/* ═══════════════════════════════════════════════════════════════
   PUKY WALLET — REDESIGNED UI v4.0
   Mobile-first • Bottom Tab Navigation • Premium Dark/Light Theme
   ═══════════════════════════════════════════════════════════════ */

   @import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

   *, *::before, *::after {
     margin: 0;
     padding: 0;
     box-sizing: border-box;
     -webkit-tap-highlight-color: transparent;
   }
   
   :root {
     --accent:        #4f7cff;
     --accent-2:      #7b5cff;
     --accent-grad:   linear-gradient(135deg, #4f7cff 0%, #7b5cff 100%);
     --success:       #10d98a;
     --danger:        #ff4d6d;
     --warning:       #ffb830;
     --bg:            #f0f3fb;
     --bg-card:       #ffffff;
     --bg-input:      #f4f6fd;
     --bg-hover:      #eaedfa;
     --border:        #dde2f0;
     --border-focus:  #4f7cff;
     --text:          #0d1226;
     --text-2:        #4a5270;
     --text-3:        #8a92b2;
     --shadow-sm:     0 2px 8px rgba(79,124,255,0.07);
     --shadow:        0 4px 24px rgba(79,124,255,0.1);
     --shadow-lg:     0 12px 48px rgba(79,124,255,0.15);
     --radius:        16px;
     --radius-sm:     10px;
     --radius-pill:   100px;
     --font:          'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
     --navbar-h:      calc(60px + env(safe-area-inset-top, 0px));
     --tab-bar-h:     calc(62px + env(safe-area-inset-bottom, 0px));
     --transition:    0.22s cubic-bezier(0.4,0,0.2,1);
   }
   
   html.dark-theme, [data-theme="dark"] {
     --bg:            #080c18;
     --bg-card:       #111625;
     --bg-input:      #181f33;
     --bg-hover:      #1e2640;
     --border:        #232e4a;
     --text:          #eef0fb;
     --text-2:        #9aa3c8;
     --text-3:        #5a638a;
     --shadow-sm:     0 2px 8px rgba(0,0,0,0.25);
     --shadow:        0 4px 24px rgba(0,0,0,0.4);
     --shadow-lg:     0 12px 48px rgba(0,0,0,0.6);
   }
   
   html { scroll-behavior: smooth; }
   
   body {
     font-family: var(--font);
     background: var(--bg);
     color: var(--text);
     min-height: 100vh;
     line-height: 1.6;
     -webkit-font-smoothing: antialiased;
     overflow-x: hidden;
   }
   
   ::-webkit-scrollbar { width: 4px; height: 4px; }
   ::-webkit-scrollbar-track { background: transparent; }
   ::-webkit-scrollbar-thumb { background: var(--border); border-radius: 10px; }
   
   #loadingOverlay {
     display: none !important;
     position: fixed;
     inset: 0;
     background: var(--bg);
     z-index: 99999;
     align-items: center;
     justify-content: center;
     flex-direction: column;
     gap: 20px;
     transition: opacity 0.5s ease, visibility 0.5s ease;
   }
   #loadingOverlay.hidden { display: none !important; opacity: 0; visibility: hidden; pointer-events: none; }
   
   .loader-wrapper { text-align: center; }
   
   .loader-icon-wrap {
     width: 88px;
     height: 88px;
     border-radius: 28px;
     background: var(--accent-grad);
     display: flex;
     align-items: center;
     justify-content: center;
     margin: 0 auto 20px;
     box-shadow: 0 0 40px rgba(79,124,255,0.5);
     animation: pulse-icon 2s ease-in-out infinite;
   }
   .loader-icon-wrap img { width: 56px; height: 56px; border-radius: 16px; object-fit: cover; }
   
   @keyframes pulse-icon {
     0%, 100% { box-shadow: 0 0 30px rgba(79,124,255,0.4); transform: scale(1); }
     50% { box-shadow: 0 0 60px rgba(123,92,255,0.6); transform: scale(1.04); }
   }
   
   .loader-title { font-size: 1.5rem; font-weight: 800; letter-spacing: -0.5px; background: var(--accent-grad); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
   .loader-sub { font-size: 0.8rem; color: var(--text-3); margin: 4px 0 20px; }
   
   .loader-progress { width: 200px; height: 3px; background: var(--border); border-radius: 10px; overflow: hidden; margin: 0 auto 8px; }
   .loader-progress-bar { height: 100%; background: var(--accent-grad); border-radius: 10px; width: 0%; transition: width 0.3s ease; }
   .loader-percent { font-size: 0.7rem; color: var(--text-3); }
   
   #app {
     display: flex;
     flex-direction: column;
     min-height: 100vh;
     min-height: 100dvh;
     opacity: 0;
     animation: fadeIn 0.5s ease 0.2s forwards;
   }
   @keyframes fadeIn { to { opacity: 1; } }
   
