/* General body and font */
body {
  font-family: 'Segoe UI', sans-serif;
  background: linear-gradient(135deg, #1a1a1a, #2b2b2b);
  color: #fff;
  margin: 0;
  padding: 0;
  overflow: hidden;
  height: 100vh;
}

/* Header / Navbar */
header, .navbar {
  display: flex; 
  justify-content: space-between; 
  align-items: center;
  background: rgba(0,0,0,0.6);
  padding: 1rem 2rem;
  backdrop-filter: blur(8px);
  position: sticky; 
  top: 0;
  z-index: 10;
}

.navbar {
  display: flex;
  align-items: center;
  padding: 1rem 2rem;
  background: #111;
  color: #fff;
  position: sticky;
  top: 0;
  z-index: 100;
}

.navbar .logo {
  font-weight: bold;
  font-size: 1.2rem;
}

.navbar .room-code {
  margin-left: auto; /* pushes it to the far right */
}

.hamburger {
  cursor: pointer;
  font-size: 1.5rem;
  margin-left: 1rem; /* spacing from room-code or logo */
}


.menu {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  position: absolute;
  right: 2rem;
  top: 60px;
  background: rgba(0,0,0,0.8);
  border-radius: 8px;
  padding: 0.5rem 1rem;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, opacity 0.3s ease;
  opacity: 0;
}

.menu.open {
  max-height: 500px;  /* large enough to show all items */
  opacity: 1;
}

.menu li a { color: #fff; text-decoration: none; display:block; padding:0.3rem 0; }
.menu li a:hover { text-decoration: underline; }

/* Main container */
.container {
  display: flex;
  gap: 1rem;
  padding: 2rem;
  flex-wrap: wrap;
  height: calc(100vh - 120px);
  overflow: hidden;
  box-sizing: border-box;
}

/* Quiz Management Tab */
#quizManagement {
  height: 100%;
  max-height: 100%;
  overflow: hidden;
}

/* Sections */
section { 
  backdrop-filter: blur(10px); 
  background: rgba(255,255,255,0.05); 
  padding: 1rem; 
  border-radius: 10px;
  min-height: 400px;
}

/* Headings */
h1,h2,h3,h4 { margin:0.5rem 0; }

/* Buttons */
button {
  background: rgba(255,255,255,0.1);
  color: #fff;
  border: none;
  padding: 0.5rem 1rem;
  margin: 0.2rem 0;
  cursor: pointer;
  border-radius: 8px;
  transition: 0.2s;
}
button:hover { 
  background: rgba(255,255,255,0.25);
  transform: scale(1.03);
}

/* Inputs, Textareas, Selects */
input, textarea, select {
  display: block;
  margin: 0.5rem 0;
  padding: 0.5rem;
  width: 100%;
  box-sizing: border-box;
  border-radius: 8px;
  border: none;
  background: rgba(255,255,255,0.1);
  color: #fff;
}

/* Quiz and question cards */
.quizCard {
  background: rgba(255,255,255,0.05);
  padding: 1rem;
  margin: 0.5rem 0;
  border-radius: 12px;
  backdrop-filter: blur(6px);
  transition: 0.2s;
  cursor: pointer;
}

.questionCard {
  background: rgba(255,255,255,0.05);
  padding: 0.75rem;
  border-radius: 8px;
  backdrop-filter: blur(6px);
  transition: 0.2s;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  height: fit-content;
}

.questionCard > div:first-child {
  font-size: 0.95rem;
  line-height: 1.3;
  word-break: break-word;
}

.questionCard ul {
  margin: 0;
  padding-left: 1.25rem;
  font-size: 0.85rem;
  line-height: 1.4;
}

.questionCard ul li {
  margin: 0.15rem 0;
  word-break: break-word;
}

.questionCard > div:last-child {
  display: flex;
  gap: 0.5rem;
  margin-top: auto;
  padding-top: 0.5rem;
  border-top: 1px solid rgba(255,255,255,0.1);
}

