/* ==== LIGHT MODE (default) ==== */
:root {
  --bg: rgba(255, 255, 255, 0.6);
  --bg-blur: blur(12px);
  --accent: #4a90e2;
  --accent-hover: #357abd;
  --text: #1c1c1c;
  --muted: #555555;
}

body {
  margin: 0;
  background: linear-gradient(135deg, #f0f0f0, #ffffff);
  color: var(--text);
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  display: flex;
  flex-direction: column;
  height: 100vh;
}

.main-content {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

/* ==== DARK MODE ==== */
body.dark {
  --bg: rgba(10, 10, 10, 0.7);
  --accent: #4a90e2;
  --accent-hover: #1c6fd4;
  --text: #ffffff;
  --muted: #888888;
  background: linear-gradient(135deg, #121212, #1c1c1c);
}

/* ---- HEADER ---- */
header {
  backdrop-filter: var(--bg-blur);
  background: var(--bg);
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
  display: flex;
  flex-direction: column;
  z-index: 1000;
  flex-shrink: 0;
  padding: 0;
}

.header-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 14px;
  gap: 10px;
}

.header-tabs-row {
  display: flex;
  align-items: center;
  padding: 0 14px 8px 14px;
  gap: 6px;
  overflow: hidden;
}

/* Hamburger always visible */
.hamburger {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  padding: 0;
  font-size: 18px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  color: rgba(255, 255, 255, 0.75);
  cursor: pointer;
}

/* ---- TABS ---- */
#tabs {
  display: flex;
  gap: 5px;
  overflow-x: auto;
  overflow-y: hidden;
  flex: 1;
  scrollbar-width: none;
  -ms-overflow-style: none;
  padding-bottom: 2px;
}

#tabs::-webkit-scrollbar {
  display: none;
}

.tab {
  padding: 5px 10px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 6px;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.7);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
  flex-shrink: 0;
  transition: all 0.2s ease;
}

.tab:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.22);
  color: #fff;
}

.tab.active {
  background: rgba(74, 144, 226, 0.25);
  border: 1px solid rgba(74, 144, 226, 0.5);
  color: #fff;
  box-shadow: 0 0 10px rgba(74, 144, 226, 0.3);
}

/* ---- CLOSE BUTTON ---- */
.close-btn {
  font-size: 11px;
  background: transparent;
  border: none;
  color: rgba(255, 255, 255, 0.4);
  cursor: pointer;
  padding: 0;
  line-height: 1;
  transition: color 0.2s ease;
}

.close-btn:hover {
  color: #ff5c5c;
}

.tab.add-btn {
  background: rgba(255, 255, 255, 0.06);
  border: 1px dashed rgba(255, 255, 255, 0.2);
  color: rgba(255, 255, 255, 0.5);
  padding: 5px 10px;
  font-size: 16px;
  flex-shrink: 0;
}

.tab.add-btn:hover {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.35);
}

/* ---- BUTTONS (global base) ---- */
button {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: rgba(255, 255, 255, 0.8);
  padding: 5px 10px;
  font-size: 13px;
  font-weight: 500;
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

button:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.25);
  color: #fff;
}

button:active {
  background: rgba(255, 255, 255, 0.06);
}

/* ---- HEADER ACTION BUTTONS ---- */
.hamburger:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.2);
  color: #fff;
}

/* DARK MODE BUTTONS */

body.dark button {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #fff;
}

body.dark button:hover {
  background: rgba(255, 255, 255, 0.2);
}


/* ---- TEXTAREA ---- */
/* textarea {
  flex: 1;
  padding: 15px;
  font-size: 16px;
  background: rgba(0, 0, 0, 0.05);
  border: none;
  border-radius: 10px;
  margin: 10px;
  color: var(--text);
  resize: none;
  outline: none;
  backdrop-filter: var(--bg-blur);
} */

