:root {
    --primary: #20c997;
    --teal: #138d75;
    --navy: #001f3f;
    --dark-navy: #001737;
    --bg-light: #f4f4f4;
    --white: #ffffff;
    --dark-bg: #1f1f1f;
    --dark-card: #2c2c2c;
    --light-text: #f0f0f0;
    --muted: #aaa;
    --transition: 0.3s ease;
  }
  
  body {
    margin: 0;
    font-family: 'Segoe UI', sans-serif;
    background-color: var(--bg-light);
    color: #222;
    transition: var(--transition);
  }
  
  body.dark {
    background-color: var(--dark-bg);
    color: var(--light-text);
  }
  
  body.mint {
    --primary: #28a745;
    --bg-light: #e8f5e9;
    background-color: var(--bg-light);
    color: #222;
  }
  
  body.night {
    --primary: #6f42c1;
    --bg-light: #2c2f33;
    --dark-card: #23272a;
    background-color: var(--bg-light);
    color: var(--light-text);
  }
  
  /* Header */
  header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    background: var(--white);
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
  }
  
  body.dark header,
  body.night header {
    background: var(--dark-card);
    color: var(--light-text);
  }
  
  header h1 {
    font-size: 1.5rem;
    background: linear-gradient(90deg, var(--primary), var(--teal), var(--navy));
    -webkit-background-clip: text;
    color: transparent;
    font-weight: bold;
  }
  
  /* Main Layout */
  main {
    padding: 2rem;
    max-width: 700px;
    margin: auto;
  }
  
  .quote-box {
    background: var(--white);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    transition: var(--transition);
    color: #222;
  }
  
  body.dark .quote-box,
  body.night .quote-box {
    background: var(--dark-card);
    color: var(--light-text);
  }
  
  #quoteText {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    line-height: 1.5;
  }
  
  /* Buttons */
  .quote-actions button {
    background-color: var(--primary);
    border: none;
    color: white;
    padding: 0.5rem 0.75rem;
    border-radius: 8px;
    margin: 0.25rem;
    cursor: pointer;
  }
  
  /* Editor Section */
  textarea {
    width: 100%;
    padding: 0.5rem;
    border-radius: 6px;
    margin-bottom: 0.5rem;
    border: 1px solid #ccc;
    color: #222;
  }
  
  body.dark textarea,
  body.night textarea {
    background: var(--dark-card);
    color: var(--light-text);
    border: 1px solid #555;
  }
  
  .saved-quotes, .editor, .deleted-quotes {
    margin-top: 2rem;
  }
  
  /* Lists */
  #savedList, #deletedList {
    list-style: none;
    padding: 0;
  }
  
  #savedList li, #deletedList li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem;
    margin-bottom: 0.5rem;
    background: var(--white);
    border-radius: 8px;
    color: #222;
  }
  
  body.dark #savedList li,
  body.night #savedList li,
  body.dark #deletedList li,
  body.night #deletedList li {
    background: var(--dark-card);
    color: var(--light-text);
  }
  
  /* Delete Button */
  .delete-btn {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--muted);
    font-size: 1rem;
  }
  
  .delete-btn:hover {
    color: red;
  }