:root{
      --primary: #1e3a8a;
      --primary-dark: #1e293b;
      --secondary: #3b82f6;
      --accent: #10b981;
      --accent-hover: #059669;
      --surface: #ffffff;
      --background: #f8fafc;
      --text-primary: #1e293b;
      --text-secondary: #64748b;
      --text-muted: #94a3b8;
      --border: #e2e8f0;
      --border-focus: #3b82f6;
      --error: #ef4444;
      --error-bg: #fef2f2;
      --success: #10b981;
      --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
      --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
      --shadow-lg: 0 10px 25px -5px rgb(0 0 0 / 0.1);
      --shadow-xl: 0 20px 40px -10px rgb(0 0 0 / 0.15);
      --radius: 12px;
      --radius-lg: 16px;
    }

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

    body {
      font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
      color: var(--text-primary);
      background: var(--background);
      min-height: 100vh;
      overflow-x: hidden;
    }

    .main-wrapper { display: flex; min-height: 100vh; }

    .progress-container {
      position: sticky;
      top: 0;
      background: white;
      border-bottom: 1px solid var(--border);
      padding: 16px 40px;
      z-index: 100;
    }

    .progress-bar { display: flex; align-items: center; justify-content: center; gap: 8px; margin-bottom: 8px; }
    .progress-step { display: flex; align-items: center; gap: 12px; font-size: 14px; font-weight: 500; color: var(--text-muted); transition: all 0.3s ease; }
    .progress-step.active { color: var(--primary); }
    .progress-step.completed { color: var(--accent); }
    .progress-dot { width: 32px; height: 32px; border: 2px solid var(--border); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 600; font-size: 14px; background: white; transition: all 0.3s ease; }
    .progress-step.active .progress-dot { border-color: var(--primary); background: var(--primary); color: white; }
    .progress-step.completed .progress-dot { border-color: var(--accent); background: var(--accent); color: white; }
    .progress-line { width: 40px; height: 2px; background: var(--border); transition: all 0.3s ease; }
    .progress-step.completed + .progress-line { background: var(--accent); }
    .progress-title { text-align: center; font-size: 12px; color: var(--text-secondary); margin-top: 4px; }

    .left-panel { flex: 0 0 560px; background: linear-gradient(135deg, #3b82f6 0%, #1e3a8a 100%); padding: 40px 60px 60px; display: flex; flex-direction: column; justify-content: flex-start; align-items: flex-start; position: relative; overflow: hidden; }
    .left-panel::before { content: ''; position: absolute; top: -50%; right: -50%; width: 200%; height: 200%; background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%); animation: pulse 4s ease-in-out infinite; }
    @keyframes pulse { 0%,100%{transform:scale(1);opacity:.5} 50%{transform:scale(1.1);opacity:.3} }
    .logo-container { margin-bottom: 32px; position: relative; z-index: 1; }
    .logo { width: 160px; height: auto; filter: brightness(0) invert(1); }
    .left-content { position: relative; z-index: 1; }
    .left-content h1 { color: white; font-family: 'Plus Jakarta Sans', sans-serif; font-weight: 700; font-size: 36px; margin-bottom: 12px; line-height: 1.2; }
    .left-content .subtitle { color: rgba(255,255,255,0.9); font-size: 16px; margin-bottom: 32px; line-height: 1.6; }

    .security-badge{ background: rgba(255,255,255,0.15); backdrop-filter: blur(10px); border: 1px solid rgba(255,255,255,0.2); border-radius: var(--radius); padding: 20px; margin-bottom: 24px; box-shadow: 0 8px 32px rgba(0,0,0,0.1); }
    .security-badge h3{ color:#fff; font-size:16px; font-weight:600; margin-bottom:12px; display:flex; align-items:center; gap:8px; }
    .security-badge p{ color: rgba(255,255,255,0.9); font-size:14px; line-height:1.5; }