/* body.dark textarea {
  background: rgba(255, 255, 255, 0.05);
} */

/* ---- FOOTER ---- */
footer {
  backdrop-filter: var(--bg-blur);
  background: var(--bg);
  border-top: 1px solid rgba(0, 0, 0, 0.1);
  padding: 6px 12px;
  font-size: 13px;
  color: var(--muted);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-shrink: 0;
}

header {
  position: relative;
  z-index: 2000;
}

.menu {
  display: none;
  flex-direction: column;
  background: #222;
  padding: 8px;
  border-radius: 8px;
  position: absolute;
  right: 10px;
  top: 45px;
  z-index: 3000;
  /* HIGHER than textarea */
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.4);
}

.menu button {
  margin: 5px 0;
  padding: 8px 12px;
  background: #333;
  color: var(--text);
  border: none;
  border-radius: 6px;
  cursor: pointer;
  text-align: left;
}

.menu button:hover {
  background: #444;
}



.tab.add-btn:hover {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.35);
}

.subscript {
  font-size: 0.7em;
  vertical-align: sub;
  margin-left: 6px;
  margin-right: -2px;
  margin-top: -6px;
  color: rgb(182, 159, 159);
  text-shadow: 1px 1px 3px rgba(240, 233, 233, 0.6);
  /* subtle shadow by default */
  transition: text-shadow 0.3s ease, color 0.3s ease;
}

.subscript:hover {
  color: #ffffff;
  /* optional red tint on hover */
  text-shadow: 0 0 8px rgba(245, 223, 223, 0.9),
    0 0 12px rgba(245, 223, 223, 0.9);
}

.editor {
  overflow-y: auto;
  font-family: sans-serif;
  white-space: pre-wrap;
  flex: 1;
  padding: 15px;
  font-size: 16px;
  background: rgba(0, 0, 0, 0.05);
  border: none;
  border-radius: 10px;
  margin: 10px;
  color: var(--text);
  resize: none;
  outline: none;
  backdrop-filter: var(--bg-blur);
}

body.dark .editor {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
}

.editor:hover {
  background: rgba(0, 0, 0, 0.08);
}

body.dark .editor:hover {
  background: rgba(255, 255, 255, 0.08);
}

.editor:empty:before {
  content: attr(placeholder);
  color: #aaa;
  pointer-events: none;
}



/* Format Toggle Button */
.format-toggle-btn {
  position: fixed;
  top: 65px;
  right: 20px;
  z-index: 1002;
  background: rgba(74, 144, 226, 0.9);
  backdrop-filter: blur(20px);
  border: none;
  border-radius: 25px;
  padding: 12px 20px;
  color: white;
  cursor: pointer;
  display: none;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.2s ease;
  box-shadow: 0 4px 20px rgba(74, 144, 226, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.2);
  opacity: 0;
  transform: translateY(-10px);
}

.format-toggle-btn.show {
  display: flex;
  opacity: 1;
  transform: translateY(0);
}

.format-toggle-btn:hover {
  background: rgba(74, 144, 226, 1);
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(74, 144, 226, 0.4);
}

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

.format-toggle-btn i {
  font-size: 16px;
}

/* Desktop Toolbar */
.desktop-toolbar {
  display: flex;
  gap: 8px;
  padding: 10px 15px;
  background: var(--bg);
  backdrop-filter: var(--bg-blur);
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
  flex-wrap: wrap;
  align-items: center;
  flex-shrink: 0;
  transition: all 0.3s ease;
  transform: translateY(-100%);
  opacity: 0;
  visibility: hidden;
}

.desktop-toolbar.show {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
}

.desktop-toolbar.hidden {
  transform: translateY(-100%);
  opacity: 0;
  visibility: hidden;
}

.desktop-toolbar .toolbar-btn {
  padding: 8px 12px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 6px;
  color: var(--text);
  cursor: pointer;
  font-size: 14px;
  transition: all 0.2s ease;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.desktop-toolbar .toolbar-btn:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.3);
  transform: translateY(-1px);
}

.desktop-toolbar .toolbar-btn:active {
  transform: translateY(0);
  background: rgba(255, 255, 255, 0.15);
}

