100%;
}
.settings-button-group.sequence-max-buttons {
  grid-template-columns: repeat(auto-fill, minmax(40px, 1fr));
}
#note-duration-buttons {
  grid-template-columns: repeat(auto-fill, minmax(65px, 1fr));
}
.settings-button-group button {
  padding: 8px 0;
  font-size: 0.8em;
  background-color: var(--secondary-bg);
  color: var(--text-color);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  cursor: pointer;
  min-height: 32px;
  transition: all 0.2s ease;
}
.settings-button-group button.active {
  background: var(--accent-gradient);
  border-color: transparent;
  color: white;
  font-weight: bold;
}
.settings-button-group button:hover:not(.active) {
  background-color: var(--secondary-bg);
  border-color: var(--accent-color-end);
}


.app-footer {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  width: 100%;
  z-index: 10;
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-top: 1px solid var(--border-color);
  margin: auto;
  max-width: 700px;
}

.footer-toolbar {
  display: flex;
  justify-content: space-around;
  align-items: center;
  height: var(--footer-height);
  padding: 0 10px;
}

.toolbar-button {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  background: none;
  border: none;
  color: var(--text-color);
  font-size: 0.75em;
  cursor: pointer;
  padding: 5px;
  border-radius: 8px;
  width: 60px;
  height: 100%;
  transition: background-color 0.2s ease;
}
.toolbar-button:hover {
  background-color: rgba(255,255,255,0.1);
}
.toolbar-button .icon-placeholder {
    font-size: 1.7em;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.toolbar-button span {
    font-size: 0.75em;
}

.toolbar-button-center {
    width: 56px !important;
    height: 56px !important;
    border-radius: 50% !important;
    background: var(--accent-gradient) !important;
    color: white !important;
    transform: translateY(-15px);
    border: 3px solid var(--primary-bg) !important;
    box-shadow: 0 0 15px rgba(0,0,0,0.3);
}

.toolbar-button-center:hover {
    transform: translateY(-15px) scale(1.05);
}

.toolbar-button-center .icon-placeholder {
    font-size: 1.8em !important;
    background: none !important;
    -webkit-text-fill-color: white !important;
}

.toolbar-button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    background-color: transparent !important;
}

.toolbar-button:disabled:hover {
    background-color: transparent !important;
}

.footer-credits {
  padding: 15px;
  text-align: center;
  font-size: 0.8em;
  color: rgba(224, 224, 224, 0.7);
}
.footer-credits p { margin: 5px 0; }
.footer-credits a {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-decoration: none;
}
.footer-credits a:hover { text-decoration: underline; }


/* Modal Styles */
.modal {
  position: fixed; z-index: 1000; left: 0; top: 0; width: 100%; height: 100%;
  background-color: rgba(0, 0, 0, 0.7);
  display: none; align-items: center; justify-content: center;
  opacity: 0; transition: opacity 0.3s ease-in-out;
}
.modal.active { display: flex; opacity: 1; }
.modal-content {
  background: var(--glass-bg);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  padding: 25px; border-radius: 12px;
  width: 90%; max-width: 550px;
  border: 1px solid var(--border-color);
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  position: relative; max-height: 85vh; overflow-y: auto;
  display: flex; flex-direction: column;
  transform: scale(0.95); transition: transform 0.3s ease-in-out;
}
.modal.active .modal-content { transform: scale(1); }
.modal-content h3 {
  margin-top: 0;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-align: center; margin-bottom: 25px;
  font-size: 1.4em;
}
.modal-content .modal-controls { flex-grow: 1; overflow-y: auto; padding-right: 5px; }
.close-button {
  color: var(--text-color); position: absolute; top: 15px; right: 20px;
  font-size: 28px; font-weight: bold; cursor: pointer;
  transition: color 0.2s ease;
}
.close-button:hover { color: var(--accent-color-end); }
.modal-controls div:not(.button-selector-group):not(.volume-slider-wrapper) { margin-bottom: 15px; }
.modal-controls label { display: block; margin-bottom: 8px; font-size: 0.9em; }
input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  background: transparent;
  cursor: pointer;
}
input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  background: transparent;
  cursor: pointer;
}
/* Specific width for modal sliders */
.modal-controls input[type="range"] {
   width: calc(100% - 50px);
}
input[type="range"]::-webkit-slider-runnable-track {
  background: linear-gradient(to right, var(--accent-color-end) var(--fill-percent, 0%), var(--secondary-bg) var(--fill-percent, 0%));
  height: 6px;
  border-radius: 3px;
}
input[type="range"]::-moz-range-track {
  background: linear-gradient(to right, var(--accent-color-end) var(--fill-percent, 0%), var(--secondary-bg) var(--fill-percent, 0%));
  height: 6px;
  border-radius: 3px;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  margin-top: -5px; /* (track-height - thumb-height) / 2 */
  background-color: var(--accent-color-end);
  height: 16px;
  width: 16px;
  border-radius: 50%;
  border: 2px solid var(--secondary-bg);
  transition: box-shadow 0.2s ease;
}
input[type="range"]::-moz-range-thumb {
  background-color: var(--accent-color-end);
  height: 16px;
  width: 16px;
  border-radius: 50%;
  border: 2px solid var(--secondary-bg);
  transition: box-shadow 0.2s ease;
}
input[type="range"]:not(:disabled)::-webkit-slider-thumb:hover {
  box-shadow: 0 0 8px var(--highlight-color);
}
input[type="range"]:not(:disabled)::-moz-range-thumb:hover {
  box-shadow: 0 0 8px var(--highlight-color);
}
.modal-controls input[type="range"]+span { margin-left: 10px; }