    .info-list{ list-style:none; padding:0; }
    .info-list li{ color: rgba(255,255,255,0.9); font-size:15px; margin-bottom:16px; padding: 12px 16px 12px 44px; position:relative; line-height:1.5; background: rgba(255,255,255,0.05); border-radius: 8px; border-left: 3px solid rgba(255,255,255,0.3); }
    .info-list li::before{ content:'✓'; position:absolute; left:16px; top:50%; transform: translateY(-50%); width:20px; height:20px; background: var(--accent); border-radius:50%; color: white; display:flex; align-items:center; justify-content:center; font-size:12px; font-weight:bold; }

    .right-panel { flex:1; background:#fff; }
    .form-container { max-width: 720px; margin: 0 auto; padding: 0 40px 40px; }

    .form-header { padding: 32px 0 24px; margin-bottom: 8px; border-bottom: 2px solid var(--border); text-align: center; }
    .form-header h2{ color:var(--primary); font-family:'Plus Jakarta Sans',sans-serif; font-weight:700; font-size:32px; margin-bottom:8px; }
    .form-header p{ color:var(--text-secondary); font-size:16px; }

    .section{ margin-bottom: 32px; padding: 32px; background: var(--surface); border-radius: var(--radius-lg); border: 2px solid var(--border); transition: all .3s ease; position: relative; }
    .section:hover{ box-shadow: var(--shadow-lg); border-color: var(--secondary); transform: translateY(-2px); }
    .section h3{ color: var(--primary); font-family: 'Plus Jakarta Sans', sans-serif; font-weight: 700; font-size: 22px; margin-bottom: 8px; display:flex; align-items:center; gap:12px; padding-bottom: 12px; border-bottom: 1px solid var(--border); margin-bottom: 24px; }
    .section .hint{ font-size:14px; color:var(--text-secondary); margin-bottom:24px; display:flex; align-items:center; gap:8px; padding: 12px 16px; background: rgba(59, 130, 246, 0.05); border-radius: 8px; border-left: 3px solid var(--secondary); }

    .grid{ display:grid; grid-template-columns: repeat(12,1fr); gap:24px; }
    .col-6 { grid-column: span 6; }
    .col-12{ grid-column: span 12; }

    .field-group { background: rgba(248, 250, 252, 0.7); border-radius: var(--radius); padding: 20px; border: 1px dashed var(--border); margin-bottom: 16px; }
    .field-group-title { font-size: 14px; font-weight: 600; color: var(--primary); margin-bottom: 16px; display: flex; align-items: center; gap: 8px; }

    label{ display:block; margin-bottom:12px; font-weight:600; color:var(--text-primary); font-size:15px; letter-spacing:.025em; display: flex; align-items: center; gap: 6px; }
    label .required{ color: var(--error); font-size: 16px; }

    input[type="text"], input[type="file"]{ width:100%; padding:16px 20px; border:2px solid var(--border); border-radius:10px; font-size:15px; background:#fff; transition: all .3s ease; font-family:'Inter',sans-serif; box-shadow: var(--shadow-sm); }
    input[type="text"]:hover, input[type="file"]:hover{ border-color: var(--secondary); box-shadow: var(--shadow-md); }
    input[type="text"]:focus, input[type="file"]:focus{ outline:none; border-color: var(--border-focus); box-shadow:0 0 0 4px rgba(59,130,246,.15); transform: translateY(-1px); }
    input[type="file"]{ padding:14px 18px; cursor:pointer; }
    input[type="file"]::file-selector-button{ padding:8px 16px; margin-right:16px; border:none; border-radius:8px; background:var(--secondary); color:#fff; font-weight:600; cursor:pointer; transition: all .3s ease; }
    input[type="file"]::file-selector-button:hover{ background: var(--primary); transform: translateY(-1px); }