/* Mobile Floating Toolbar */
.mobile-toolbar {
  display: none;
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%) translateY(100%);
  z-index: 1000;
  background: rgba(0, 0, 0, 0.9);
  backdrop-filter: blur(20px);
  border-radius: 25px;
  padding: 8px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: all 0.3s ease;
  opacity: 0;
  visibility: hidden;
}

.mobile-toolbar.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
  visibility: visible;
}

.mobile-toolbar.hidden {
  transform: translateX(-50%) translateY(100%);
  opacity: 0;
  visibility: hidden;
}

.mobile-toolbar-row {
  display: flex;
  gap: 4px;
  align-items: center;
}

.mobile-btn {
  width: 48px;
  height: 48px;
  border: none;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.1);
  color: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
  font-size: 18px;
  position: relative;
}

.mobile-btn:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: scale(1.05);
}

.mobile-btn:active {
  transform: scale(0.95);
  background: rgba(255, 255, 255, 0.3);
}

.mobile-btn.more-btn {
  background: rgba(74, 144, 226, 0.8);
}

.mobile-btn.more-btn:hover {
  background: rgba(74, 144, 226, 1);
}

/* Mobile More Options Popup */
.mobile-more-popup {
  display: none;
  position: fixed;
  bottom: 90px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1001;
  background: rgba(0, 0, 0, 0.95);
  backdrop-filter: blur(20px);
  border-radius: 20px;
  padding: 20px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.1);
  max-width: 320px;
  width: 90vw;
  max-height: 70vh;
  overflow-y: auto;
}

.mobile-more-popup.show {
  display: block;
  animation: slideUp 0.3s ease-out;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateX(-50%) translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }
}

.more-popup-content {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.more-section h4 {
  color: rgba(255, 255, 255, 0.8);
  font-size: 14px;
  font-weight: 600;
  margin: 0 0 12px 0;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.more-buttons {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(70px, 1fr));
  gap: 12px;
}

.more-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 12px 8px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 12px;
  color: white;
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 12px;
  min-height: 60px;
}

.more-btn:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

.more-btn:active {
  transform: translateY(0);
  background: rgba(255, 255, 255, 0.3);
}

.more-btn i {
  font-size: 20px;
}

.more-btn .btn-text {
  font-weight: 600;
  font-size: 14px;
}

/* Color Picker Styles */
.color-picker-input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.color-picker-btn {
  position: relative;
}

.color-swatch {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #000;
  border: 2px solid rgba(255, 255, 255, 0.3);
  margin-top: 4px;
}

/* Mobile Styles */
@media (max-width: 768px) {
  .desktop-toolbar {
    display: none;
  }
  
  .mobile-toolbar {
    display: block;
  }
  
  .format-toggle-btn {
    top: 15px;
    right: 15px;
    padding: 10px 16px;
    font-size: 13px;
  }
  
  .format-toggle-btn i {
    font-size: 14px;
  }
  
  /* Add bottom padding to editor to account for floating toolbar when shown */
  .main-content {
    padding-bottom: 0;
  }
  
  .main-content.toolbar-visible {
    padding-bottom: 80px;
  }
}

@media (max-width: 480px) {
  .mobile-toolbar {
    bottom: 15px;
    padding: 6px;
  }
  
  .mobile-btn {
    width: 44px;
    height: 44px;
    font-size: 16px;
  }
  
  .mobile-more-popup {
    bottom: 80px;
    padding: 15px;
    max-width: 300px;
  }
  
  .more-buttons {
    grid-template-columns: repeat(auto-fit, minmax(60px, 1fr));
    gap: 10px;
  }
  
  .more-btn {
    padding: 10px 6px;
    min-height: 55px;
  }
  
  .more-btn i {
    font-size: 18px;
  }
}

/* Popup modal styles */
.modal {
  display: none;
  position: fixed;
  z-index: 999;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  justify-content: center;
  align-items: center;
}

.modal-content {
  background: #fff;
  padding: 20px;
  border-radius: 12px;
  width: 300px;
  max-width: 90%;
  text-align: center;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

