/* ===============================
   AUTH SYSTEM — TaskMaster AI
   Scope: login / signup only
   =============================== */

   :root {
    --bg-dark: #0b0f1a;
    --bg-panel: #111827;
    --bg-input: #1a1f2e;
  
    --text-main: #ffffff;
    --text-muted: #9ca3af;
  
    --primary: #3b82f6;
    --primary-hover: #2563eb;
  
    --border: #2a2f3f;
  }
  
  /* ---------- Reset ---------- */
  
  * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  html, body {
    height: 100%;
    font-family: Inter, system-ui, -apple-system, sans-serif;
    background: var(--bg-dark);
    color: var(--text-main);
  }
  
  /* ---------- Layout ---------- */
  
  .auth-container {
    display: flex;
    height: 100vh;
  }
  
  /* LEFT PANEL */
  .auth-left {
    width: 40%;
    min-width: 420px;
    background: var(--bg-panel);
    display: flex;
    align-items: center;
    justify-content: center;
  }
  
  /* RIGHT PANEL */
  .auth-right {
    flex: 1;
    background: linear-gradient(135deg, #0ea5e9, #2563eb);
    padding: 60px;
    color: white;
    position: relative;
    overflow: hidden;
  }
  
  /* ---------- Auth Box ---------- */
  
  .auth-box {
    width: 100%;
    max-width: 380px;
  }
  
  /* ---------- Logo ---------- */
  
  .logo {
    text-align: center;
    margin-bottom: 28px;
  }
  
  .logo img {
    height: 46px;
    margin-bottom: 10px;
  }
  
  .logo h2 {
    font-size: 1.4rem;
    font-weight: 600;
  }
  
  .logo p {
    font-size: 0.9rem;
    color: var(--text-muted);
  }
  
  /* ---------- OAuth ---------- */
  
  .oauth-btn {
    width: 100%;
    padding: 12px;
    border-radius: 8px;
    background: #ffffff;
    color: #111;
    border: none;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    gap: 10px;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
  }
  
  .oauth-btn:hover {
    background: #f3f4f6;
  }
  
  /* ---------- Divider ---------- */
  
  .divider {
    text-align: center;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin: 18px 0;
    position: relative;
  }
  
  .divider::before,
  .divider::after {
    content: "";
    height: 1px;
    width: 40%;
    background: var(--border);
    position: absolute;
    top: 50%;
  }
  
  .divider::before { left: 0; }
  .divider::after  { right: 0; }
  
  /* ---------- Fields ---------- */
  
  .field {
    margin-bottom: 16px;
  }
  
  .field label {
    display: block;
    font-size: 0.85rem;
    margin-bottom: 6px;
    color: var(--text-muted);
  }
  
  .field label.between {
    display: flex;
    justify-content: space-between;
  }
  
  .field input {
    width: 100%;
    padding: 12px;
    border-radius: 8px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    color: white;
    outline: none;
  }
  
  .field input:focus {
    border-color: var(--primary);
  }
  
  /* ---------- Login Button ---------- */
  
  .login-btn {
    width: 100%;
    margin-top: 10px;
    padding: 13px;
    border-radius: 8px;
    background: var(--primary);
    border: none;
    color: white;
    font-weight: 600;
    cursor: pointer;
  }
  
  .login-btn:hover {
    background: var(--primary-hover);
  }
  
  /* ---------- Footer ---------- */
  
  .signup {
    margin-top: 20px;
    text-align: center;
    font-size: 0.9rem;
    color: var(--text-muted);
  }
  
  .signup a {
    color: var(--primary);
    text-decoration: none;
  }
  
  /* ---------- Right Panel ---------- */
  
  .auth-right h1 {
    font-size: 2.4rem;
    max-width: 520px;
    line-height: 1.2;
  }
  
  .auth-right p {
    margin-top: 12px;
    font-size: 1.1rem;
    max-width: 480px;
    opacity: 0.9;
  }
  
  .auth-right img.preview {
    margin-top: 50px;
    max-width: 85%;
    border-radius: 14px;
    box-shadow: 0 30px 80px rgba(0,0,0,0.35);
  }
  
  /* ---------- Responsive ---------- */
  
  @media (max-width: 900px) {
    .auth-right {
      display: none;
    }
  
    .auth-left {
      width: 100%;
    }
  }