:root {
      --bg-main: #f8f6f0;
      --card-bg: #ffffff;
      --text-main: #121316;
      --text-sub: #6c727f;
      --green-dark: #1b3a24;
      --lime-accent: #ccff00;
      --border-dark: #121316;
      --border-light: #e2e8f0;
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
      font-family: 'Plus Jakarta Sans', sans-serif;
      -webkit-tap-highlight-color: transparent;
    }

    body {
      background-color: #0d0e12;
      display: flex;
      justify-content: center;
      align-items: center;
      min-height: 100vh;
    }

    .mobile-frame {
      width: 100%;
      max-width: 420px;
      height: 100vh;
      max-height: 850px;
      background-color: var(--bg-main);
      position: relative;
      display: flex;
      flex-direction: column;
      overflow: hidden;
      box-shadow: 0 25px 50px -12px rgba(0,0,0,0.5);
    }

    @media (min-width: 440px) {
      .mobile-frame {
        border-radius: 40px;
        border: 8px solid #1a1b20;
        height: 840px;
      }
    }

    .screen {
      flex: 1;
      display: flex;
      flex-direction: column;
      padding: 20px 20px 90px 20px;
      overflow-y: auto;
    }

    .hidden { display: none !important; }

    .header-bar {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 16px;
    }

    .brand-header-group {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .wintap-logo-box {
      background-color: var(--green-dark);
      border: 2px solid var(--border-dark);
      border-radius: 10px;
      display: inline-flex;
      justify-content: center;
      align-items: center;
      box-shadow: 2px 2px 0px var(--border-dark);
      width: 32px;
      height: 32px;
    }

    .header-bar h1 {
      font-family: 'DM Serif Display', Georgia, serif;
      font-size: 2rem;
    }

    .home-streak-badge {
      background: var(--card-bg);
      border: 2px solid var(--border-dark);
      border-radius: 12px;
      padding: 6px 10px;
      font-weight: 800;
      font-size: 0.8rem;
      box-shadow: 2px 2px 0px var(--border-dark);
    }

    .top-tap-hero {
      background: var(--card-bg);
      border: 2px solid var(--border-dark);
      border-radius: 24px;
      padding: 24px 20px;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      box-shadow: 4px 4px 0px var(--border-dark);
      margin-bottom: 20px;
      position: relative;
    }

    .big-green-btn {
      width: 140px;
      height: 140px;
      border-radius: 50%;
      background: var(--lime-accent);
      border: 4px solid var(--border-dark);
      color: var(--border-dark);
      font-weight: 800;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      gap: 4px;
      cursor: pointer;
      box-shadow: 0px 6px 0px var(--border-dark);
      transition: transform 0.08s ease, box-shadow 0.08s ease;
      margin-bottom: 12px;
      position: relative;
    }

    .big-green-btn:active {
      transform: translateY(4px);
      box-shadow: 0px 2px 0px var(--border-dark);
    }

    .big-green-btn .main-txt { font-size: 1.25rem; }
    .big-green-btn .sub-txt {
      font-size: 0.75rem;
      opacity: 0.8;
      max-width: 100px;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    /* Floating +1 Popup Animation */
    .tap-pop-badge {
      position: absolute;
      top: 10px;
      left: 50%;
      transform: translateX(-50%);
      background: var(--green-dark);
      color: var(--lime-accent);
      font-size: 1rem;
      font-weight: 800;
      padding: 6px 14px;
      border-radius: 20px;
      border: 2px solid var(--border-dark);
      pointer-events: none;
      z-index: 100;
      animation: popUpFade 0.8s forwards ease-out;
    }

    @keyframes popUpFade {
      0% { opacity: 0; transform: translate(-50%, 0px) scale(0.8); }
      30% { opacity: 1; transform: translate(-50%, -25px) scale(1.1); }
      100% { opacity: 0; transform: translate(-50%, -50px) scale(1); }
    }

    .active-target-hint { font-size: 0.85rem; color: var(--text-sub); font-weight: 600; }
    .active-target-hint strong { color: var(--text-main); }

    .section-title { font-size: 1rem; font-weight: 800; margin-bottom: 8px; }

    .category-section { position: relative; }

    /* Generic floating confirmation badge (e.g. "Category Added!") — same
       pop/fade animation as the +1 win badge, just anchored elsewhere. */
    .toast-pop-badge {
      position: absolute;
      top: -6px;
      left: 50%;
      transform: translateX(-50%);
      background: var(--green-dark);
      color: var(--lime-accent);
      font-size: 0.85rem;
      font-weight: 800;
      padding: 6px 14px;
      border-radius: 20px;
      border: 2px solid var(--border-dark);
      pointer-events: none;
      z-index: 100;
      white-space: nowrap;
      animation: popUpFade 1.2s forwards ease-out;
    }