.modal-content input {
  width: 100%;
  padding: 8px;
  margin: 8px 0;
  border: 1px solid #ccc;
  border-radius: 6px;
}

.modal-content button {
  padding: 8px 16px;
  margin-top: 10px;
  border: none;
  background: #007bff;
  color: #fff;
  border-radius: 6px;
  cursor: pointer;
}

.modal-content button:hover {
  background: #0056b3;
}

.popup-close-btn {
  float: right;
  cursor: pointer;
  font-size: 18px;
  font-weight: bold;
  color: #555;
}

.popup-close-btn:hover {
  color: red;
}

.auth-box {
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(18px) saturate(150%);
  -webkit-backdrop-filter: blur(18px) saturate(150%);
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  padding: 28px;
  width: 340px;
  text-align: center;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
  animation: fadeIn 0.3s ease;
}

.auth-title {
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 20px;
  color: #fff;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 6px;
}

.auth-input {
  width: 100%;
  padding: 12px 14px;
  margin: 10px 0;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  outline: none;
  font-size: 14px;
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
  transition: all 0.2s ease-in-out;
}

.auth-input:focus {
  border-color: #4facfe;
  background: rgba(255, 255, 255, 0.15);
}

/* Game Modal Styles */
/* #gameBox {
  position: fixed;
  top: 50%;
  left: 50%;
} */
.game-box {
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(18px) saturate(150%);
  -webkit-backdrop-filter: blur(18px) saturate(150%);
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  padding: 0;
  width: 90vw !important;
  height: 90vh !important;
  text-align: center;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
  animation: fadeIn 0.3s ease;
  position: relative;
  user-select: none;
  display: flex;
  flex-direction: column;
}

.game-content {
  padding: 20px 28px 28px 28px;
  overflow-y: auto;
}

#gameCanvas {
  border-radius: 8px;
  margin: 15px 0;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  height: auto;
}

.game-instructions {
  display: block;
  margin-top: 15px;
  padding: 15px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  text-align: left;
  color: #fff;
  font-size: 13px;
  line-height: 1.4;
}

@media (max-width: 600px) {
  .game-box {
    width: 95vw;
    height: 95vh;
  }
.game-title {
  color: white;
  font-size: 22px;
  font-weight: 700;
  margin: 0;
}
.game-info {
  display: flex;
  justify-content: space-around;
  margin: 10px 0;
  padding: 8px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 10px;
  color: #fff;
  font-size: 14px;
  font-weight: 600;
}

.game-controls button {
  background: linear-gradient(135deg, #43e97b, #38f9d7);
  border: none;
  border-radius: 12px;
  padding: 10px 20px;
  color: white;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.2s;
  margin: 5px;
}
.game-controls button:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.25);
}
  .game-instructions {
    font-size: 12px;
  }
}


.game-instructions p {
  margin: 5px 0;
}

.game-instructions strong {
  color: #4facfe;
}

/* Dark mode adjustments for game */
body.dark .game-box {
  background: rgba(20, 20, 20, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

body.dark .game-header {
  background: rgba(255, 255, 255, 0.1);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

body.dark .game-instructions {
  background: rgba(255, 255, 255, 0.05);
}

.difficulty-selector {
  margin: 1rem 0;
  text-align: center;
}

.difficulty-selector label {
  color: var(--text-secondary);
  margin-right: 0.5rem;
  font-weight: 500;
}

.difficulty-selector select {
  background: var(--bg-glass);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 0.5rem;
  border-radius: 0.5rem;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.difficulty-selector select:hover {
  border-color: var(--border-light);
  background: var(--bg-glass-hover);
}

.power-up-info {
  margin: 1rem 0;
  text-align: center;
}

.power-up-info h4 {
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  font-size: 1rem;
}

.power-up-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
}

.power-up-item {
  background: var(--bg-glass);
  border: 1px solid var(--border);
  padding: 0.25rem 0.5rem;
  border-radius: 0.5rem;
  font-size: 0.8rem;
  color: var(--text-secondary);
  transition: all 0.2s ease;
}

