/* Main styles from original style.css */
:root {
    --primary-bg: #f0f2f5; --secondary-bg: #ffffff; --header-bg: #2c3e50;
    --accent-color: #3498db; --success-color: #27ae60; --danger-color: #c0392b; --live-color: #f1c40f;
    --text-color: #2c3e50; --light-text: #ecf0f1; --border-color: #dfe4ea;
    --shadow: 0 4px 12px rgba(0,0,0,0.08); --panel-header-bg: #f9fafb;
}
*, *::before, *::after { box-sizing: border-box; }
body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; margin: 0; background-color: var(--primary-bg); color: var(--text-color); font-size: 14px; overflow: hidden; height: 100vh; display: flex; flex-direction: column; }
header { background-color: var(--header-bg); color: var(--light-text); padding: 10px 20px; text-align: center; box-shadow: 0 2px 4px rgba(0,0,0,0.2); flex-shrink: 0; }
header h1 { margin: 0; font-size: 1.5rem; }
#presenter-controls-panel { padding: 10px 20px; background-color: var(--secondary-bg); border-bottom: 1px solid var(--border-color); display: flex; flex-wrap: wrap; align-items: flex-end; gap: 20px; flex-shrink: 0; }
.control-group { display: flex; flex-direction: column; }
.control-group label { margin-bottom: 5px; font-size: 0.8rem; font-weight: 500; text-transform: uppercase; color: #7f8c8d; }
.control-group .button-group { display: flex; align-items: center; gap: 5px; }
.main-container { display: grid; grid-template-columns: 3fr 5fr 3fr; gap: 1rem; padding: 1rem; flex-grow: 1; min-height: 0; }
.panel { background-color: var(--secondary-bg); border-radius: 8px; box-shadow: var(--shadow); display: flex; flex-direction: column; overflow: hidden; border: 1px solid var(--border-color); }
.panel-header { padding: 12px 15px; border-bottom: 1px solid var(--border-color); font-weight: 600; font-size: 1.1rem; display: flex; justify-content: space-between; align-items: center; background-color: var(--panel-header-bg); flex-shrink: 0; }
.panel-content { overflow-y: auto; padding: 0; flex-grow: 1; }
.panel-footer { padding: 8px; border-top: 1px solid var(--border-color); background-color: var(--panel-header-bg); flex-shrink: 0; }
.filter-input { width: 100%; padding: 8px 12px; border: 1px solid var(--border-color); border-radius: 6px; }
.btn { padding: 6px 12px; border: 1px solid transparent; border-radius: 6px; cursor: pointer; font-weight: 600; transition: all 0.2s; display: inline-flex; align-items: center; gap: 8px; font-size: 0.9rem; }
.btn:disabled { background-color: #dfe4ea !important; color: #95a5a6 !important; cursor: not-allowed; border-color: #dfe4ea !important; }
.btn-primary { background-color: var(--accent-color); color: var(--light-text); border-color: var(--accent-color); }
.btn-secondary { background-color: #ecf0f1; color: var(--text-color); border-color: #bdc3c7; }
.btn-icon { padding: 6px; }
#left-panel { display: flex; flex-direction: column; gap: 1rem; }
#left-panel .panel { flex: 1; min-height: 0; }
/* List Styles */
.clickable-list { list-style: none; padding: 0; margin: 0; }
.list-item { padding: 10px 15px; border-bottom: 1px solid var(--border-color); display: flex; justify-content: space-between; align-items: center; cursor: pointer; }
.list-item:hover { background-color: #f8f9f9; }
.list-item .item-actions { display: none; visibility: hidden; }
.list-item:hover .item-actions { display: flex; visibility: visible; gap: 5px; }
.list-item.active { background-color: #eaf5fc; font-weight: bold; }
.playlist-item { cursor: grab; }
.playlist-item.active { background-color: #eaf5fc; }
.playlist-item.active-live { background-color: #fef9e7; }
.item-title { font-weight: 500; }
.item-details { font-size: 0.8rem; color: #7f8c8d; }
/* Slide Sorter */
#slide-sorter-view { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 10px; padding: 10px; align-content: flex-start; }
.slide-thumbnail { border: 2px solid var(--border-color); border-radius: 4px; background-color: #fdfdfd; aspect-ratio: 16/9; display: flex; flex-direction: column; overflow: hidden; cursor: pointer; }
.slide-thumbnail.active-live { border-color: var(--live-color); }
.slide-label { background-color: var(--panel-header-bg); padding: 4px 8px; font-size: 0.8rem; font-weight: bold; text-align: left; border-bottom: 1px solid var(--border-color); }
.slide-preview { flex-grow: 1; display: flex; align-items: center; justify-content: center; text-align: center; padding: 5px; font-size: 10px; overflow: hidden; color: #333; }
/* Modal & Context Menu */
.modal-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.6); display: none; justify-content: center; align-items: center; z-index: 1000; }
.modal-content { background: var(--secondary-bg); border-radius: 8px; width: 90%; max-width: 600px; box-shadow: 0 10px 25px rgba(0,0,0,0.2); display:flex; flex-direction: column; max-height: 90vh;}
.modal-body { padding: 1.5rem; overflow-y: auto; }
.form-group { margin-bottom: 1rem; }
.form-group label { display: block; font-weight: 500; margin-bottom: 0.5rem; }
.form-group input, .form-group textarea, .form-group select { width: 100%; padding: 0.75rem; border: 1px solid var(--border-color); border-radius: 6px; }
.context-menu { position: fixed; z-index: 2000; background-color: var(--secondary-bg); border-radius: 6px; box-shadow: 0 5px 15px rgba(0,0,0,0.2); padding: 5px 0; min-width: 180px; }
.context-menu-item { padding: 8px 15px; cursor: pointer; }
.context-menu-item:hover { background-color: #f0f2f5; }
.context-menu-divider { border-top: 1px solid var(--border-color); margin: 5px 0; }
.dragging { opacity: 0.5; background: #eaf5fc; }
/* Deployment Test heading style */
.deployment-test {
    color: green;
}