.quizCard:hover, .questionCard:hover { background: rgba(255,255,255,0.15); }
.quizCard.selected { background: rgba(0, 123, 255, 0.4); border-left: 4px solid #007bff; }

/* Quiz and Question actions */
.quizActions button {
  margin-right: 0.5rem;
  padding: 0.3rem 0.5rem;
  background: rgba(255,255,255,0.1);
  border: none;
  border-radius: 5px;
  color: #fff;
  cursor: pointer;
}

.questionCard button {
  flex: 1;
  margin: 0;
  padding: 0.4rem 0.6rem;
  background: rgba(255,255,255,0.1);
  border: none;
  border-radius: 5px;
  color: #fff;
  cursor: pointer;
  font-size: 0.85rem;
}

.questionCard .deleteQBtn {
  background: rgba(255,0,0,0.2);
  border: 1px solid rgba(255,0,0,0.5);
}

.questionCard .deleteQBtn:hover {
  background: rgba(255,0,0,0.4);
  border-color: rgba(255,0,0,0.7);
}

.quizActions button:hover, .questionCard button:hover { background: rgba(255,255,255,0.25); transform: scale(1.05); }

/* Admin question editor layout */
#questionEditor {
  flex: 0 0 auto;
  min-height: 0 !important;
  max-height: 40%;
  overflow-y: auto;
}

#questionEditor > h2 {
  margin-top: 0;
  margin-bottom: 0.75rem;
}

/* Question text input in editor */
#questionText {
  padding: 0.6rem 0.75rem !important;
  font-size: 0.95rem !important;
  margin: 0.25rem 0 !important;
}

/* Quiz section (left column) */
#quizSection {
  height: 100%;
  max-height: 100%;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  min-height: 0 !important;
}

#quizSection h2,
#quizSection button,
#quizSection > div:not(#quizList) {
  flex-shrink: 0;
}

/* Create New Quiz button styling */
#createQuizBtn {
  background: rgba(0, 200, 0, 0.3) !important;
  border: 2px solid rgba(0, 255, 0, 0.4);
  padding: 0.75rem 1.25rem !important;
  font-weight: bold;
  font-size: 1rem;
  box-shadow: 0 2px 8px rgba(0, 200, 0, 0.2);
}

#createQuizBtn:hover {
  background: rgba(0, 200, 0, 0.5) !important;
  border-color: rgba(0, 255, 0, 0.6);
  box-shadow: 0 4px 12px rgba(0, 200, 0, 0.4);
}

/* Quiz title and description inputs */
#quizTitle,
#quizDescription {
  padding: 0.75rem 1rem !important;
  font-size: 1rem;
  margin-top: 0.5rem !important;
}

#quizDescription {
  min-height: 80px;
  resize: vertical;
}

#quizList {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  overflow-x: hidden;
  margin-top: 1rem;
}

/* Choices container with labels */
#choicesContainer {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  margin: 0.5rem 0;
}

.choice-input-wrapper {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.choice-label {
  flex-shrink: 0;
  width: 30px;
  font-weight: bold;
  color: #007bff;
  font-size: 1rem;
}

.choice-input-wrapper input {
  flex: 1;
  margin: 0;
  padding: 0.5rem 0.65rem !important;
  font-size: 0.9rem;
}

/* Questions list section (Bottom 2/3) */
#questionsListSection {
  flex: 1;
  min-height: 0 !important;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

#questionsListSection > h2 {
  flex-shrink: 0;
  margin-top: 0;
}

/* Question list container (scrollable grid) - Admin page only */
#questionsListSection #questionsList {
  flex: 1;
  min-height: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 0.75rem;
  overflow-y: auto;
  overflow-x: hidden;
  padding-right: 0.5rem;
  align-content: start;
}

/* Quiz creation form */
.quiz-creation input, .quiz-creation textarea, .quiz-creation select, .quiz-creation button {
  display: block; 
  width: 100%; 
  margin: 0.5rem 0;
  padding: 0.5rem; 
  border: none; 
  border-radius: 8px;
  background: rgba(255,255,255,0.1); 
  color: #fff;
}
.quiz-creation button:hover { background: rgba(0,123,255,0.5); transform: scale(1.05); }