   .navbar {
     position: sticky;
     top: 0;
     z-index: 200;
     background: var(--bg-card);
     border-bottom: 1px solid var(--border);
     height: var(--navbar-h);
     display: flex;
     align-items: center;
     justify-content: space-between;
     padding: env(safe-area-inset-top, 0px) 16px 0;
     backdrop-filter: blur(20px);
     -webkit-backdrop-filter: blur(20px);
   }
   
   .navbar-brand {
     display: flex;
     align-items: center;
     gap: 10px;
   }
   .navbar-icon {
     width: 36px;
     height: 36px;
     border-radius: 11px;
     object-fit: cover;
     box-shadow: 0 2px 12px rgba(79,124,255,0.3);
   }
   .navbar-title {
     font-size: 1.1rem;
     font-weight: 800;
     letter-spacing: -0.3px;
     background: var(--accent-grad);
     -webkit-background-clip: text;
     -webkit-text-fill-color: transparent;
   }
   .navbar-subtitle {
     font-size: 0.6rem;
     color: var(--text-3);
     font-weight: 500;
     letter-spacing: 0.3px;
     display: block;
     margin-top: -2px;
   }
   
   .navbar-actions {
     display: flex;
     align-items: center;
     gap: 6px;
   }
   
   .nav-icon-btn {
     width: 36px;
     height: 36px;
     border: 1px solid var(--border);
     border-radius: var(--radius-sm);
     background: var(--bg-input);
     color: var(--text-2);
     font-size: 0.85rem;
     cursor: pointer;
     display: flex;
     align-items: center;
     justify-content: center;
     transition: all var(--transition);
   }
   .nav-icon-btn:hover {
     background: var(--accent);
     border-color: var(--accent);
     color: #fff;
     transform: scale(1.05);
   }
   
   .network-select {
     padding: 5px 10px;
     border: 1px solid var(--border);
     border-radius: var(--radius-sm);
     background: var(--bg-input);
     font-size: 0.72rem;
     font-weight: 600;
     color: var(--text-2);
     font-family: var(--font);
     cursor: pointer;
     outline: none;
     max-width: 110px;
     transition: border-color var(--transition);
   }
   .network-select:focus { border-color: var(--accent); }
   
   .main-scroll {
     flex: 1;
     overflow-y: auto;
     padding: 16px 16px calc(var(--tab-bar-h) + 16px);
     max-width: 600px;
     width: 100%;
     margin: 0 auto;
   }
   
   .tab-bar {
     position: fixed;
     bottom: 0;
     left: 0;
     right: 0;
     z-index: 300;
     background: var(--bg-card);
     border-top: 1px solid var(--border);
     height: var(--tab-bar-h);
     display: flex;
     align-items: center;
     justify-content: space-around;
     padding: 0 8px env(safe-area-inset-bottom, 0px);
     backdrop-filter: blur(20px);
     -webkit-backdrop-filter: blur(20px);
   }
   
   .tab-item {
     flex: 1;
     display: flex;
     flex-direction: column;
     align-items: center;
     justify-content: center;
     gap: 3px;
     cursor: pointer;
     border: none;
     background: transparent;
     color: var(--text-3);
     font-family: var(--font);
     font-size: 0.62rem;
     font-weight: 600;
     letter-spacing: 0.2px;
     padding: 6px 4px 2px;
     border-radius: 12px;
     transition: all var(--transition);
     position: relative;
   }
   .tab-item i { font-size: 1.15rem; transition: all var(--transition); }
   .tab-item.active { color: var(--accent); }
   .tab-item.active i { transform: scale(1.15); }
   .tab-item.active::before {
     content: '';
     position: absolute;
     top: 0;
     width: 32px;
     height: 3px;
     background: var(--accent-grad);
     border-radius: 0 0 4px 4px;
   }
   .tab-item:hover { color: var(--accent); background: var(--bg-hover); }
   
   .tab-item.tab-scan {
     background: var(--accent-grad);
     color: #fff;
     border-radius: 16px;
     width: 56px;
     height: 56px;
     max-width: 60px;
     margin-bottom: 8px;
     box-shadow: 0 4px 16px rgba(79,124,255,0.4);
     flex: 0 0 60px;
   }
   .tab-item.tab-scan i { font-size: 1.3rem; }
   .tab-item.tab-scan.active::before { display: none; }
   .tab-item.tab-scan:hover { transform: scale(1.08); box-shadow: 0 6px 24px rgba(79,124,255,0.5); }
   
   .page { display: none; }
   .page.active { display: block; animation: pageFade 0.22s ease; }
   @keyframes pageFade { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
   