/* --- FX Slot styles --- */
#fx-slots-container {
  grid-template-columns: repeat(3, 1fr);
}
.fx-slot-button {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 10px 5px !important;
  min-height: 50px !important;
  gap: 4px;
  font-size: 1em !important;
  font-weight: bold;
  background-color: var(--secondary-bg) !important;
  border: 1px solid var(--border-color) !important;
  color: var(--text-color) !important;
}
.fx-slot-button .fx-type-name {
  font-size: 0.7em;
  font-weight: normal;
  color: rgba(236, 240, 241, 0.7);
}
.fx-slot-button.active {
  background: var(--accent-gradient) !important;
  border-color: transparent !important;
  color: white !important;
}
.fx-slot-button.active .fx-type-name {
  color: white;
}

/* --- FX Edit Modal --- */
#fx-edit-modal .modal-content {
    max-width: 450px;
}
#fx-params-container {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-top: 20px;
    padding: 15px;
    background-color: rgba(0,0,0,0.2);
    border-radius: 8px;
}
.fx-param-control {
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.fx-param-control label {
    margin-bottom: 0;
}
.fx-param-control .slider-wrapper {
    display: flex;
    align-items: center;
    gap: 10px;
}
.fx-param-control input[type="range"] {
    flex-grow: 1;
}
.fx-param-control .button-selector-group.fx-param-buttons {
    grid-template-columns: repeat(auto-fill, minmax(65px, 1fr));
}

.fx-param-control .button-selector-group button {
    aspect-ratio: auto;
    min-height: 40px;
    padding: 8px 6px;
}

#fx-type-select {
    width: 100%;
    padding: 10px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    background-color: var(--primary-bg);
    color: var(--text-color);
}
.fx-control-group {
    margin-bottom: 15px;
}
.fx-control-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.9em;
}

.modal-main-action-button, .modal-controls button:not(.button-selector-group button):not(.clear-selection-button) {
  padding: 12px 20px; background: var(--accent-gradient); color: white;
  border: none; border-radius: 8px; cursor: pointer; width: 100%; margin-top: 20px;
  transition: all 0.2s ease;
}
.modal-main-action-button:hover, .modal-controls button:not(.button-selector-group button):not(.clear-selection-button):hover {
  opacity: 0.9;
  box-shadow: 0 0 10px var(--highlight-color);
}
.button-group-container { margin-bottom: 15px; }
.button-selector-group { display: grid; gap: 8px; }
.button-selector-group.note-buttons { grid-template-columns: repeat(auto-fill, minmax(42px, 1fr)); }
.button-selector-group.octave-buttons, #random-generate-modal .button-selector-group.sequence-max-buttons { grid-template-columns: repeat(auto-fill, minmax(40px, 1fr)); }
.button-selector-group.waveform-buttons { grid-template-columns: repeat(auto-fill, minmax(85px, 1fr)); }
.button-selector-group button {
  padding: 0; aspect-ratio: 1 / 1; min-height: 42px;
  font-size: 0.85em; background-color: var(--secondary-bg); color: var(--text-color);
  border: 1px solid var(--border-color); border-radius: 8px; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: all 0.2s ease;
}
.button-selector-group.waveform-buttons button { aspect-ratio: auto; padding: 8px 6px; }
.button-selector-group button.active { background: var(--accent-gradient); border-color: transparent; color: white; font-weight: bold; }
.button-selector-group button:hover:not(.active) { background-color: var(--secondary-bg); border-color: var(--accent-color-end); }
#random-generate-modal .modal-controls select#rg-chord-type {
  width: 100%; padding: 10px; border-radius: 6px; border: 1px solid var(--border-color);
  background-color: var(--primary-bg); color: var(--text-color);
}
.volume-control-container { padding: 10px; border: 1px solid var(--border-color); border-radius: 8px; background-color: rgba(0,0,0,0.2); }
.volume-slider-wrapper { display: flex; align-items: center; margin-bottom: 8px; }
.clear-selection-button {
  background-color: var(--secondary-bg) !important; font-size: 0.8em !important;
  padding: 6px 10px !important; margin-top: 0 !important; width: auto !important;
  border: 1px solid var(--border-color) !important; color: var(--text-color) !important;
}
#save-preset-modal input[type="text"], #save-preset-modal textarea {
  width: 100%; padding: 10px; border-radius: 6px; border: 1px solid var(--border-color);
  background-color: var(--primary-bg); color: var(--text-color); font-size: 1em;
}
#save-preset-modal textarea { resize: vertical; min-height: 60px; }