/* Highlight the question being edited */
.questionCard.editing {
  background: rgba(0, 123, 255, 0.4);
  border: 2px solid #007bff;
  box-shadow: 0 0 15px rgba(0, 123, 255, 0.5);
  transition: background 0.3s ease, transform 0.3s ease, border-color 0.3s ease;
}

/* Hover effect for question cards */
.questionCard:hover {
  transform: translateY(-2px);
  background: rgba(0, 123, 255, 0.25);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  transition: background 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
}


/* Hidden elements */
.hidden { display: none; }

/* Responsive layout: two columns */
@media(min-width: 768px) {
  #quizSection { flex: 1; max-width: 33%; padding-right: 1rem; }
}

@media(max-width: 1200px) {
  #questionsListSection #questionsList {
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  }
}

@media(max-width: 767px) {
  .container {
    flex-direction: column;
    overflow-y: auto;
    overflow-x: hidden;
  }
  #quizSection {
    max-width: 100%;
    padding: 0;
    height: auto;
    max-height: none;
  }
  #questionEditor {
    max-height: none;
  }
  #quizManagement {
    overflow-y: auto;
    overflow-x: hidden;
  }
  #questionsListSection #questionsList {
    grid-template-columns: 1fr;
  }
  .menu { right: 1rem; top: 55px; }
}

/* Player page dropdown/manual room code inputs */
.player-join h4 { margin: 0.5rem 0 0.2rem 0; font-weight: normal; font-size: 0.9rem; }
#roomSelect, #roomCodeManual { margin-bottom: 0.5rem; }

/* Locked message for players */
#lockedMsg { margin-top: 1rem; font-style: italic; color: #ffec99; }

/* Live feed for presenter */
.live-feed { max-width:600px; width:100%; margin-top:1rem; }
.live-feed div { padding:0.3rem 0.5rem; border-bottom: 1px solid rgba(255,255,255,0.1); }


/* Dropdown select text color fix */
select, select option {
  color: #000 !important;       /* black text */
  background-color: #fff !important; /* white background for contrast */
  border: 1px solid #888;
}

/* Optional: keep hover highlight readable */
select option:hover {
  background-color: #e0e0e0;
}

.questionCard.presented {
  background: rgba(0, 123, 255, 0.5);
  transform: scale(1.02);
}

.roomCard {
  background: rgba(255,255,255,0.05);
  padding: 0.5rem 1rem;
  margin: 0.3rem 0;
  border-radius: 8px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  transition: 0.2s;
}

.roomCard.activeRoom {
  background: rgba(0, 123, 255, 0.5);
  transform: scale(1.02);
}

.selected-room {
  border-left: 4px solid #007bff;
  background: rgba(0, 123, 255, 0.2);
  padding-left: 0.5rem;
}

/* ===== PLAYER PAGE STYLES ===== */

/* Player container */
.player-container {
  display: flex;
  flex-direction: column;
  height: calc(100vh - 60px);
  padding: 0;
  gap: 0;
  overflow: hidden;
}

/* Question area */
.question-area {
  display: flex;
  flex-direction: column;
  background: rgba(255,255,255,0.05);
  padding: 2rem;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  overflow-x: hidden;
}

/* Sidebar */
.sidebar {
  display: flex;
  flex-direction: column;
  background: rgba(255,255,255,0.05);
  padding: 1rem;
  gap: 1rem;
  overflow-y: auto;
}

/* Waiting screen */
#waitingScreen {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex: 1;
  text-align: center;
}

#waitingScreen p {
  color: #aaa;
}

/* Question display */
#questionDisplay {
  display: none;
  flex-direction: column;
  height: 100%;
  min-height: 0;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  overflow-x: hidden;
  overflow-y: auto;
}

#questionText {
  margin-top: 0;
  flex-shrink: 0;
  font-size: 1.8rem;
  margin-bottom: 2rem;
  width: 100%;
  max-width: 100%;
  word-wrap: break-word;
  overflow-wrap: break-word;
  box-sizing: border-box;
}