   .stats-row {
     display: grid;
     grid-template-columns: 1fr 1fr;
     gap: 10px;
     margin-bottom: 16px;
   }
   
   .stat-card {
     background: var(--bg-card);
     border: 1px solid var(--border);
     border-radius: var(--radius);
     padding: 14px 16px;
     display: flex;
     align-items: center;
     gap: 12px;
     box-shadow: var(--shadow-sm);
     transition: all var(--transition);
     animation: slideUp 0.4s ease backwards;
   }
   .stat-card:hover { box-shadow: var(--shadow); transform: translateY(-1px); }
   
   @keyframes slideUp {
     from { opacity: 0; transform: translateY(16px); }
     to { opacity: 1; transform: translateY(0); }
   }
   
   .stat-icon {
     width: 40px;
     height: 40px;
     border-radius: 12px;
     display: flex;
     align-items: center;
     justify-content: center;
     font-size: 1rem;
     flex-shrink: 0;
   }
   .stat-info { min-width: 0; flex: 1; }
   .stat-label { font-size: 0.65rem; font-weight: 600; color: var(--text-3); text-transform: uppercase; letter-spacing: 0.5px; display: block; margin-bottom: 2px; }
   .stat-value { font-size: 1.1rem; font-weight: 800; color: var(--text); letter-spacing: -0.5px; }
   .stat-currency { font-size: 0.65rem; font-weight: 600; color: var(--text-3); margin-left: 2px; }
   
   .balance-hero {
     background: var(--accent-grad);
     border-radius: var(--radius);
     padding: 24px 20px;
     margin-bottom: 16px;
     position: relative;
     overflow: hidden;
     box-shadow: var(--shadow-lg);
   }
   .balance-hero::before {
     content: '';
     position: absolute;
     top: -40px; right: -40px;
     width: 160px; height: 160px;
     background: rgba(255,255,255,0.08);
     border-radius: 50%;
   }
   .balance-hero::after {
     content: '';
     position: absolute;
     bottom: -60px; left: -30px;
     width: 200px; height: 200px;
     background: rgba(255,255,255,0.05);
     border-radius: 50%;
   }
   .balance-hero-label { font-size: 0.72rem; font-weight: 600; color: rgba(255,255,255,0.7); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 4px; }
   .balance-hero-amount { font-size: 2.2rem; font-weight: 900; color: #fff; letter-spacing: -1.5px; line-height: 1; }
   .balance-hero-ticker { font-size: 1rem; font-weight: 500; color: rgba(255,255,255,0.8); margin-left: 6px; vertical-align: super; font-size: 0.9rem; }
   .balance-hero-meta { display: flex; gap: 16px; margin-top: 14px; flex-wrap: wrap; }
   .balance-meta-item { display: flex; flex-direction: column; gap: 1px; }
   .balance-meta-label { font-size: 0.6rem; color: rgba(255,255,255,0.6); text-transform: uppercase; letter-spacing: 0.5px; }
   .balance-meta-value { font-size: 0.82rem; font-weight: 700; color: rgba(255,255,255,0.95); }
   
   .balance-hero-actions {
     display: flex;
     gap: 8px;
     margin-top: 16px;
     position: relative;
     z-index: 1;
   }
   .hero-action-btn {
     flex: 1;
     padding: 9px 12px;
     border: 1.5px solid rgba(255,255,255,0.35);
     border-radius: var(--radius-sm);
     background: rgba(255,255,255,0.15);
     color: #fff;
     font-family: var(--font);
     font-size: 0.75rem;
     font-weight: 700;
     cursor: pointer;
     display: flex;
     align-items: center;
     justify-content: center;
     gap: 6px;
     transition: all var(--transition);
     backdrop-filter: blur(8px);
   }
   .hero-action-btn:hover { background: rgba(255,255,255,0.25); transform: translateY(-1px); }
   
   .section-title {
     font-size: 0.75rem;
     font-weight: 700;
     color: var(--text-3);
     text-transform: uppercase;
     letter-spacing: 1px;
     margin-bottom: 10px;
     margin-top: 6px;
     display: flex;
     align-items: center;
     justify-content: space-between;
   }
   .section-title a {
     font-size: 0.7rem;
     color: var(--accent);
     text-decoration: none;
     font-weight: 600;
     text-transform: none;
     letter-spacing: 0;
   }
   .section-title a:hover { text-decoration: underline; }
   
   .card {
     background: var(--bg-card);
     border: 1px solid var(--border);
     border-radius: var(--radius);
     padding: 16px;
     margin-bottom: 12px;
     box-shadow: var(--shadow-sm);
     transition: all var(--transition);
   }
   .card:hover { box-shadow: var(--shadow); }
   