/* Exit Presenter button float style */
#exitButton {
    float: right;
}

/* Three-pane operator layout */
#main-operator-layout {
  display: flex;
  width: 100vw;
  height: calc(100vh - 100px);
  min-height: 400px;
  position: relative;
}
.pane {
  min-width: 280px;
  height: 100%;
  overflow: auto;
  background: var(--secondary-bg);
  border-right: 1px solid var(--border-color);
  transition: width 0.2s;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
}
.pane-left { width: 320px; }
.pane-middle { flex: 1; min-width: 280px; }
.pane-right { width: 320px; border-right: none; }
.pane-footer { padding: 10px; border-top: 1px solid var(--border-color); background: var(--panel-header-bg); }
.pane-resizer {
  width: 6px;
  background: #ccc;
  cursor: ew-resize;
  position: absolute;
  top: 0;
  bottom: 0;
  z-index: 10;
}
#pane-resizer-left { left: 320px; }
#pane-resizer-right { right: 320px; }
.collapsible-section {
  border-bottom: 1px solid var(--border-color);
}
.section-header {
  font-weight: bold;
  padding: 10px;
  background: var(--panel-header-bg);
  cursor: pointer;
  outline: none;
}
.section-content {
  padding: 10px;
}
.media-bin-header {
  font-weight: bold;
  padding: 10px;
  background: var(--panel-header-bg);
  border-bottom: 1px solid var(--border-color);
}
.media-list {
  flex: 1;
  overflow-y: auto;
  padding: 10px;
}
.media-add {
  padding: 10px;
  border-top: 1px solid var(--border-color);
  background: var(--panel-header-bg);
}
input:focus, button:focus {
  outline: 2px solid var(--accent-color);
  outline-offset: 2px;
}
@media (max-width: 900px) {
  .pane-left, .pane-right { width: 220px; min-width: 180px; }
  #pane-resizer-left { left: 220px; }
  #pane-resizer-right { right: 220px; }
}
@media (max-width: 600px) {
  #main-operator-layout { flex-direction: column; }
  .pane { min-width: 100vw; width: 100vw; }
  #pane-resizer-left, #pane-resizer-right { display: none; }
}

/* Operator UI Enhancements */
#top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--panel-header-bg);
  border-bottom: 1px solid var(--border-color);
  padding: 8px 16px;
  gap: 16px;
  position: relative;
  z-index: 20;
}
.top-bar-group {
  display: flex;
  align-items: center;
  gap: 8px;
}
.slide-sorter-group {
  flex: 1;
  justify-content: center;
}
#slide-sorter-strip {
  display: flex;
  gap: 4px;
  align-items: center;
  min-height: 40px;
}
.slide-thumbnail {
  width: 60px;
  height: 40px;
  border: 2px solid var(--border-color);
  border-radius: 4px;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  cursor: pointer;
  transition: border-color 0.2s;
}
.slide-thumbnail.active-live {
  border-color: var(--accent-color);
  background: #eaf5fc;
}
#help-btn {
  margin-left: auto;
}
.media-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.media-list li {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-bottom: 1px solid var(--border-color);
  cursor: grab;
  background: #fff;
  transition: background 0.2s;
}
.media-list li.dragging {
  opacity: 0.5;
  background: #eaf5fc;
}
.media-list .media-type-icon {
  font-size: 1.2em;
  margin-right: 4px;
}
.media-list .media-actions {
  margin-left: auto;
  display: flex;
  gap: 4px;
}
#media-preview img,
#media-preview video {
    max-width: 100%;
    max-height: 120px;
    display: block;
    margin: 0 auto;
}
#media-preview audio {
    width: 100%;
    display: block;
    margin: 0 auto;
}
.media-thumb {
    display: block;
    margin: 4px auto;
    border-radius: 4px;
}
.media-item video.media-thumb {
    max-width: 60px;
    max-height: 40px;
}
#pane-middle video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 8px;
}
#media-upload-progress {
    width: 100%;
    margin-bottom: 8px;
}
#media-upload-bar {
    height: 8px;
    background: #4caf50;
    border-radius: 4px;
    transition: width 0.2s;
}