/* Packshot Flow — splash + login screen */
  /* ========= SPLASH (auth check) ========= */
  .splash {
    position: fixed; inset: 0;
    background: #fff;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 14px;
    transition: opacity 0.25s ease;
  }
  .splash.hidden { opacity: 0; pointer-events: none; }
  .splash-spinner {
    width: 28px; height: 28px;
    border-radius: 50%;
    border: 3px solid var(--border);
    border-top-color: var(--accent);
    animation: spin 0.8s linear infinite;
  }
  @keyframes spin { to { transform: rotate(360deg); } }
  .splash-text {
    font-size: 12.5px;
    color: var(--text-3);
    font-weight: 500;
  }

  /* Error banner */
  .error-banner {
    position: fixed;
    top: 16px;
    left: 50%;
    transform: translateX(-50%);
    padding: 10px 16px;
    background: #fee;
    border: 1px solid #fcc;
    border-radius: 10px;
    font-size: 12.5px;
    color: #c00;
    z-index: 500;
    max-width: 600px;
    box-shadow: var(--shadow-lg);
    display: none;
  }
  .error-banner.show { display: block; }

  /* ========= LOGIN ========= */
  .login-screen {
    position: fixed; inset: 0;
    background: var(--surface);
    z-index: 900;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    transition: opacity 0.25s ease;
  }
  .login-screen.hidden { opacity: 0; pointer-events: none; }
  .login-card {
    width: 100%;
    max-width: 332px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 34px 32px;
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    gap: 14px;
  }
  .login-head {
    text-align: center;
    margin-bottom: 6px;
  }
  .login-title {
    font-size: 21px;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text-1);
  }
  .login-sub {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-3);
    margin-top: 5px;
  }
  .login-field {
    display: flex;
    flex-direction: column;
    gap: 5px;
  }
  .login-field span {
    font-size: 9.5px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-3);
  }
  .login-field input {
    height: 38px;
    padding: 0 12px;
    border: 1px solid var(--border);
    border-radius: 9px;
    background: var(--surface);
    font-size: 13.5px;
    color: var(--text-1);
    outline: none;
    transition: border-color 0.15s, box-shadow 0.15s, background 0.15s;
  }
  .login-field input:focus {
    border-color: var(--border-strong);
    box-shadow: 0 0 0 3px var(--accent-soft);
    background: #fff;
  }
  .login-error {
    font-size: 12px;
    color: #c00;
  }
  .login-error:empty { display: none; }
  .login-btn {
    height: 40px;
    border: none;
    border-radius: 9px;
    background: var(--accent);
    color: #fff;
    font-size: 13.5px;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.15s;
    margin-top: 3px;
  }
  .login-btn:hover { opacity: 0.85; }
  .login-btn:disabled { opacity: 0.5; cursor: not-allowed; }

  /* Logout button in header */
  .header-right {
    display: inline-flex;
    align-items: center;
    gap: 8px;
  }
  .logout-btn {
    display: none;
    align-items: center;
    gap: 5px;
    padding: 5px 11px;
    border: 1px solid var(--border);
    border-radius: 999px;
    background: var(--surface);
    font-size: 12px;
    font-weight: 500;
    color: var(--text-2);
    cursor: pointer;
    transition: border-color 0.15s, background 0.15s;
  }
  .logout-btn:hover { border-color: var(--border-strong); background: #fff; }
  .logout-btn.visible { display: inline-flex; }

  /* Responsive */
  @media (max-width: 1200px) {
    html, body { overflow: auto; }
    .app { height: auto; padding: 16px; }
    .main { grid-template-columns: 1fr; }
    .right-col { grid-template-rows: auto auto; }
  }