   .card-header {
     display: flex;
     align-items: center;
     justify-content: space-between;
     margin-bottom: 14px;
   }
   .card-title { font-size: 0.9rem; font-weight: 700; color: var(--text); display: flex; align-items: center; gap: 8px; }
   .card-title i { color: var(--accent); font-size: 0.85rem; }
   
   .wallet-list { display: flex; flex-direction: column; gap: 8px; }
   
   .wallet-item {
     display: flex;
     align-items: center;
     gap: 12px;
     padding: 12px 14px;
     border: 1px solid var(--border);
     border-radius: var(--radius-sm);
     background: var(--bg-card);
     cursor: pointer;
     transition: all var(--transition);
   }
    .wallet-item:hover { border-color: var(--accent); background: var(--bg-hover); }
    .wallet-item.selected { border-color: var(--accent); background: rgba(79,124,255,0.07); }
    .wallet-item.active { border-color: var(--accent); background: rgba(79, 124, 255, 0.08); box-shadow: 0 0 0 1px var(--accent); }
    
    .wallet-item-actions {
      display: flex;
      align-items: center;
      gap: 6px;
      flex-shrink: 0;
    }
    
    .wallet-edit-btn, .wallet-delete {
      width: 28px;
      height: 28px;
      border-radius: 8px;
      border: 1px solid var(--border);
      background: var(--bg-input);
      color: var(--text-2);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.72rem;
      cursor: pointer;
      transition: all var(--transition);
    }
    
    .wallet-edit-btn:hover {
      border-color: var(--accent);
      color: var(--accent);
      background: rgba(79, 124, 255, 0.1);
    }
    
    .wallet-delete:hover {
      border-color: var(--danger);
      color: var(--danger);
      background: rgba(255, 77, 109, 0.1);
    }
   
   .wallet-avatar {
     width: 40px;
     height: 40px;
     border-radius: 12px;
     background: var(--accent-grad);
     display: flex;
     align-items: center;
     justify-content: center;
     color: #fff;
     font-weight: 800;
     font-size: 1.1rem;
     flex-shrink: 0;
   }
   .wallet-info { flex: 1; min-width: 0; }
   .wallet-name { font-size: 0.85rem; font-weight: 700; color: var(--text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
   .wallet-addr { font-size: 0.68rem; color: var(--text-3); font-family: monospace; letter-spacing: 0.3px; }
   .wallet-bal { text-align: right; flex-shrink: 0; }
   .wallet-bal-value { font-size: 0.9rem; font-weight: 700; color: var(--text); }
   .wallet-bal-label { font-size: 0.6rem; color: var(--text-3); }
   
   .search-box {
     position: relative;
     margin-bottom: 12px;
   }
   .search-box input {
     width: 100%;
     padding: 10px 14px 10px 36px;
     border: 1px solid var(--border);
     border-radius: var(--radius-sm);
     background: var(--bg-input);
     color: var(--text);
     font-family: var(--font);
     font-size: 0.82rem;
     outline: none;
     transition: border-color var(--transition);
   }
   .search-box input:focus { border-color: var(--accent); }
   .search-box i { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); color: var(--text-3); font-size: 0.75rem; }
   
   .form-group { margin-bottom: 14px; }
   .form-group label {
     display: block;
     font-size: 0.75rem;
     font-weight: 600;
     color: var(--text-2);
     margin-bottom: 6px;
     display: flex;
     align-items: center;
     gap: 6px;
   }
   .form-group label i { color: var(--accent); }
   .form-group input, .form-group select, .form-group textarea {
     width: 100%;
     padding: 11px 14px;
     border: 1.5px solid var(--border);
     border-radius: var(--radius-sm);
     background: var(--bg-input);
     color: var(--text);
     font-family: var(--font);
     font-size: 0.85rem;
     outline: none;
     transition: all var(--transition);
   }
   .form-group input:focus, .form-group select:focus, .form-group textarea:focus {
     border-color: var(--accent);
     box-shadow: 0 0 0 3px rgba(79,124,255,0.12);
     background: var(--bg-card);
   }
   .form-group input[readonly] { cursor: default; opacity: 0.7; }
   .form-group .helper-text { font-size: 0.7rem; color: var(--text-3); margin-top: 5px; display: flex; align-items: center; gap: 4px; }
   
   .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
   @media (max-width: 600px) { .form-row { grid-template-columns: 1fr; } }
   