/* Choices container */
#choicesContainer {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  flex: 1;
  align-content: start;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  overflow: hidden;
}

/* Answer feedback */
#answerFeedback {
  display: none;
  margin-top: 2rem;
  padding: 1rem;
  border-radius: 8px;
  text-align: center;
  font-size: 1.2rem;
  flex-shrink: 0;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  word-wrap: break-word;
}

/* Join section */
#joinSection {
  flex-shrink: 0;
}

#joinSection h3 {
  margin-top: 0;
}

#joinSection label {
  font-size: 0.9rem;
  color: #aaa;
}

#joinSection input {
  margin-bottom: 0.5rem;
}

#joinSection button {
  width: 100%;
}

/* Room info */
#roomInfo {
  display: none;
  flex-shrink: 0;
  padding: 1rem;
  background: rgba(0,123,255,0.2);
  border-radius: 8px;
}

#roomInfo h3 {
  margin: 0 0 0.5rem 0;
}

#roomInfo button {
  margin-top: 0.5rem;
  width: 100%;
  background: rgba(255,0,0,0.3);
}

/* Players list container */
.players-list-container {
  flex: 1;
  min-height: 150px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.players-list-container h3 {
  margin: 0 0 0.5rem 0;
  flex-shrink: 0;
}

#playersList {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  overflow-x: hidden;
  background: rgba(0,0,0,0.2);
  border-radius: 8px;
  padding: 0.5rem;
}

#playersList em,
#menuPlayersList em {
  color: #aaa;
}

/* Player list items */
.player-item {
  padding: 0.3rem 0.5rem;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

/* Status message */
#statusMessage {
  flex-shrink: 0;
  padding: 0.5rem;
  background: rgba(255,255,255,0.1);
  border-radius: 8px;
  text-align: center;
  font-size: 0.9rem;
  color: #aaa;
}

/* Navbar room info (mobile) */
#navRoomInfo {
  display: none;
  margin-left: auto;
  margin-right: 1rem;
  font-size: 0.9rem;
}

#navRoomInfo.active {
  display: flex;
  align-items: center;
}

#navRoomCode {
  font-weight: bold;
}

#navConnectionStatus {
  margin-left: 0.5rem;
  font-size: 1.2rem;
}

/* Menu leave room button */
#menuLeaveRoom {
  display: none;
  margin-top: 0.5rem;
  padding: 0;
}

#menuLeaveBtn {
  background: rgba(255,0,0,0.3);
  border: 2px solid rgba(255,0,0,0.6);
  border-radius: 5px;
  padding: 0.5rem 1rem;
  display: block;
  text-align: center;
  font-weight: bold;
  color: #ff6666;
}

/* Menu players section */
#menuPlayersSection {
  display: none;
}

#menuPlayersSection > div:first-child {
  padding: 0.5rem 0;
  color: #aaa;
  font-weight: bold;
}

#menuPlayersList {
  max-height: 200px;
  overflow-y: auto;
  background: rgba(0,0,0,0.3);
  border-radius: 5px;
  padding: 0.5rem;
  margin-top: 0.3rem;
}

/* Touch-friendly buttons */
.choice-btn {
  min-height: 60px;
  touch-action: manipulation;
  -webkit-tap-highlight-color: rgba(0, 123, 255, 0.3);
  padding: 1.5rem;
  font-size: 1.1rem;
  background: rgba(255,255,255,0.1);
  border: 2px solid transparent;
  border-radius: 8px;
  color: #fff;
  transition: all 0.2s;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  word-wrap: break-word;
  overflow-wrap: break-word;
  white-space: normal;
  text-align: left;
  line-height: 1.4;
}

.choice-btn:active {
  transform: scale(0.98);
}

.choice-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.choice-btn.selected {
  background: rgba(0,123,255,0.5);
  border-color: #007bff;
}