    .add-category-box { display: flex; gap: 8px; margin-top: 10px; }
    .add-category-box input {
      flex: 1; padding: 10px 14px; border: 2px solid var(--border-dark);
      border-radius: 14px; background: var(--card-bg); font-size: 0.9rem; font-weight: 600; outline: none;
    }
    .add-category-box button {
      background: var(--green-dark); color: #ffffff; border: 2px solid var(--border-dark);
      padding: 0 16px; border-radius: 14px; font-weight: 700; cursor: pointer; box-shadow: 2px 2px 0px var(--border-dark);
    }

    .category-list-bottom { display: flex; flex-direction: column; gap: 10px; margin-top: 15px; }

    .cat-item-card {
      background: var(--card-bg); border: 2px solid var(--border-dark); border-radius: 16px;
      padding: 14px 16px; display: flex; align-items: center; justify-content: space-between;
      cursor: pointer; box-shadow: 3px 3px 0px var(--border-dark);
    }
    .cat-item-card.selected { background: #f0fdf4; border-color: var(--green-dark); }
    .cat-left-info { display: flex; align-items: center; gap: 12px; }
    .cat-icon-box { font-size: 1.5rem; }
    .cat-name-box { font-weight: 700; font-size: 0.95rem; }
    .cat-badge-count {
      background: var(--bg-main); border: 1px solid var(--border-dark); padding: 4px 10px;
      border-radius: 12px; font-weight: 800; font-size: 0.85rem;
    }

    .profile-header { display: flex; align-items: center; gap: 14px; margin-bottom: 20px; }
    .avatar {
      width: 52px; height: 52px; border-radius: 50%; background: #ffd166;
      border: 2px solid var(--border-dark); display: flex; align-items: center;
      justify-content: center; font-size: 1.5rem; flex-shrink: 0;
    }

    .streak-container { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 18px; }
    .stat-card {
      background: var(--card-bg); border: 2px solid var(--border-dark); border-radius: 18px;
      padding: 14px; display: flex; flex-direction: column; gap: 4px; box-shadow: 3px 3px 0px var(--border-dark);
    }
    .stat-label { font-size: 0.75rem; color: var(--text-sub); font-weight: 700; text-transform: uppercase; }
    .stat-value { font-size: 1.5rem; font-weight: 800; color: var(--text-main); display: flex; align-items: center; gap: 6px; }

    .day-wise-card {
      background: var(--card-bg); border: 2px solid var(--border-dark); border-radius: 20px;
      padding: 16px; box-shadow: 3px 3px 0px var(--border-dark); margin-bottom: 20px;
    }
    .days-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 6px; margin-top: 12px; text-align: center; }
    .day-box {
      background: var(--bg-main); border: 1.5px solid var(--border-dark); border-radius: 10px;
      padding: 6px 2px; display: flex; flex-direction: column; align-items: center; gap: 4px;
    }
    .day-box.active { background: #dcfce7; border-color: var(--green-dark); }
    .day-name { font-size: 0.7rem; font-weight: 700; color: var(--text-sub); }
    .day-count { font-size: 0.85rem; font-weight: 800; color: var(--text-main); }

    .manage-card { background: var(--card-bg); border: 2px solid var(--border-dark); border-radius: 20px; padding: 16px; box-shadow: 3px 3px 0px var(--border-dark); }
    .manage-list { list-style: none; display: flex; flex-direction: column; gap: 10px; }
    
    .manage-item {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 8px;
      padding: 10px 0;
      border-bottom: 1px solid var(--border-light);
    }
    .manage-item:last-child { border-bottom: none; }
    
    .manage-item-info {
      display: flex;
      align-items: center;
      gap: 10px;
      flex: 1;
      min-width: 0;
    }
    
    .cat-name-text {
      font-weight: 700;
      font-size: 0.9rem;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
      flex: 1;
    }

    .manage-item-actions { display: flex; align-items: center; gap: 6px; flex-shrink: 0; }

    .icon-edit-btn, .delete-cat-btn {
      background: none; border: 1.5px solid var(--border-dark); border-radius: 8px;
      padding: 6px 10px; cursor: pointer; font-size: 0.75rem; font-weight: 700;
      white-space: nowrap;
    }
    .delete-cat-btn { background: #fee2e2; border-color: #ef4444; color: #991b1b; }

    .modal-overlay {
      position: absolute; top: 0; left: 0; right: 0; bottom: 0; background: rgba(18, 19, 22, 0.6);
      display: flex; justify-content: center; align-items: center; z-index: 1000; padding: 20px;
    }
    .modal-card {
      background: var(--card-bg); border: 3px solid var(--border-dark); border-radius: 24px;
      padding: 20px; width: 100%; max-width: 340px; box-shadow: 6px 6px 0px var(--border-dark);
      display: flex; flex-direction: column; gap: 16px;
    }
    .modal-header { display: flex; justify-content: space-between; align-items: center; }
    .modal-header h4 { font-size: 1.1rem; font-weight: 800; }
    .modal-close-btn { background: none; border: none; font-size: 1.4rem; font-weight: 800; cursor: pointer; color: var(--text-sub); }

    .emoji-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
    .emoji-option {
      background: var(--bg-main); border: 2px solid var(--border-dark); border-radius: 12px;
      font-size: 1.5rem; padding: 10px; display: flex; align-items: center; justify-content: center;
      cursor: pointer; box-shadow: 2px 2px 0px var(--border-dark);
    }