   .btn, .btn-primary, .btn-outline, .btn-sm, .btn-danger {
     display: inline-flex;
     align-items: center;
     justify-content: center;
     gap: 6px;
     padding: 11px 18px;
     border-radius: var(--radius-sm);
     font-family: var(--font);
     font-size: 0.82rem;
     font-weight: 700;
     cursor: pointer;
     transition: all var(--transition);
     border: 1.5px solid transparent;
     text-decoration: none;
     white-space: nowrap;
   }
   .btn-primary {
     background: var(--accent-grad);
     color: #fff;
     border-color: transparent;
     box-shadow: 0 4px 16px rgba(79,124,255,0.3);
   }
   .btn-primary:hover { transform: translateY(-1px); box-shadow: 0 6px 24px rgba(79,124,255,0.45); }
   .btn-primary:active { transform: translateY(0); }
   
   .btn-outline {
     background: transparent;
     border-color: var(--border);
     color: var(--text-2);
   }
   .btn-outline:hover { border-color: var(--accent); color: var(--accent); background: rgba(79,124,255,0.06); }
   
   .btn-sm { padding: 7px 13px; font-size: 0.75rem; }
   .btn-danger { background: var(--danger); color: #fff; border-color: var(--danger); }
   .btn-danger:hover { transform: translateY(-1px); box-shadow: 0 4px 16px rgba(255,77,109,0.35); }
   
   .btn-group { display: flex; gap: 8px; flex-wrap: wrap; }
   
   .tx-list { display: flex; flex-direction: column; width: 100%; }
   .tx-item {
     display: flex;
     align-items: center;
     gap: 6px;
     padding: 10px 0;
     border-bottom: 1px solid var(--border);
     cursor: pointer;
     transition: all var(--transition);
     min-width: 0;
     width: 100%;
     overflow: hidden;
   }
   .tx-item:last-child { border-bottom: none; }
   .tx-item:hover { background: var(--bg-hover); margin: 0 -8px; padding: 10px 8px; border-radius: var(--radius-sm); }
   
   /* Mobile: wrap amount+time below badge+address */
    @media (max-width: 480px) {
      .tx-item {
        flex-wrap: wrap;
      }
      .tx-item .tx-type-badge {
        flex-shrink: 0;
      }
      .tx-item .tx-address-cell {
        flex: 1;
        min-width: 60px;
      }
      .tx-item .tx-amount {
        margin-left: auto;
      }
      .tx-item .tx-time {
        width: 100%;
        padding-left: 0;
        margin-top: 0;
      }
      .stats-row {
        grid-template-columns: repeat(3, 1fr) !important;
        gap: 6px !important;
      }
      .stat-card {
        padding: 8px 6px !important;
        gap: 6px !important;
        flex-direction: column !important;
        text-align: center !important;
        align-items: center !important;
        justify-content: center !important;
      }
      .stat-icon {
        width: 28px !important;
        height: 28px !important;
        font-size: 0.8rem !important;
        margin: 0 auto !important;
      }
      .stat-info {
        text-align: center !important;
        width: 100% !important;
      }
      .stat-label {
        font-size: 0.55rem !important;
        margin-bottom: 2px !important;
      }
      .stat-value {
        font-size: 0.85rem !important;
      }
    }

   .tx-type-badge {
     display: inline-flex;
     align-items: center;
     gap: 4px;
     padding: 3px 8px;
     border-radius: var(--radius-pill);
     font-size: 0.62rem;
     font-weight: 700;
     text-transform: uppercase;
     letter-spacing: 0.4px;
     white-space: nowrap;
     flex-shrink: 0;
   }
   .tx-type-badge.transfer { background: rgba(79,124,255,0.15); color: var(--accent); }
   .tx-type-badge.stake    { background: rgba(123,92,255,0.15); color: var(--accent-2); }
   .tx-type-badge.unstake  { background: rgba(255,184,48,0.15); color: var(--warning); }
   .tx-type-badge.reward   { background: rgba(16,217,138,0.15); color: var(--success); }
   .tx-type-badge.faucet   { background: rgba(16,217,138,0.15); color: var(--success); }
   .tx-type-badge.genesis  { background: rgba(16,217,138,0.15); color: var(--success); }
   
   .tx-address-cell {
     font-size: 0.67rem;
     color: var(--text-3);
     font-family: monospace;
     white-space: nowrap;
     overflow: hidden;
     text-overflow: ellipsis;
     min-width: 0;
   }
   
   .tx-icon {
     width: 36px;
     height: 36px;
     border-radius: 10px;
     display: flex;
     align-items: center;
     justify-content: center;
     font-size: 0.85rem;
     flex-shrink: 0;
   }
   .tx-icon.send    { background: rgba(255,77,109,0.12); color: var(--danger); }
   .tx-icon.receive { background: rgba(16,217,138,0.12); color: var(--success); }
   .tx-icon.reward  { background: rgba(255,184,48,0.12); color: var(--warning); }
   .tx-icon.stake   { background: rgba(79,124,255,0.12); color: var(--accent); }
   