.choice-btn.correct {
  background: rgba(0,200,0,0.4);
  border-color: #0f0;
}

.choice-btn.incorrect {
  background: rgba(200,0,0,0.4);
  border-color: #f66;
}

/* Mobile: Full screen question area, sidebar hidden when in room */
@media (max-width: 768px) {
  /* Allow scrolling on mobile for player page */
  body {
    overflow: auto;
  }

  .player-container {
    flex-direction: column;
    height: auto;
    min-height: calc(100vh - 60px);
    overflow-y: visible;
  }

  .question-area {
    flex: none;
    min-height: auto;
    padding: 1rem !important;
  }

  /* Show sidebar before joining (for join form) */
  .sidebar {
    flex: 1;
    padding: 1rem !important;
  }

  /* Hide sidebar sections that are in hamburger menu when in room */
  .sidebar.in-room {
    display: none !important;
  }

  /* Hide navbar room info by default, show only when in room */
  #navRoomInfo {
    display: none !important;
  }

  /* Show when in room (controlled by JS) */
  #navRoomInfo.active {
    display: flex !important;
    align-items: center;
  }

  /* Expand menu width for player list */
  .menu {
    min-width: 250px;
  }

  .choice-btn {
    font-size: 1rem !important;
    padding: 1.2rem !important;
  }

  #questionText {
    font-size: 1.3rem !important;
  }

  .navbar {
    padding: 0.75rem 1rem !important;
  }

  .logo {
    font-size: 1rem !important;
  }

  button {
    min-height: 44px;
    touch-action: manipulation;
  }

  input {
    min-height: 44px;
    font-size: 16px; /* Prevents zoom on iOS */
  }
}

/* Desktop: Side by side */
@media (min-width: 769px) {
  .player-container {
    flex-direction: row;
    height: calc(100vh - 60px);
    max-height: calc(100vh - 60px);
  }

  .question-area {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    box-sizing: border-box;
    padding: 2rem;
    display: flex;
    flex-direction: column;
  }

  #questionDisplay {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 0;
  }

  #choicesContainer {
    flex: 1;
    min-height: 0;
    overflow-y: auto;
  }

  .choice-btn {
    min-height: 50px;
    font-size: clamp(0.9rem, 1.5vw, 1.1rem);
    padding: clamp(0.8rem, 1.5vh, 1.5rem);
  }

  #questionText {
    font-size: clamp(1.2rem, 2.5vw, 1.8rem);
    margin-bottom: 1rem;
    flex-shrink: 0;
  }

  .sidebar {
    flex: 0 0 300px;
    min-height: 100%;
    max-height: 100%;
    overflow-y: auto;
    box-sizing: border-box;
  }

  /* Hide navbar room info on desktop (sidebar is visible) */
  #navRoomInfo {
    display: none !important;
  }
}

/* Wider desktop: 2-column grid for choices */
@media (min-width: 1024px) {
  #choicesContainer {
    grid-template-columns: 1fr 1fr;
  }
}

/* Very wide screens: larger font sizes */
@media (min-width: 1400px) {
  .choice-btn {
    font-size: 1.2rem;
  }
  #questionText {
    font-size: 2rem;
  }
}

/* ===== PRESENTER PAGE STYLES ===== */

.presenter-container {
  display: flex;
  gap: 1rem;
  padding: 2rem;
  height: calc(100vh - 60px);
  box-sizing: border-box;
  overflow: hidden;
}

/* Left sidebar with controls */
.presenter-sidebar {
  flex: 0 0 20%;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-height: 100%;
  overflow: hidden;
}

.presenter-widget {
  background: rgba(255,255,255,0.05);
  padding: 1rem;
  border-radius: 10px;
  flex-shrink: 0;
}

.presenter-widget h2 {
  margin-top: 0;
}

.presenter-widget.flex-grow {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

#activeRooms {
  overflow-y: auto;
  overflow-x: hidden;
  flex: 1;
  min-height: 0;
}

/* Middle section - quiz display */
#quizDisplay {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  max-height: 100%;
  overflow: hidden;
  background: rgba(255,255,255,0.05);
  padding: 1rem;
  border-radius: 10px;
}