.power-up-item:hover {
  background: var(--bg-glass-hover);
  border-color: var(--border-light);
}
.power-up-bar {
  height: 6px;
  border-radius: 4px;
  margin-top: 5px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.15);
}
.power-up-bar-fill {
  height: 100%;
  transition: width 0.3s linear;
}

.game-over-screen {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.85);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  border-radius: 18px;
  color: #fff;
  font-size: 20px;
  z-index: 20;
  animation: fadeIn 0.3s ease;
}
.game-over-screen button {
  margin-top: 15px;
}

#gameLevel {
  color: var(--accent);
  font-weight: 600;
}

/* Draggable game window styles */
.game-box {
  transition: transform 0.1s ease-out;
}

.game-box:active {
  transition: none;
}

/* Prevent text selection during drag */
.game-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: linear-gradient(90deg, #4facfe, #00f2fe);
  padding: 10px 15px;
  border-radius: 18px 18px 0 0;
  cursor: grab;
  user-select: none;
}

.auth-btn {
  width: 100%;
  background: linear-gradient(135deg, #4facfe, #00f2fe);
  color: #fff;
  border: none;
  padding: 12px;
  font-size: 15px;
  font-weight: 500;
  border-radius: 12px;
  margin-top: 12px;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  box-shadow: 0 4px 12px rgba(79, 172, 254, 0.4);
}

.auth-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(79, 172, 254, 0.6);
}

.auth-divider {
  display: flex;
  align-items: center;
  text-align: center;
  margin: 18px 0;
}

.auth-divider span {
  flex: 1;
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  margin: 0 10px;
  color: #ccc;
  font-size: 13px;
}

.google-btn {
  width: 100%;
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(12px);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.25);
  padding: 12px;
  font-size: 15px;
  font-weight: 500;
  border-radius: 12px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.google-btn:hover {
  transform: translateY(-2px);
  background: rgba(255, 255, 255, 0.2);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.45);
}

.google-btn img {
  width: 20px;
  height: 20px;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }

  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* Fullscreen side panel */
.side-panel {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  /* full screen */
  height: 100%;
  background: rgba(20, 20, 20, 0.95);
  /* dark overlay */
  transform: translateX(-100%);
  /* hidden */
  transition: transform 0.3s ease-in-out;
  z-index: 2000;
  overflow-y: auto;
}

/* When open */
.side-panel.open {
  transform: translateX(0);
  /* slide in */
  height: 96vh;
}

/* Content inside */
.side-panel-content {
  padding: 20px;
}

/* Close button */
.close-panel {
  position: absolute;
  top: 15px;
  right: 15px;
  background: #333;
  border: none;
  color: white;
  font-size: 24px;
  padding: 8px 12px;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.2s;
}

.close-panel:hover {
  background: #555;
}

/* Side panel hidden by default, shown when open class is added */
#sidePanel {
  display: none;
}

#sidePanel.open {
  display: block;
}

#tabs {
  display: flex;
}

/* Mobile view */
@media (max-width: 768px) {
  #tabs {
    display: none;
  }
}

.doc-list {
  list-style: none;
  padding: 0;
  margin: 1rem 0;
}

.doc-item {
  padding: 0.5rem 1rem;
  border-bottom: 1px solid #ddd;
  cursor: pointer;
}

.doc-item:hover {
  background: #f0f0f0;
}

/* Dark mode support */
.dark .side-panel {
  background: #333;
  color: white;
}

.dark .doc-item {
  border-bottom: 1px solid #555;
}

.dark .doc-item:hover {
  background: #444;
}

/* ---- SIDE PANEL SECTIONS ---- */

/* Make panel scrollable */
#sidePanel {
  overflow-y: auto;
}

/* Each section block */
.panel-section {
  padding: 14px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.panel-section:last-child {
  border-bottom: none;
}

/* Section labels */
.panel-section-label {
  display: block;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.4);
  margin-bottom: 10px;
}

/* Auth section */
#sidePanelLoggedOut,
#sidePanelLoggedIn {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.panel-email {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
  word-break: break-all;
  padding: 4px 0;
}