   .tx-info { flex: 1; min-width: 0; }
   .tx-type { font-size: 0.82rem; font-weight: 700; color: var(--text); }
   .tx-hash { font-size: 0.67rem; color: var(--text-3); font-family: monospace; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
   .tx-amount { text-align: right; flex-shrink: 0; font-size: 0.8rem; font-weight: 700; white-space: nowrap; }
   .tx-amount.positive { color: var(--success); }
   .tx-amount.negative { color: var(--danger); }
   .tx-amount-val { font-size: 0.9rem; font-weight: 700; }
   .tx-amount-val.pos { color: var(--success); }
   .tx-amount-val.neg { color: var(--danger); }
   .tx-time { font-size: 0.58rem; color: var(--text-3); text-align: right; white-space: nowrap; }
   
   /* Recent TX Preview on home screen */
   .recent-tx-preview { display: flex; flex-direction: column; }
   .recent-tx-preview .tx-item { flex-wrap: nowrap; }
   .recent-tx-preview .tx-item .tx-address-cell { max-width: 100px; }
   @media (max-width: 360px) {
     .recent-tx-preview .tx-item { flex-wrap: wrap; }
   }

   .inner-tabs {
     display: flex;
     gap: 4px;
     background: var(--bg-input);
     border-radius: var(--radius-sm);
     padding: 4px;
     margin-bottom: 16px;
     overflow-x: auto;
     scrollbar-width: none;
   }
   .inner-tabs::-webkit-scrollbar { display: none; }
   .inner-tab-btn {
     flex: 1;
     min-width: 60px;
     padding: 8px 10px;
     border: none;
     background: transparent;
     color: var(--text-3);
     font-family: var(--font);
     font-size: 0.72rem;
     font-weight: 700;
     border-radius: 7px;
     cursor: pointer;
     transition: all var(--transition);
     display: flex;
     align-items: center;
     justify-content: center;
     gap: 5px;
     white-space: nowrap;
   }
   .inner-tab-btn.active {
     background: var(--bg-card);
     color: var(--accent);
     box-shadow: var(--shadow-sm);
   }
   .inner-tab-btn:hover:not(.active) { color: var(--text-2); }
   
   .inner-tab-panel { display: none; }
   .inner-tab-panel.active { display: block; }
   
   .chart-wrapper { position: relative; height: 180px; }
   
   .empty-state {
     text-align: center;
     padding: 32px 20px;
     color: var(--text-3);
   }
   .empty-state i { font-size: 2.5rem; margin-bottom: 12px; opacity: 0.4; display: block; }
   .empty-state p { font-size: 0.85rem; }
   
   .address-row {
     display: flex;
     align-items: center;
     gap: 8px;
     background: var(--bg-input);
     border: 1px solid var(--border);
     border-radius: var(--radius-sm);
     padding: 10px 12px;
     margin-bottom: 8px;
   }
   .address-mono {
     flex: 1;
     font-family: monospace;
     font-size: 0.7rem;
     color: var(--text-2);
     word-break: break-all;
     line-height: 1.5;
   }
   .copy-btn {
     width: 30px;
     height: 30px;
     border: 1px solid var(--border);
     border-radius: 8px;
     background: var(--bg-card);
     color: var(--text-3);
     cursor: pointer;
     display: flex;
     align-items: center;
     justify-content: center;
     font-size: 0.75rem;
     flex-shrink: 0;
     transition: all var(--transition);
   }
   .copy-btn:hover { color: var(--accent); border-color: var(--accent); }
   
   .filter-row {
     display: flex;
     gap: 6px;
     margin-bottom: 12px;
     flex-wrap: wrap;
     max-width: 100%;
     box-sizing: border-box;
   }
   .filter-row select {
     padding: 7px 8px;
     border: 1px solid var(--border);
     border-radius: var(--radius-sm);
     background: var(--bg-input);
     color: var(--text-2);
     font-family: var(--font);
     font-size: 0.7rem;
     font-weight: 600;
     cursor: pointer;
     outline: none;
     min-width: 0;
     max-width: 130px;
     flex: 1 1 auto;
   }
   .filter-row select:focus { border-color: var(--accent); }
   @media (max-width: 400px) {
     .filter-row select { font-size: 0.65rem; padding: 5px 6px; max-width: 110px; }
     .filter-row .btn { padding: 6px 8px; }
   }

   .badge {
     display: inline-flex;
     align-items: center;
     padding: 2px 8px;
     border-radius: var(--radius-pill);
     font-size: 0.6rem;
     font-weight: 700;
     text-transform: uppercase;
     letter-spacing: 0.5px;
   }
   .badge-success { background: rgba(16,217,138,0.15); color: var(--success); }
   .badge-danger  { background: rgba(255,77,109,0.15); color: var(--danger); }
   .badge-warning { background: rgba(255,184,48,0.15); color: var(--warning); }
   .badge-info    { background: rgba(79,124,255,0.15); color: var(--accent); }
   