/* --- New Save Modal Styles --- */
.input-container {
    margin-bottom: 20px;
}
.input-container > label,
.input-with-icon > label {
    font-weight: bold;
    font-size: 0.9em;
    margin-bottom: 8px;
    display: block;
}
.emphasized-input {
    border: 2px solid var(--accent-color-start) !important;
    padding: 10px !important;
    width: 100%;
}
.input-with-icon {
    position: relative;
    margin-bottom: 20px;
}
.input-with-icon > i {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--accent-color-end);
    font-size: 0.9em;
}
.input-with-icon > input,
.input-with-icon > textarea {
    padding-left: 40px !important;
    width: 100%;
}
.required-star {
    color: var(--danger-color);
    font-weight: bold;
}
.tag-input-container .input-with-icon {
    display: flex;
    align-items: center;
    background-color: var(--primary-bg);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding-right: 10px;
}
.tag-input-container .input-with-icon > i {
    position: static;
    transform: none;
    padding: 0 10px;
}
#tag-display-container {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 10px; /* Add space above the tags */
}
.tag-badge {
    display: flex;
    align-items: center;
    background-color: var(--secondary-bg);
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.85em;
    white-space: nowrap; /* Prevent tags from wrapping */
}
.tag-badge .remove-tag {
    margin-left: 6px;
    cursor: pointer;
    font-weight: bold;
}
#preset-tags-input {
    background: none;
    border: none;
    color: var(--text-color);
    flex-grow: 1;
    min-width: 100px;
    padding: 10px 5px;
}
#preset-tags-input:focus {
    outline: none;
}
#save-preset-button:disabled {
    background: var(--secondary-bg);
    cursor: not-allowed;
    opacity: 0.6;
}
#save-preset-button:disabled:hover {
    box-shadow: none;
    opacity: 0.6;
}



/* Desktop & Tablet Styles */
@media (min-width: 700px) {
  body {
    padding: 40px 20px;
    height: auto;
    overflow: auto;
  }
  .sequencer-app {
    border-radius: 12px;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    border: 1px solid var(--border-color);
    height: auto;
  }
  .main-content {
    padding-bottom: 15px;
  }
  .app-footer {
    position: static;
    background: none;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    box-shadow: none;
    padding: 10px 0 0 0;
    border-top: 1px solid var(--border-color);
  }
  .footer-toolbar {
    height: auto;
    justify-content: center;
    gap: 15px;
    padding: 10px 0;
  }
  .toolbar-button {
    flex-direction: row;
    gap: 8px;
    width: auto;
    height: auto;
    padding: 10px 20px;
    background-color: var(--secondary-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
  }
  .toolbar-button .icon-placeholder {
    font-size: 1em;
  }
  .toolbar-button span:last-child {
    font-size: 0.9em;
    font-weight: bold;
  }
  
}

/* --- Mobile Header Adjustments --- */
@media (max-width: 699px) {
  .app-header {
    padding: 5px 10px;
  }
  .app-header h1 {
    font-size: 1em;
  }
  #user-info {
    gap: 5px;
  }
  #user-name {
    font-size: 0.8em;
  }
}

