* { box-sizing: border-box; margin: 0; padding: 0; font-family: var(--font-sans); }

  body {
    display: block;
    min-height: 100vh;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    padding: 2.5rem 1rem;
  }

  .container {
    width: 100%;
    max-width: 500px;
    margin: 0 auto;
  }

  .app-card {
    background: var(--color-background-primary);
    border-radius: 20px;
    border: 0.5px solid var(--color-border-tertiary);
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0,0,0,0.15);
  }

  .app-header {
    background: linear-gradient(135deg, #534AB7, #7F77DD);
    padding: 2rem;
    text-align: center;
  }

  .app-header h1 {
    font-size: 26px;
    font-weight: 500;
    color: #fff;
    letter-spacing: -0.5px;
  }

  .app-header p {
    font-size: 13px;
    color: rgba(255,255,255,0.75);
    margin-top: 4px;
  }

  .stats-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    border-bottom: 0.5px solid var(--color-border-tertiary);
  }

  .stat-box {
    padding: 1rem;
    text-align: center;
    border-right: 0.5px solid var(--color-border-tertiary);
  }
  .stat-box:last-child { border-right: none; }

  .stat-num {
    font-size: 24px;
    font-weight: 500;
    color: var(--color-text-primary);
    line-height: 1;
  }
  .stat-num.total { color: #534AB7; }
  .stat-num.done  { color: #1D9E75; }
  .stat-num.pend  { color: #BA7517; }

  .stat-label {
    font-size: 11px;
    color: var(--color-text-tertiary);
    margin-top: 4px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
  }

  .input-area {
    padding: 1.25rem 1.5rem;
    border-bottom: 0.5px solid var(--color-border-tertiary);
    display: flex;
    gap: 8px;
  }

  .input-area input {
    flex: 1;
    padding: 10px 14px;
    font-size: 14px;
    border: 0.5px solid var(--color-border-primary);
    border-radius: 10px;
    background: var(--color-background-secondary);
    color: whitesmoke;
    outline: none;
    transition: border-color 0.15s, box-shadow 0.15s;
  }
  .input-area input:focus {
    border-color: #534AB7;
    box-shadow: 0 0 0 3px rgba(83,74,183,0.12);
  }
  .input-area input::placeholder { color: whitesmoke; }

  .add-btn {
    padding: 10px 20px;
    background: #534AB7;
    color: #fff;
    border: none;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.15s, transform 0.1s;
    white-space: nowrap;
  }
  .add-btn:hover { background: #3C3489; }
  .add-btn:active { transform: scale(0.97); }

  .task-list-wrap { padding: 1rem 1.5rem 1.5rem; min-height: 80px; }

  .empty-state {
    text-align: center;
    padding: 2rem 1rem;
    color: var(--color-text-tertiary);
    font-size: 13px;
  }
  .empty-icon { font-size: 36px; margin-bottom: 10px;  }

  ul { list-style: none; display: flex; flex-direction: column; gap: 8px; }

  li {
    background: var(--color-background-secondary);
    border: 0.5px solid var(--color-border-tertiary);
    border-radius: 12px;
    padding: 12px 14px;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: border-color 0.15s, opacity 0.2s;
    animation: slideIn 0.2s ease;
    color: #E1F5EE;
  }
  @keyframes slideIn { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: translateY(0); } }
  li:hover { border-color: var(--color-border-secondary); }
  li.is-done { opacity: 0.75; }

  .done-btn {
    width: 22px; height: 22px;
    border-radius: 50%;
    border: 1.5px solid var(--color-border-secondary);
    background: transparent;
    cursor: pointer;
    flex-shrink: 0;
    display: flex; align-items: center; justify-content: center;
    font-size: 11px;
    color: transparent;
    transition: all 0.15s;
    color: black;
  }
  .done-btn:hover { border-color: #1D9E75; background: #E1F5EE; color: black; }
  li.is-done .done-btn { background: #1D9E75; border-color: #1D9E75; color: #fff; }

  .task-text {
    flex: 1;
    font-size: 14px;
    color: var(--color-text-primary);
    word-break: break-word;
    transition: color 0.15s;
  }
  li.is-done .task-text {
    text-decoration: line-through;
    color: var(--color-text-tertiary);
  }

  .task-actions { display: flex; gap: 6px; flex-shrink: 0; }

  .act-btn {
    padding: 5px 11px;
    font-size: 12px;
    border-radius: 8px;
    border: 0.5px solid var(--color-border-secondary);
    background: transparent;
    cursor: pointer;
    transition: all 0.15s;
    font-weight: 400;
  }
  .act-btn.edit { color: #185FA5; }
  .act-btn.edit:hover { background: #E6F1FB; border-color: #378ADD; }
  .act-btn.del  { color: #A32D2D; }
  .act-btn.del:hover  { background: #FCEBEB; border-color: #E24B4A; }