/* Modern, Premium Presentation Runner Style */
:root {
  --bg-color: #030a16;
  --panel-bg: rgba(6, 20, 38, 0.6);
  --panel-border: rgba(0, 183, 235, 0.25);
  --accent-cyan: #00FFDA;
  --accent-blue: #00B7EB;
  --accent-indigo: #2D7DFF;
  --text-primary: #FFFFFF;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;
  --font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --glow-shadow: 0 0 20px rgba(0, 183, 235, 0.35);
  --glow-shadow-cyan: 0 0 20px rgba(0, 255, 218, 0.4);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-family);
  background-color: var(--bg-color);
  color: var(--text-primary);
  height: 100vh;
  width: 100vw;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

/* Background Mesh Gradient */
.background-mesh {
  position: absolute;
  inset: 0;
  z-index: 0;
  background: 
    radial-gradient(circle at 10% 20%, rgba(45, 125, 255, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 90% 80%, rgba(0, 255, 218, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 50% 50%, rgba(6, 26, 51, 0.95) 0%, #030712 100%);
  pointer-events: none;
}

/* Main Layout */
.app-container {
  position: relative;
  z-index: 10;
  display: flex;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

/* Top Progress Bar */
.top-progress-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: rgba(255, 255, 255, 0.05);
  z-index: 100;
}

.top-progress-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent-indigo), var(--accent-blue), var(--accent-cyan));
  box-shadow: 0 0 8px var(--accent-cyan);
  transition: width 0.3s ease;
}

/* Presentation Canvas */
.canvas-container {
  flex: 1;
  display: flex;
  flex-direction: column;
  position: relative;
  height: 100%;
  overflow: hidden;
  align-items: center;
  justify-content: center;
  padding: 10px 10px 56px 10px; /* Reduced vertical padding to make slide bigger */
}

.slide-wrapper {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.slide-frame {
  position: absolute;
  top: 50%;
  left: 50%;
  margin-top: -360px; /* -height / 2 */
  margin-left: -640px; /* -width / 2 */
  width: 1280px;
  height: 720px;
  border: none;
  background-color: #061A33;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.6);
  border-radius: 8px;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
  transform-origin: center center;
}

.slide-frame.active {
  opacity: 1;
  pointer-events: auto;
  z-index: 2;
}

.slide-frame.inactive {
  opacity: 0;
  pointer-events: none;
  z-index: 1;
}

/* Bottom Glassmorphic Control Panel */
.controls-panel {
  position: absolute;
  bottom: 10px; /* Placed closer to bottom */
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 10px; /* Slimmed gap */
  padding: 6px 16px; /* Slimmed padding */
  background: var(--panel-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--panel-border);
  border-radius: 40px;
  z-index: 50;
  box-shadow: 0 10px 40px -10px rgba(0, 0, 0, 0.5), 0 0 15px rgba(0, 183, 235, 0.1);
  transition: all 0.3s ease;
}

.controls-panel:hover {
  border-color: rgba(0, 255, 218, 0.4);
  box-shadow: 0 10px 45px -10px rgba(0, 0, 0, 0.6), 0 0 20px rgba(0, 255, 218, 0.15);
}

.control-group {
  display: flex;
  align-items: center;
  gap: 8px; /* Slimmed gap */
}

.divider {
  width: 1px;
  height: 16px; /* Slimmed height */
  background: rgba(255, 255, 255, 0.1);
}

/* Glassmorphic Buttons */
.btn-control {
  background: transparent;
  border: none;
  color: var(--text-primary);
  width: 30px; /* Slimmer buttons */
  height: 30px; /* Slimmer buttons */
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  outline: none;
}

.btn-control i {
  font-size: 12px; /* Smaller icon font size */
}

.btn-control:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--accent-cyan);
  text-shadow: 0 0 8px rgba(0, 255, 218, 0.6);
  transform: translateY(-2px);
}

.btn-control:active {
  transform: translateY(0);
}

.btn-primary-control {
  background: rgba(0, 183, 235, 0.15);
  border: 1px solid var(--panel-border);
  color: var(--accent-blue);
  width: 34px; /* Slimmer primary button */
  height: 34px; /* Slimmer primary button */
}

.btn-primary-control:hover {
  background: rgba(0, 255, 218, 0.2);
  color: var(--accent-cyan);
  border-color: var(--accent-cyan);
  box-shadow: var(--glow-shadow-cyan);
}

/* Slide Indicator & Info */
.slide-indicator-text {
  font-size: 12px; /* Smaller indicator font */
  font-weight: 600;
  color: var(--text-primary);
  min-width: 50px; /* Smaller width */
  text-align: center;
  letter-spacing: 0.05em;
  font-family: monospace;
}

/* Sidebar Drawer (Slides Navigation & Search) */
.sidebar-drawer {
  position: absolute;
  top: 0;
  left: 0;
  width: 380px;
  height: 100%;
  background: rgba(5, 14, 28, 0.92);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-right: 1px solid var(--panel-border);
  z-index: 80;
  display: flex;
  flex-direction: column;
  transform: translateX(-100%);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.4s ease;
  box-shadow: none;
}

.sidebar-drawer.open {
  transform: translateX(0);
  box-shadow: 25px 0 50px rgba(0, 0, 0, 0.5), 5px 0 25px rgba(0, 183, 235, 0.15);
}

/* Sidebar Header */
.sidebar-header {
  padding: 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.sidebar-title {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--text-primary);
}

.sidebar-close-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 20px;
  cursor: pointer;
  transition: color 0.2s;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
}