/* --- Mobile Controls Adjustments --- */
@media (max-width: 699px) {
  .main-content {
    padding: 10px;
    padding-bottom: calc(var(--footer-height) + 10px);
  }
  .playback-grid {
    gap: 8px;
  }
  .playback-block {
    min-height: 75px;
    padding: 6px;
    font-size: 0.7em;
  }
  .controls-area {
    padding: 15px;
    gap: 12px;
  }
  .playback-controls-immediate button {
    padding: 10px 8px;
  }
  .bpm-adjust {
    min-width: 36px;
    height: 32px;
  }
  .bpm-input-wrapper input[type="number"]#bpm {
    padding: 7px 5px;
  }
  .settings-button-group.sequence-max-buttons {
    grid-template-columns: repeat(auto-fill, minmax(38px, 1fr));
  }
  #note-duration-buttons {
    grid-template-columns: repeat(auto-fill, minmax(60px, 1fr));
  }
}

/* --- Mobile Modal Adjustments --- */
@media (max-width: 699px) {
  .modal-content {
    width: 95%;
    padding: 20px;
    max-height: 90vh;
  }
  .modal-content h3 {
    font-size: 1.2em;
    margin-bottom: 20px;
  }
  .button-selector-group button {
    min-height: 40px;
  }
  .modal-main-action-button, .modal-controls button:not(.button-selector-group button):not(.clear-selection-button) {
    padding: 12px 15px;
  }
}

/* --- Load Preset Modal --- */
#load-preset-modal .modal-content {
    max-width: 800px; /* Increased width for grid */
}
#load-preset-modal .modal-body {
  flex-grow: 1;
  overflow-y: auto;
  margin-top: 15px;
  padding-right: 10px;
  max-height: 60vh;
}
.preset-list-controls {
  display: flex;
  flex-direction: column;
  gap: 15px;
  margin-bottom: 10px;
}
#search-box {
  width: 100%;
  padding: 10px;
  border-radius: 6px;
  border: 1px solid var(--border-color);
  background-color: var(--primary-bg);
  color: var(--text-color);
  font-size: 0.9em;
}
#tag-filter-container {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.tag-filter-button {
  padding: 5px 10px;
  font-size: 0.8em;
  background-color: var(--secondary-bg);
  color: var(--text-color);
  border: 1px solid var(--border-color);
  border-radius: 15px;
  cursor: pointer;
}
.tag-filter-button.active {
  background: var(--accent-gradient);
  border-color: transparent;
  color: white;
}

.preset-grid {
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 15px;
}

.preset-card-item {
  background-color: var(--secondary-bg);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  transition: all 0.2s ease;
  display: flex;
  flex-direction: column;
  overflow: hidden; /* Ensures content respects border-radius */
}

.preset-card-content {
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex-grow: 1;
}

.preset-card-content h3 {
  margin: 0;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-size: 1.1em;
  text-align: left;
}
.preset-card-content p {
  margin: 0;
  font-size: 0.8em;
  color: #bdc3c7;
  line-height: 1.4;
  flex-grow: 1; /* Pushes tags and actions down */
}
.preset-timestamp {
    font-size: 0.7em;
    color: #95a5a6;
    margin-bottom: 4px;
}
.preset-card-content .tags {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
}
.preset-card-content .tag {
  background-color: var(--primary-bg);
  color: var(--text-color);
  padding: 2px 7px;
  border-radius: 10px;
  font-size: 0.7em;
}
.preset-card-content .actions {
  display: grid;
  grid-template-columns: 3fr 1.5fr 1.5fr 4fr;
  gap: 8px;
  margin-top: 8px;
  align-items: center;
}
.preset-card-content .action-button {
  background-color: transparent;
  color: var(--text-color);
  border: 1px solid var(--border-color);
  padding: 8px 5px; /* Adjusted padding for height */
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.8em;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center; /* Center content */
  gap: 5px;
  white-space: nowrap; /* Prevent text wrapping */
}
.preset-card-content .action-button:hover {
    background-color: var(--primary-bg);
    border-color: var(--accent-color-end);
}
.preset-card-content .action-button.delete {
    background-color: rgba(231, 76, 60, 0.2);
    border-color: rgba(231, 76, 60, 0.5);
}
.preset-card-content .action-button.delete:hover {
  background-color: var(--danger-hover);
  border-color: var(--danger-hover);
}
.preset-card-content .action-button.load {
    background: var(--accent-gradient);
    border: none;
}
.preset-card-content .action-button.load:hover {
  opacity: 0.9;
}
.preset-card-content .action-button.preview.playing {
    background-color: var(--accent-color-start);
    border-color: var(--accent-color-end);
}
.preset-card-content .action-button i {
    font-size: 0.9em;
}