   .modal-overlay {
     display: none;
     position: fixed;
     inset: 0;
     background: rgba(0,0,0,0.55);
     z-index: 500;
     align-items: flex-end;
     justify-content: center;
     backdrop-filter: blur(4px);
   }
   .modal-overlay.active { display: flex; }
   
   .modal {
     background: var(--bg-card);
     border-radius: var(--radius) var(--radius) 0 0;
     width: 100%;
     max-width: 540px;
     max-height: 92dvh;
     overflow-y: auto;
     padding: 0 0 env(safe-area-inset-bottom, 0px) 0;
     box-shadow: var(--shadow-lg);
     animation: slideModal 0.3s cubic-bezier(0.34,1.56,0.64,1);
   }
   .modal.modal-center {
     border-radius: var(--radius);
     max-height: 85dvh;
     margin: auto;
   }
   
   @keyframes slideModal {
     from { transform: translateY(100%); opacity: 0; }
     to { transform: translateY(0); opacity: 1; }
   }
   .modal.modal-center { animation: scaleModal 0.25s ease; }
   @keyframes scaleModal {
     from { transform: scale(0.92); opacity: 0; }
     to { transform: scale(1); opacity: 1; }
   }
   
   .modal-handle {
     width: 40px;
     height: 4px;
     background: var(--border);
     border-radius: 10px;
     margin: 10px auto 0;
   }
   .modal-header {
     display: flex;
     align-items: center;
     justify-content: space-between;
     padding: 16px 20px;
     border-bottom: 1px solid var(--border);
     position: sticky;
     top: 0;
     background: var(--bg-card);
     z-index: 10;
   }
   .modal-header h3 {
     font-size: 1rem;
     font-weight: 800;
     color: var(--text);
     display: flex;
     align-items: center;
     gap: 8px;
   }
   .modal-header h3 i { color: var(--accent); }
   .modal-close {
     width: 32px;
     height: 32px;
     border: 1px solid var(--border);
     border-radius: 8px;
     background: var(--bg-input);
     color: var(--text-2);
     cursor: pointer;
     display: flex;
     align-items: center;
     justify-content: center;
     font-size: 0.8rem;
     transition: all var(--transition);
   }
   .modal-close:hover { background: var(--danger); color: #fff; border-color: var(--danger); }
   .modal-body { padding: 20px; }
   
   .toast {
     position: fixed;
     bottom: calc(var(--tab-bar-h) + 16px);
     left: 50%;
     transform: translateX(-50%) translateY(20px);
     background: var(--bg-card);
     border: 1px solid var(--border);
     border-radius: var(--radius-pill);
     padding: 10px 20px;
     font-size: 0.82rem;
     font-weight: 600;
     color: var(--text);
     box-shadow: var(--shadow-lg);
     opacity: 0;
     pointer-events: none;
     transition: all 0.3s ease;
     z-index: 999;
     display: flex;
     align-items: center;
     gap: 8px;
     max-width: 90vw;
     white-space: nowrap;
   }
   .toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
   .toast.toast-success { border-color: var(--success); color: var(--success); }
   .toast.toast-error { border-color: var(--danger); color: var(--danger); }
   
   .stake-info-box {
     background: rgba(79,124,255,0.07);
     border: 1px solid rgba(79,124,255,0.2);
     border-radius: var(--radius-sm);
     padding: 12px 14px;
     margin-top: 12px;
     font-size: 0.78rem;
     color: var(--text-2);
     line-height: 1.6;
   }
   .stake-info-box i { color: var(--accent); margin-right: 4px; }
   
   .analytics-grid {
     display: grid;
     grid-template-columns: 1fr 1fr;
     gap: 10px;
   }
   @media (max-width: 400px) { .analytics-grid { grid-template-columns: 1fr; } }
   .analytics-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px; }
   .analytics-card h5 { font-size: 0.78rem; font-weight: 700; color: var(--text-2); margin-bottom: 10px; display: flex; align-items: center; gap: 6px; }
   .analytics-card h5 i { color: var(--accent); }
   .analytics-card.full { grid-column: 1 / -1; }
   
   #qrContainer { display: flex; justify-content: center; padding: 16px; background: #fff; border-radius: var(--radius); margin-bottom: 14px; }
   #qrContainer canvas { max-width: 180px; max-height: 180px; }
   