/* Nav links */
.panel-nav {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.panel-nav-link {
  display: block;
  padding: 8px 10px;
  border-radius: 8px;
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  font-size: 14px;
  transition: background 0.15s ease, color 0.15s ease;
  border: 1px solid transparent;
}

.panel-nav-link:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.12);
  color: #fff;
}

/* Action buttons */
.panel-actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.panel-actions button {
  width: 100%;
  text-align: left;
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 14px;
}

/* New note button */
.panel-new-note-btn {
  width: 100%;
  margin-bottom: 10px;
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 14px;
  background: rgba(74, 144, 226, 0.2);
  border: 1px solid rgba(74, 144, 226, 0.35);
  color: #7db8f5;
}

.panel-new-note-btn:hover {
  background: rgba(74, 144, 226, 0.35);
  border-color: rgba(74, 144, 226, 0.55);
  color: #fff;
}

/* Doc list empty state */
.doc-empty-state {
  padding: 10px;
  color: rgba(255, 255, 255, 0.35);
  font-size: 13px;
  font-style: italic;
  list-style: none;
}

.popup-content {
  background: rgba(255, 255, 255, 0.1);
  padding: 20px;
  border-radius: 12px;
  width: 300px;
  max-width: 90%;
  text-align: center;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.2);
  display: flex;
  align-items: center;
  flex-direction: column;
  justify-content: center;
  gap: 10px;
  backdrop-filter: blur(10px);
}

/* Hide the native color input; we'll trigger it via the label button */
.color-picker-input {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.color-picker-button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #2a2a2a;
  color: #f5f5f5;
  border: 1px solid #3a3a3a;
  border-radius: 8px;
  padding: 6px 10px;
  cursor: pointer;
  transition: all 0.2s ease-in-out;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.25);
}

.color-picker-button:hover {
  background: #3b3b3b;
  transform: translateY(-1px);
}

.color-picker-button:active {
  transform: scale(0.98);
}

.color-picker-button svg {
  display: block;
}

.color-swatch {
  width: 16px;
  height: 16px;
  border-radius: 4px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  box-shadow: inset 0 0 2px rgba(0, 0, 0, 0.4);
}

/* During color picking, reduce selection overlay so color changes are visible */
/* Stronger selection override inside contenteditable while picking */
body.color-picking .editor *::selection {
  background: rgba(128, 128, 128, 0.18) !important;
  color: inherit !important;
}

body.color-picking .editor *::-moz-selection {
  background: rgba(128, 128, 128, 0.18) !important;
  color: inherit !important;
}

/* Custom scrollbar only for #editor */
#editor {
  overflow-y: auto;
  /* ensure scrolling works */
}

/* Settings Page Styles */
.settings-container {
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem;
}

.settings-container h1 {
  margin-bottom: 2rem;
  color: var(--text-color);
}

.settings-section {
  background: var(--bg-secondary);
  border-radius: 8px;
  padding: 1.5rem;
  margin-bottom: 2rem;
  border: 1px solid var(--border-color);
}

.settings-section h2 {
  margin-bottom: 1rem;
  color: var(--text-color);
  font-size: 1.2rem;
  font-weight: 600;
}

.setting-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border-color);
}

.setting-item:last-child {
  border-bottom: none;
}

.setting-item label {
  font-weight: 500;
  color: var(--text-color);
}

.setting-item select,
.setting-item input[type="checkbox"] {
  padding: 0.5rem;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  background: var(--bg-primary);
  color: var(--text-color);
}

.setting-item select {
  min-width: 150px;
}

.btn-secondary {
  background: var(--accent-color);
  color: white;
  border: none;
  padding: 0.5rem 1rem;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.9rem;
}

.btn-secondary:hover {
  background: var(--accent-hover);
}

.btn-danger {
  background: #dc3545;
  color: white;
  border: none;
  padding: 0.5rem 1rem;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.9rem;
}

.btn-danger:hover {
  background: #c82333;
}

/* Custom Shortcut Dialog Styles */
.modal .popup-content h3 {
  margin-bottom: 15px;
  color: var(--text-color);
}