#no-results-message {
  text-align: center;
  padding: 20px;
  color: #95a5a6;
}

.loading-spinner {
    border: 4px solid var(--secondary-bg);
    border-top: 4px solid var(--accent-color-end);
    border-radius: 50%;
    width: 30px;
    height: 30px;
    animation: spin 1s linear infinite;
    margin: 20px auto;
}

/* --- Toast Notification --- */
#toast-container {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2000;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  pointer-events: none;
}
.toast-message {
  background-color: rgba(0, 0, 0, 0.85);
  color: white;
  padding: 10px 20px;
  border-radius: 25px;
  font-size: 0.9em;
  box-shadow: 0 3px 10px rgba(0,0,0,0.3);
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}
.toast-message.show {
  opacity: 1;
  transform: translateY(0);
}
.toast-message.error {
  background-color: var(--danger-color);
}
.toast-message.success {
  background: var(--accent-gradient);
}

/* --- Confirmation Modal --- */
#confirmation-modal .modal-content {
    max-width: 400px;
    text-align: center;
}
#confirmation-modal-message {
    margin: 10px 0 25px;
    line-height: 1.5;
}
.confirmation-buttons {
    display: flex;
    gap: 10px;
    justify-content: center;
}
.confirmation-buttons button {
    padding: 8px 12px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    width: auto;
    margin-top: 0;
    min-width: 80px;
    font-size: 0.8em;
    transition: all 0.2s ease;
}
.modal-secondary-action-button {
    background-color: var(--secondary-bg);
    color: var(--text-color);
}
.modal-secondary-action-button:hover {
    background-color: #2a2a4a;
}
#confirmation-modal-confirm-button.danger {
    background-color: var(--danger-color);
}
#confirmation-modal-confirm-button.danger:hover {
    background-color: var(--danger-hover);
}

/* --- Effects Controls --- */
.effects-control-group {
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  padding-top: 15px !important;
  padding-bottom: 15px !important;
}
.effect-control {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 5px;
}
.effect-label {
  width: 60px;
  font-size: 0.9em;
}
.effect-slider-container {
  flex-grow: 1;
}
.effect-slider-container input[type="range"] {
  width: 100%;
  margin: 0;
}
input[type="range"]:disabled {
  opacity: 0.5;
}
.effect-details-group {
  padding-left: 70px;
  display: flex;
  flex-direction: column;
  gap: 5px;
  margin-top: 5px;
}
.effect-label-small {
  width: 80px;
  font-size: 0.8em;
  color: #bdc3c7;
}

/* --- Toggle Switch --- */
.toggle-switch-container {
    flex-direction: row !important;
    justify-content: space-between;
    align-items: center;
}
.toggle-switch {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
  flex-shrink: 0;
}
.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}
.toggle-slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--secondary-bg);
  transition: .4s;
  border-radius: 24px;
}
.toggle-slider:before {
  position: absolute;
  content: "";
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  transition: .4s;
  border-radius: 50%;
}
input:checked + .toggle-slider {
  background: var(--accent-gradient);
}
input:focus + .toggle-slider {
  box-shadow: 0 0 1px var(--accent-color-end);
}
input:checked + .toggle-slider:before {
  transform: translateX(20px);
}

.twitter-login-button {
    background: #1DA1F2; /* Twitter Blue */
    color: white !important;
    border: none;
    padding: 8px 16px;
    border-radius: 16px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px; /* アイコンとテキストの間隔 */
    font-weight: bold;
    font-size: 0.9em !important;
    transition: background-color 0.3s;
    text-decoration: none; /* In case it's a link */
}

.twitter-login-button:hover {
    background-color: #0c85d0; /* 少し濃い青 */
    opacity: 1;
}

.twitter-login-button .fa-twitter {
    font-size: 1.2em;
}


#login-button {
    background-color: #1DA1F2; /* Twitter Blue */
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 16px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px; /* アイコンとテキストの間隔 */
    font-weight: bold;
    transition: background-color 0.3s;
}

#login-button:hover {
    background-color: #0c85d0; /* 少し濃い青 */
}

#login-button .fa-x-twitter {
    font-size: 1.2em;
}