   .file-upload-label {
     display: flex;
     align-items: center;
     justify-content: center;
     gap: 8px;
     padding: 20px;
     border: 2px dashed var(--border);
     border-radius: var(--radius-sm);
     cursor: pointer;
     color: var(--text-3);
     font-size: 0.82rem;
     font-weight: 600;
     transition: all var(--transition);
     text-align: center;
   }
   .file-upload-label:hover { border-color: var(--accent); color: var(--accent); background: rgba(79,124,255,0.04); }
   #qrFileInput { display: none; }
   /* Note: jsonFileInput uses inline positioning so Android WebView can trigger it */

   .period-row {
     display: flex;
     gap: 4px;
     margin-bottom: 12px;
   }
   .period-btn {
     padding: 4px 10px;
     border: 1px solid var(--border);
     border-radius: var(--radius-pill);
     background: transparent;
     color: var(--text-3);
     font-family: var(--font);
     font-size: 0.68rem;
     font-weight: 700;
     cursor: pointer;
     transition: all var(--transition);
   }
   .period-btn.active, .period-btn:hover { background: var(--accent); border-color: var(--accent); color: #fff; }
   
   .settings-row {
     display: flex;
     align-items: center;
     justify-content: space-between;
     padding: 13px 0;
     border-bottom: 1px solid var(--border);
   }
   .settings-row:last-child { border-bottom: none; }
   .settings-row-label { display: flex; align-items: center; gap: 10px; font-size: 0.85rem; font-weight: 600; color: var(--text); }
   .settings-row-label i { width: 28px; height: 28px; background: var(--bg-input); border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: 0.75rem; color: var(--accent); }
   
   #qrPayScanner, #qrScanner { border-radius: var(--radius); overflow: hidden; }
   
   .result-box {
     padding: 10px 14px;
     border-radius: var(--radius-sm);
     font-size: 0.8rem;
     font-weight: 600;
     margin-top: 10px;
     display: flex;
     align-items: flex-start;
     gap: 8px;
   }
   .result-box.success { background: rgba(16,217,138,0.1); border: 1px solid rgba(16,217,138,0.3); color: var(--success); }
   .result-box.error   { background: rgba(255,77,109,0.1); border: 1px solid rgba(255,77,109,0.3); color: var(--danger); }
   .result-box.info    { background: rgba(79,124,255,0.1); border: 1px solid rgba(79,124,255,0.3); color: var(--accent); }
   
   .hidden { display: none !important; }
   .text-muted { color: var(--text-3); font-size: 0.75rem; }
   .mono { font-family: monospace; }
   .truncate { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
   .full-width { width: 100%; }
   .mt-8 { margin-top: 8px; }
   .mt-12 { margin-top: 12px; }
   .mt-16 { margin-top: 16px; }
   .mb-8 { margin-bottom: 8px; }
   .mb-12 { margin-bottom: 12px; }
   .d-flex { display: flex; }
   .gap-8 { gap: 8px; }
   .gap-12 { gap: 12px; }
   .flex-1 { flex: 1; }
   .center { text-align: center; }
   
   @media (min-width: 640px) {
     .main-scroll { padding: 24px 24px calc(var(--tab-bar-h) + 20px); max-width: 680px; }
     .tab-bar { justify-content: center; gap: 8px; }
     .tab-item { max-width: 120px; }
     .stats-row { grid-template-columns: repeat(4, 1fr); }
     .modal { border-radius: var(--radius); max-height: 88vh; }
     .modal:not(.modal-center) { animation: scaleModal 0.25s ease; }
     .modal-overlay { align-items: center; }
   }
   
   #heatmapGrid {
     display: grid;
     grid-template-columns: repeat(52, 1fr);
     gap: 2px;
     overflow-x: auto;
   }
   .heatmap-cell {
     width: 10px;
     height: 10px;
     border-radius: 2px;
     background: var(--bg-input);
     transition: all var(--transition);
   }
   .heatmap-cell:hover { transform: scale(1.3); }
   .heatmap-cell.level-1 { background: rgba(79,124,255,0.25); }
   .heatmap-cell.level-2 { background: rgba(79,124,255,0.50); }
   .heatmap-cell.level-3 { background: rgba(79,124,255,0.75); }
   .heatmap-cell.level-4 { background: var(--accent); }
   
   .wallet-item .active-dot {
     width: 8px;
     height: 8px;
     border-radius: 50%;
     background: var(--success);
     box-shadow: 0 0 6px rgba(16,217,138,0.5);
     flex-shrink: 0;
   }
   
   .update-sha {
     background: var(--bg-input);
     border: 1px solid var(--border);
     border-radius: var(--radius-sm);
     padding: 10px 14px;
     font-family: monospace;
     font-size: 0.78rem;
     color: var(--text-3);
     margin: 14px 0;
     word-break: break-all;
   }
   
   button { user-select: none; }
   button:active { transform: scale(0.97); }
   .btn-primary:active { transform: scale(0.97) !important; }