.modal .popup-content label {
  display: block;
  font-weight: 500;
  margin-bottom: 5px;
  color: var(--text-color);
}

.modal .popup-content input,
.modal .popup-content textarea,
.modal .popup-content select {
  width: 100%;
  padding: 8px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  background: var(--bg-primary);
  color: var(--text-color);
  font-family: inherit;
}

.modal .popup-content input:focus,
.modal .popup-content textarea:focus,
.modal .popup-content select:focus {
  outline: none;
  border-color: var(--accent-color);
}

.modal .popup-content small {
  color: var(--text-secondary);
  font-size: 0.85em;
}

.modal .popup-content button.primary {
  background: var(--accent-color);
  color: white;
  border: none;
  padding: 8px 16px;
  border-radius: 4px;
  cursor: pointer;
}

.modal .popup-content button.primary:hover {
  background: var(--accent-hover);
}

.styled-select {
  width: 100%;
  margin: 5px 0;
  padding: 8px;
  border: 1px solid #888;
  border-radius: 8px;
  background: #f9f9f9;
  font-size: 16px;
  text-align: center;
  text-align-last: center;
  /* centers selected option */
  cursor: pointer;
}

/* style dropdown options */
.styled-select option {
  text-align: center;
  padding: 10px;
  background: #fff;
  color: #333;
}

.styled-select option:hover {
  background: #007BFF;
  color: #fff;
}

.preview-text {
  max-height: 50px;
  min-width: 260px;
  background: rgb(255 255 255 / 21%);
  padding: 10px;
  border-radius: 4px;
  margin: 5px 0;
  white-space: pre-wrap;
  /* ✅ preserve line breaks & wrap text */
  word-wrap: break-word;
  /* ✅ break long continuous words */
  overflow-wrap: break-word;
  /* ✅ modern browsers */
  max-width: 260px;
  /* optional: limit height */
  overflow-y: auto;
  /* optional: add scrollbar if too long */
  min-height: 25px;
}

.text-template {
  max-height: 50px;
  max-width: 260px;
  /* optional: limit height */
  background: rgb(255 255 255 / 21%) !important;
  color: #333;
  min-width: 260px;
}

/* Scrollbar styles scoped to editor */
/* Common custom scrollbar styles */
#previewText::-webkit-scrollbar,
#editor::-webkit-scrollbar,
#textTemplate::-webkit-scrollbar {
  width: 10px;
  /* vertical scrollbar width */
}

#previewText::-webkit-scrollbar-track,
#editor::-webkit-scrollbar-track,
#textTemplate::-webkit-scrollbar-track {
  background: #1e1e1e;
  /* track background */
  border-radius: 10px;
}

#previewText::-webkit-scrollbar-thumb,
#editor::-webkit-scrollbar-thumb,
#textTemplate::-webkit-scrollbar-thumb {
  background: #555;
  /* scrollbar handle */
  border-radius: 10px;
}

#previewText::-webkit-scrollbar-thumb:hover,
#editor::-webkit-scrollbar-thumb:hover,
#textTemplate::-webkit-scrollbar-thumb:hover {
  background: #999;
  /* hover effect */
}

/* Firefox support */
#previewText,
#editor,
#textTemplate {
  scrollbar-width: thin;
  scrollbar-color: #555 #1e1e1e;
  /* thumb | track */
}

.selected-shortcut-key {
  text-align: center;
  font-size: xx-large;
  font-weight: bold;
  padding: 5px;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.6);
  background: rgb(255 255 255 / 21%);
  max-width: 260px;
}

.selected-shortcut-key:hover {
  color: #00ffff; /* optional: change text color */
  text-shadow: 0 0 8px rgb(220, 233, 220), 0 0 15px rgb(231, 239, 240), 0 0 25px #0f0;
}
.selected-shortcut-key::placeholder,
.selected-shortcut-key:hover::placeholder {
  text-shadow: none !important;
  color: #888; /* keep it subtle */
  font-weight: 200 !important;
  font-size: medium !important;
}