#quizTitle {
  margin-top: 0;
  flex-shrink: 0;
}

#questionsSection {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

#questionsList {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  overflow-x: hidden;
  margin-bottom: 1rem;
  padding: 0.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.presenter-controls {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.presenter-controls-row {
  display: flex;
  gap: 0.5rem;
}

/* Right sidebar - player list */
.presenter-players {
  flex: 0 0 20%;
  min-width: 0;
  display: flex;
  flex-direction: column;
  max-height: 100%;
  overflow: hidden;
  background: rgba(255,255,255,0.05);
  padding: 1rem;
  border-radius: 10px;
}

.presenter-players h2 {
  margin-top: 0;
  flex-shrink: 0;
}

#playerList {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  overflow-x: hidden;
}

/* Button styles */
#showQRBtn {
  width: 100%;
  margin-top: 0.5rem;
  background: rgba(0,200,0,0.3);
}

#resumeSessionBtn {
  width: 100%;
  margin-top: 0.5rem;
  background: rgba(255,165,0,0.3);
}

#presentBtn {
  background: rgba(0,123,255,0.3);
  flex: 1;
}

#revealBtn {
  background: rgba(0,200,0,0.3);
  flex: 1;
}

#completeQuizBtn {
  background: rgba(255,165,0,0.4);
  width: 100%;
  padding: 0.75rem;
}

/* QR Modal */
#qrModal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0,0,0,0.9);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 10000;
}

#qrModal.active {
  display: flex;
}

.qr-modal-content {
  background: #1a1a1a;
  padding: 2rem;
  border-radius: 10px;
  text-align: center;
  max-width: 400px;
}

.qr-modal-content h2 {
  margin-top: 0;
  color: #fff;
}

#qrImage {
  width: 300px;
  height: 300px;
  margin: 1rem 0;
}

#qrUrl {
  color: #aaa;
  font-size: 0.9rem;
  word-break: break-all;
}

#closeQRBtn {
  width: 100%;
  padding: 0.75rem;
  margin-top: 1rem;
  background: rgba(255,0,0,0.3);
}

/* ===== COMMON UTILITY CLASSES ===== */

/* Flexbox utilities */
.flex {
  display: flex;
}

.flex-col {
  flex-direction: column;
}

.flex-1 {
  flex: 1;
}

.flex-shrink-0 {
  flex-shrink: 0;
}

.gap-1 {
  gap: 1rem;
}

.gap-2 {
  gap: 2rem;
}

/* Spacing utilities */
.m-0 {
  margin: 0;
}

.mt-0 {
  margin-top: 0;
}

.mt-1 {
  margin-top: 1rem;
}

.mb-1 {
  margin-bottom: 1rem;
}

.p-1 {
  padding: 1rem;
}

.p-2 {
  padding: 2rem;
}

/* Width utilities */
.w-full {
  width: 100%;
}

.max-w-600 {
  max-width: 600px;
}

/* Height utilities */
.h-full {
  height: 100%;
}

.min-h-0 {
  min-height: 0;
}

/* Overflow utilities */
.overflow-hidden {
  overflow: hidden;
}

.overflow-y-auto {
  overflow-y: auto;
}

/* Background utilities */
.bg-translucent {
  background: rgba(255,255,255,0.05);
}

.bg-blue {
  background: rgba(0,123,255,0.2);
}

.bg-red {
  background: rgba(255,0,0,0.3);
}

.bg-green {
  background: rgba(0,200,0,0.3);
}

.bg-orange {
  background: rgba(255,165,0,0.3);
}

/* Border utilities */
.rounded {
  border-radius: 8px;
}

.rounded-lg {
  border-radius: 10px;
}

/* Text utilities */
.text-center {
  text-align: center;
}

.text-sm {
  font-size: 0.9rem;
}

.text-lg {
  font-size: 1.2rem;
}

.text-gray {
  color: #aaa;
}

.font-bold {
  font-weight: bold;
}

/* Display utilities */
.hidden {
  display: none;
}

.block {
  display: block;
}

/* Box sizing */
.box-border {
  box-sizing: border-box;
}