@import url('https://fonts.googleapis.com/css2?family=Share+Tech+Mono&family=Syne:wght@400;600;700;800&display=swap');

  :root {
	color-scheme: dark;
    --bg: #0a0a0f;
    --surface: #111118;
    --surface2: #18181f;
    --border: #2a2a38;
    --accent: #00ff88;
    --accent2: #00ccff;
    --danger: #ff4466;
    --warn: #ffaa00;
    --text: #e8e8f0;
    --muted: #666680;
    --mono: 'Share Tech Mono', monospace;
    --sans: 'Syne', sans-serif;
  }

  * { box-sizing: border-box; margin: 0; padding: 0; }

  body {
    background: var(--bg);
    color: var(--text);
    font-family: var(--sans);
    min-height: 100vh;
    overflow-x: hidden;
  }

  body::before {
    content: '';
    position: fixed;
    inset: 0;
    background:
      radial-gradient(ellipse 60% 40% at 10% 0%, rgba(0,255,136,0.06) 0%, transparent 70%),
      radial-gradient(ellipse 50% 40% at 90% 100%, rgba(0,204,255,0.05) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
  }

  /* scanline effect */
  body::after {
    content: '';
    position: fixed;
    inset: 0;
    background: repeating-linear-gradient(
      0deg,
      transparent,
      transparent 2px,
      rgba(0,0,0,0.03) 2px,
      rgba(0,0,0,0.03) 4px
    );
    pointer-events: none;
    z-index: 0;
  }

  .app {
    position: relative;
    z-index: 1;
    max-width: 680px;
    margin: 0 auto;
    padding: 0 16px 80px;
  }

  /* HEADER */
  header {
    padding: 32px 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border);
    margin-bottom: 28px;
  }

  .logo {
    display: flex;
    align-items: center;
    gap: 12px;
  }

  .logo-icon {
    width: 36px;
    height: 36px;
    border: 2px solid var(--accent);
    display: grid;
    place-items: center;
    position: relative;
    clip-path: polygon(0 10%, 10% 0, 90% 0, 100% 10%, 100% 90%, 90% 100%, 10% 100%, 0 90%);
    background: rgba(0,255,136,0.08);
  }

  .logo-icon::before {
    content: '';
    width: 14px;
    height: 14px;
    border: 2px solid var(--accent);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
  }

  .logo h1 {
    font-size: 18px;
    font-weight: 800;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--text);
  }

  .logo span { color: var(--accent); }

  .header-count {
    font-family: var(--mono);
    font-size: 12px;
    color: var(--muted);
    letter-spacing: 0.1em;
  }

  /* ADD BUTTON */
  .add-btn {
    width: 100%;
    padding: 14px;
    background: transparent;
    border: 1px dashed var(--border);
    color: var(--muted);
    font-family: var(--sans);
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 24px;
  }

  .add-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: rgba(0,255,136,0.04);
  }

  .add-btn .plus {
    width: 22px;
    height: 22px;
    border: 1.5px solid currentColor;
    display: grid;
    place-items: center;
    font-size: 16px;
    line-height: 1;
  }

  /* MODAL */
  .modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.85);
    backdrop-filter: blur(8px);
    z-index: 100;
    display: none;
    place-items: center;
    padding: 20px;
  }

  .modal-overlay.open { display: grid; }

  .modal {
    background: var(--surface);
    border: 1px solid var(--border);
    width: 100%;
    max-width: 480px;
    animation: slideUp 0.25s ease;
  }

  @keyframes slideUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
  }

  .modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
  }

  .modal-title {
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--accent);
  }

  .modal-close {
    background: none;
    border: 1px solid var(--border);
    color: var(--muted);
    width: 28px;
    height: 28px;
    cursor: pointer;
    font-size: 16px;
    display: grid;
    place-items: center;
    transition: all 0.2s;
  }

  .modal-close:hover { border-color: var(--danger); color: var(--danger); }

  /* TABS */
  .tabs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    border-bottom: 1px solid var(--border);
  }

  .tab {
    padding: 14px;
    background: none;
    border: none;
    color: var(--muted);
    font-family: var(--sans);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.2s;
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
  }

  .tab.active { color: var(--accent); border-bottom-color: var(--accent); }
  .tab:hover:not(.active) { color: var(--text); }

  .tab-content { display: none; padding: 24px; }
  .tab-content.active { display: block; }

  /* FORM ELEMENTS */
  .field { margin-bottom: 16px; }

  label {
    display: block;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 8px;
  }

  input[type="text"], input[type="file"], select {
    width: 100%;
    background: var(--surface2);
    border: 1px solid var(--border);
    color: var(--text);
    font-family: var(--mono);
    font-size: 13px;
    padding: 10px 12px;
    outline: none;
    transition: border-color 0.2s;
  }

  input[type="text"]:focus, select:focus { border-color: var(--accent2); }
  select option { background: var(--surface2); }

  .file-drop {
    border: 1px dashed var(--border);
    padding: 32px 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
    position: relative;
    background: var(--surface2);
  }

  .file-drop:hover, .file-drop.dragover {
    border-color: var(--accent2);
    background: rgba(0,204,255,0.04);
  }

  .file-drop input[type="file"] {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
    width: 100%;
    height: 100%;
    padding: 0;
    border: none;
  }

  .file-drop-icon {
    font-size: 28px;
    margin-bottom: 10px;
    color: var(--muted);
  }

  .file-drop p {
    font-size: 12px;
    color: var(--muted);
    font-family: var(--mono);
  }

  .file-drop p strong { color: var(--accent2); font-family: var(--sans); }

  #qr-preview {
    margin-top: 12px;
    display: none;
    position: relative;
  }