    .bottom-nav {
      position: absolute; bottom: 0; left: 0; right: 0; height: 75px; background: var(--card-bg);
      border-top: 2px solid var(--border-dark); display: flex; justify-content: space-around; align-items: center; padding: 0 20px;
    }
    .nav-item { display: flex; flex-direction: column; align-items: center; gap: 4px; background: none; border: none; color: var(--text-sub); font-weight: 700; font-size: 0.75rem; cursor: pointer; width: 60px; }
    .nav-item svg { width: 24px; height: 24px; stroke: var(--text-sub); fill: none; stroke-width: 2.2; }
    .nav-item.active { color: var(--text-main); }
    .nav-item.active svg { stroke: var(--green-dark); }
    
    .header-right-actions {
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .share-btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 6px;
      background-color: #ffffff;
      color: #121316;
      border: 2px solid #121316;
      border-radius: 9999px;
      padding: 6px 14px;
      font-family: 'Plus Jakarta Sans', sans-serif;
      font-size: 14px;
      font-weight: 700;
      cursor: pointer;
      box-shadow: 2px 2px 0px #121316;
      transition: transform 0.1s ease, box-shadow 0.1s ease;
    }

    .share-btn:active {
      transform: translate(1px, 1px);
      box-shadow: 1px 1px 0px #121316;
    }

    .share-btn svg {
      display: block;
    }

    /* --- Login page --- */
    .login-screen {
      flex: 1;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      padding: 32px 28px;
      text-align: center;
      gap: 10px;
    }
    .login-logo-box {
      background-color: var(--green-dark);
      border: 3px solid var(--border-dark);
      border-radius: 20px;
      display: inline-flex;
      justify-content: center;
      align-items: center;
      box-shadow: 4px 4px 0px var(--border-dark);
      width: 72px;
      height: 72px;
      margin-bottom: 18px;
    }
    .login-title {
      font-family: 'DM Serif Display', Georgia, serif;
      font-size: 2.4rem;
      margin-bottom: 6px;
    }
    .login-subtitle {
      font-size: 0.95rem;
      color: var(--text-sub);
      font-weight: 600;
      margin-bottom: 34px;
      max-width: 280px;
    }
    .login-error {
      background: #fee2e2;
      border: 2px solid #ef4444;
      color: #991b1b;
      font-weight: 700;
      font-size: 0.85rem;
      padding: 10px 14px;
      border-radius: 12px;
      margin-top: 20px;
      max-width: 300px;
    }
    .login-loading {
      font-weight: 700;
      color: var(--text-sub);
      font-size: 0.85rem;
      margin-top: 18px;
    }
    #g_id_signin_container {
      min-height: 44px;
    }
    .login-terms {
      font-size: 0.75rem;
      color: var(--text-sub);
      margin-top: 40px;
      max-width: 280px;
      line-height: 1.4;
    }
    .login-terms a {
      color: var(--green-dark);
      font-weight: 700;
      text-decoration: underline;
    }

    /* --- Bottom nav as real links, not buttons --- */
    .nav-item {
      text-decoration: none;
    }

    /* --- Logout button on profile page --- */
    .logout-btn {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      width: 100%;
      background: var(--card-bg);
      color: #991b1b;
      border: 2px solid var(--border-dark);
      border-radius: 16px;
      padding: 14px;
      font-weight: 800;
      font-size: 0.9rem;
      cursor: pointer;
      box-shadow: 3px 3px 0px var(--border-dark);
      margin-top: 20px;
    }
    .logout-btn:active {
      transform: translate(1px, 1px);
      box-shadow: 2px 2px 0px var(--border-dark);
    }

    /* --- Legal pages (Terms / Privacy) — full-width readable document, not the phone frame --- */
    body.legal-body {
      display: block;
      background-color: var(--bg-main);
      min-height: 100vh;
    }
    .legal-wrap {
      max-width: 700px;
      margin: 0 auto;
      padding: 32px 24px 80px;
    }
    .legal-header {
      display: flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 8px;
    }
    .legal-header h1 {
      font-family: 'DM Serif Display', Georgia, serif;
      font-size: 1.6rem;
    }
    .legal-updated {
      color: var(--text-sub);
      font-weight: 600;
      font-size: 0.85rem;
      margin-bottom: 28px;
    }
    .legal-wrap h2 {
      font-size: 1.1rem;
      font-weight: 800;
      margin-top: 28px;
      margin-bottom: 10px;
    }
    .legal-wrap p, .legal-wrap li {
      font-size: 0.92rem;
      line-height: 1.6;
      color: var(--text-main);
      margin-bottom: 10px;
    }
    .legal-wrap ul {
      padding-left: 20px;
      margin-bottom: 14px;
    }
    .legal-wrap a { color: var(--green-dark); font-weight: 700; }
    .legal-back {
      display: inline-block;
      margin-top: 30px;
      font-weight: 700;
      font-size: 0.85rem;
      color: var(--green-dark);
      text-decoration: none;
    }