    .nss-mode{ display:flex; gap:32px; margin:16px 0 20px; flex-wrap:wrap; background: rgba(59, 130, 246, 0.05); padding: 16px 20px; border-radius: var(--radius); border: 1px solid rgba(59, 130, 246, 0.1); }
    .nss-mode label{ font-weight:600; color:var(--text-primary); display:flex; align-items:center; gap:12px; margin:0; cursor:pointer; transition: all .3s ease; padding: 8px 12px; border-radius: 8px; }
    .nss-mode label:hover{ color: var(--secondary); background: rgba(59, 130, 246, 0.1); }
    input[type="radio"]{ width:20px; height:20px; accent-color: var(--secondary); cursor:pointer; }

    .muted{ font-size:13px; color:var(--text-muted); margin-top:8px; font-style:italic; padding: 8px 12px; background: rgba(148, 163, 184, 0.1); border-radius: 6px; }
    .help-link{ display:inline-flex; align-items: center; gap: 4px; margin-top:8px; font-size:13px; color:var(--secondary); text-decoration:none; font-weight:600; transition: all .3s ease; padding: 6px 10px; border-radius: 6px; background: rgba(59, 130, 246, 0.05); }
    .help-link:hover{ color:var(--primary); background: rgba(59, 130, 246, 0.1); transform: translateY(-1px); }

    button{ width:100%; padding:18px 32px; background: linear-gradient(135deg, var(--secondary) 0%, var(--primary) 100%); color:#fff; border:none; border-radius: var(--radius-lg); font-size:16px; font-weight:700; font-family:'Plus Jakarta Sans',sans-serif; cursor:pointer; transition: all .3s ease; text-transform:uppercase; letter-spacing:.5px; margin-top: 24px; box-shadow: var(--shadow-md); position: relative; overflow: hidden; }
    button::before { content: ''; position: absolute; top: 0; left: -100%; width: 100%; height: 100%; background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent); transition: left 0.5s ease; }
    button:hover::before { left: 100%; }
    button:hover{ transform: translateY(-3px); box-shadow: var(--shadow-xl); }
    button:active{ transform: translateY(-1px); }
    button[disabled]{ opacity:.6; cursor:not-allowed; transform:none !important; }

    #err{ color: var(--error); background: var(--error-bg); padding:16px 20px; border-radius: var(--radius); margin-top:20px; display:none; font-size:14px; border-left:4px solid var(--error); box-shadow: var(--shadow-sm); }
    input.invalid{ border-color: var(--error) !important; background: var(--error-bg) !important; box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.15) !important; }
    input::placeholder{ color: var(--text-muted); opacity:1; }

    .loading{ display:inline-block; width:18px; height:18px; border:2px solid rgba(255,255,255,.3); border-radius:50%; border-top-color:#fff; animation: spin .8s linear infinite; margin-left:8px; vertical-align:middle; }
    @keyframes spin { to{ transform: rotate(360deg);} }

    .icon{ width:24px; height:24px; display:inline-block; vertical-align:middle; }
    .step{ display:none; animation: fadeIn 0.5s ease-in-out; }
    .step.active{ display:block; }
    @keyframes fadeIn { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
    .step-actions{ margin-top: 32px; }

    .nav-buttons { display: flex; gap: 16px; margin-top: 24px; }
    .btn-secondary { background: transparent !important; color: var(--text-secondary) !important; border: 2px solid var(--border) !important; text-transform: none !important; letter-spacing: normal !important; flex: 0 0 auto; width: auto !important; padding: 12px 24px !important; }
    .btn-secondary:hover { background: var(--background) !important; border-color: var(--secondary) !important; color: var(--secondary) !important; }

    @media (max-width: 1024px){ .left-panel{ flex:0 0 480px; padding:32px 40px 40px; } .left-content h1{ font-size:28px; } }
    @media (max-width: 768px){ .main-wrapper{ flex-direction:column; } .left-panel{ flex:none; padding:32px 24px; } .right-panel{ padding:0; } .form-container { padding: 0 24px 24px; } .progress-container { padding: 16px 24px; } .col-6{ grid-column: span 12; } .nss-mode{ flex-direction:column; gap:12px; } .section { padding: 24px 20px; } .nav-buttons { flex-direction: column; } .btn-secondary { width: 100% !important; } }