  #qr-preview img {
    width: 100%;
    max-height: 200px;
    object-fit: contain;
    border: 1px solid var(--border);
    background: #fff;
    padding: 8px;
  }

  .error-msg {
    font-size: 11px;
    font-family: var(--mono);
    color: var(--danger);
    margin-top: 6px;
    padding: 8px 10px;
    border: 1px solid rgba(255,68,102,0.3);
    background: rgba(255,68,102,0.06);
    display: none;
  }

  .error-msg.show { display: block; }

  .success-msg {
    font-size: 11px;
    font-family: var(--mono);
    color: var(--accent);
    margin-top: 6px;
    padding: 8px 10px;
    border: 1px solid rgba(0,255,136,0.3);
    background: rgba(0,255,136,0.06);
    display: none;
  }

  .success-msg.show { display: block; }

  .btn-primary {
    width: 100%;
    padding: 12px;
    background: var(--accent);
    border: none;
    color: #000;
    font-family: var(--sans);
    font-size: 13px;
    font-weight: 800;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    cursor: pointer;
    margin-top: 8px;
    transition: all 0.2s;
    clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 8px 100%, 0 calc(100% - 8px));
  }

  .btn-primary:hover {
    background: #00cc6e;
    transform: translateY(-1px);
  }

  .btn-primary:active { transform: translateY(0); }

  /* TOKEN CARDS */
  .tokens-grid {
    display: flex;
    flex-direction: column;
    gap: 10px;
  }

  .empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--muted);
  }

  .empty-state .empty-icon {
    font-size: 40px;
    margin-bottom: 16px;
    opacity: 0.4;
  }

  .empty-state p {
    font-size: 13px;
    font-family: var(--mono);
    letter-spacing: 0.05em;
  }

  .token-card {
    background: var(--surface);
    border: 1px solid var(--border);
    padding: 16px 20px;
    display: grid;
    grid-template-columns: 1fr auto auto;
    align-items: center;
    gap: 12px;
    transition: border-color 0.2s;
    position: relative;
    overflow: hidden;
    animation: cardIn 0.3s ease;
  }

  @keyframes cardIn {
    from { opacity: 0; transform: translateX(-10px); }
    to { opacity: 1; transform: translateX(0); }
  }

  .token-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--accent);
    opacity: 0.6;
    transition: opacity 0.2s;
  }

  .token-card:hover { border-color: #3a3a48; }
  .token-card:hover::before { opacity: 1; }

  /* expiry warning */
  .token-card.expiring-soon::before { background: var(--warn); }
  .token-card.expiring-soon { border-color: rgba(255,170,0,0.3); }

  .token-info { min-width: 0; }

  .token-issuer {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .token-account {
    font-size: 13px;
    font-weight: 600;
    color: var(--text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 6px;
  }

  .token-code {
    font-family: var(--mono);
    font-size: 26px;
    font-weight: 400;
    letter-spacing: 0.18em;
    color: var(--accent);
    cursor: pointer;
    user-select: all;
    transition: color 0.15s;
    display: flex;
    align-items: center;
    gap: 4px;
  }

  .token-code .copied-hint {
    font-size: 10px;
    color: var(--accent2);
    font-family: var(--sans);
    letter-spacing: 0.1em;
    opacity: 0;
    transition: opacity 0.2s;
    font-weight: 600;
    text-transform: uppercase;
  }

  .token-code.just-copied .copied-hint { opacity: 1; }

  .token-progress {
    width: 48px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
  }

  .progress-ring {
    transform: rotate(-90deg);
    flex-shrink: 0;
  }

  .progress-ring-bg {
    fill: none;
    stroke: var(--border);
    stroke-width: 3;
  }

  .progress-ring-fill {
    fill: none;
    stroke: var(--accent);
    stroke-width: 3;
    stroke-linecap: round;
    transition: stroke-dashoffset 0.9s linear, stroke 0.5s;
  }

  .progress-ring-fill.warn { stroke: var(--warn); }

  .progress-seconds {
    font-family: var(--mono);
    font-size: 11px;
    color: var(--muted);
  }

  .token-actions {
    display: flex;
    flex-direction: column;
    gap: 6px;
  }

  .action-btn {
    background: none;
    border: 1px solid var(--border);
    color: var(--muted);
    width: 28px;
    height: 28px;
    cursor: pointer;
    font-size: 13px;
    display: grid;
    place-items: center;
    transition: all 0.2s;
    font-family: var(--mono);
  }

  .action-btn:hover { border-color: var(--danger); color: var(--danger); }
  .action-btn.copy-btn:hover { border-color: var(--accent2); color: var(--accent2); }

  /* SEARCH */
  .search-bar {
    position: relative;
    margin-bottom: 16px;
  }

  .search-bar input {
    padding-left: 36px;
    font-family: var(--sans);
    font-size: 13px;
  }

  .search-bar::before {
    content: '⌕';
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--muted);
    font-size: 16px;
    pointer-events: none;
  }

  /* Row options */
  .row-opts {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin-bottom: 16px;
  }

  .row-opts select {
    font-family: var(--sans);
    font-size: 12px;
    padding: 8px 10px;
  }

  /* Notification toast */
  #toast {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    background: var(--surface2);
    border: 1px solid var(--accent);
    color: var(--accent);
    font-family: var(--mono);
    font-size: 12px;
    padding: 10px 20px;
    letter-spacing: 0.08em;
    opacity: 0;
    transition: all 0.3s;
    z-index: 999;
    pointer-events: none;
    white-space: nowrap;
  }

  #toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }

  canvas { display: none; }

  @media (max-width: 500px) {
    .token-code { font-size: 20px; }
    .token-card { padding: 12px 14px; }
  }