.sidebar-close-btn:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
}

/* Search Bar */
.search-container {
  padding: 16px 24px;
  position: relative;
}

.search-input {
  width: 100%;
  padding: 12px 16px 12px 42px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 20px;
  color: var(--text-primary);
  font-size: 14px;
  outline: none;
  transition: all 0.3s ease;
}

.search-input:focus {
  border-color: var(--accent-blue);
  background: rgba(255, 255, 255, 0.07);
  box-shadow: 0 0 10px rgba(0, 183, 235, 0.2);
}

.search-icon {
  position: absolute;
  left: 36px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-secondary);
  font-size: 14px;
  pointer-events: none;
}

/* Slides List */
.slides-list {
  flex: 1;
  overflow-y: auto;
  padding: 12px 24px 24px 24px;
}

/* Custom Scrollbar for Drawer List */
.slides-list::-webkit-scrollbar {
  width: 6px;
}

.slides-list::-webkit-scrollbar-track {
  background: transparent;
}

.slides-list::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 3px;
}

.slides-list::-webkit-scrollbar-thumb:hover {
  background: rgba(0, 183, 235, 0.3);
}

/* Slide Thumbnail Card */
.slide-item {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 10px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: 8px;
  margin-bottom: 16px;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.slide-item:hover {
  background: rgba(0, 183, 235, 0.05);
  border-color: rgba(0, 183, 235, 0.25);
  transform: translateY(-2px);
}

.slide-item.active {
  background: rgba(0, 183, 235, 0.12);
  border-color: var(--accent-blue);
  box-shadow: 0 0 12px rgba(0, 183, 235, 0.15);
}

.slide-item-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.slide-item-index {
  font-size: 11px;
  font-weight: 700;
  color: var(--accent-cyan);
  font-family: monospace;
}

.slide-item-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex: 1;
  margin-right: 10px;
}

/* Live Thumbnail Preview container */
.slide-item-preview {
  width: 100%;
  aspect-ratio: 16/9;
  background: #061A33;
  border-radius: 4px;
  overflow: hidden;
  position: relative;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.slide-item-preview iframe {
  width: 1280px;
  height: 720px;
  border: none;
  transform-origin: 0 0;
  /* Scale 1280x720 down to fit the thumbnail width */
  transform: scale(0.243); /* ~ 312px wide */
  pointer-events: none;
  position: absolute;
  top: 0;
  left: 0;
}

/* Sidebar Toggle Trigger (Floating Button) */
.btn-sidebar-toggle {
  position: absolute;
  top: 16px; /* Moved up to match slimmer padding */
  left: 16px; /* Moved left */
  z-index: 90; /* Higher than sidebar drawer (80) */
  width: 40px; /* Slimmer button */
  height: 40px; /* Slimmer button */
  background: var(--panel-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--panel-border);
  border-radius: 50%;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
  transition: left 0.4s cubic-bezier(0.4, 0, 0.2, 1), transform 0.2s cubic-bezier(0.4, 0, 0.2, 1), background-color 0.2s, border-color 0.2s, box-shadow 0.2s, color 0.2s;
}

.btn-sidebar-toggle:hover {
  color: var(--accent-cyan);
  border-color: var(--accent-cyan);
  box-shadow: var(--glow-shadow-cyan);
  transform: scale(1.05);
}

/* Slide floating handle button when sidebar is open */
.sidebar-open .btn-sidebar-toggle {
  left: 396px; /* 380px drawer width + 16px spacing */
}

/* Autoplay Progress Timer */
.autoplay-progress {
  position: absolute;
  bottom: 0;
  left: 0;
  height: 3px;
  background: var(--accent-cyan);
  box-shadow: 0 0 5px var(--accent-cyan);
  width: 0%;
  transition: width 0.1s linear;
}

/* Help Dialog overlay */
.help-overlay {
  position: fixed;
  inset: 0;
  background: rgba(3, 7, 18, 0.85);
  backdrop-filter: blur(10px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.help-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.help-content {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: 20px;
  padding: 32px;
  max-width: 500px;
  width: 90%;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6), 0 0 30px rgba(0, 183, 235, 0.1);
  transform: scale(0.9);
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.help-overlay.open .help-content {
  transform: scale(1);
}

.help-title {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--accent-cyan);
  display: flex;
  align-items: center;
  gap: 12px;
}

.help-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.help-item {
  display: flex;
  justify-content: space-between;
  font-size: 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  padding-bottom: 8px;
}

.help-key {
  font-family: monospace;
  background: rgba(255, 255, 255, 0.08);
  padding: 2px 8px;
  border-radius: 4px;
  color: var(--accent-cyan);
}

.help-desc {
  color: var(--text-secondary);
}

.help-close-btn {
  margin-top: 24px;
  width: 100%;
  padding: 12px;
  background: rgba(0, 183, 235, 0.15);
  border: 1px solid var(--panel-border);
  border-radius: 30px;
  color: #fff;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.help-close-btn:hover {
  background: rgba(0, 255, 218, 0.2);
  color: var(--accent-cyan);
  border-color: var(--accent-cyan);
  box-shadow: var(--glow-shadow-cyan);
}

/* Tooltip style */
[data-tooltip]::before {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 48px; /* Moved tooltip down to match slimmer controls panel */
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  background: rgba(5, 14, 28, 0.9);
  border: 1px solid var(--panel-border);
  color: #fff;
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 11px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: all 0.2s ease;
  z-index: 100;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

[data-tooltip]:hover::before {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}