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

        :root {
            --bg:        #0a0a0f;
            --panel:     #111118;
            --border:    rgba(255,255,255,0.07);
            --accent:    #c8f060;
            --accent-dim:#8faa3a;
            --text:      #f0f0f0;
            --muted:     #666678;
            --error:     #ff6b6b;
            --input-bg:  #1a1a24;
        }

        html, body {
            height: 100%;
        }

        body {
            font-family: 'DM Sans', sans-serif;
            background: var(--bg);
            color: var(--text);
            display: flex;
            min-height: 100vh;
            overflow: hidden;
        }

        /* ── LEFT PANEL ── */
        .left {
            flex: 1;
            position: relative;
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            padding: 56px;
            overflow: hidden;
        }

        .left-bg {
            position: absolute;
            inset: 0;
            background:
                radial-gradient(ellipse 80% 60% at 20% 80%, rgba(200,240,96,0.12) 0%, transparent 60%),
                radial-gradient(ellipse 60% 50% at 80% 20%, rgba(120,80,255,0.08) 0%, transparent 55%),
                linear-gradient(160deg, #0d0d15 0%, #0a0a0f 100%);
            z-index: 0;
        }

        /* Grid lines */
        .left-bg::after {
            content: '';
            position: absolute;
            inset: 0;
            background-image:
                linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
            background-size: 60px 60px;
        }

        /* Floating badge shapes */
        .shape {
            position: absolute;
            border-radius: 18px;
            border: 1px solid rgba(200,240,96,0.15);
            z-index: 1;
        }
        .shape-1 {
            width: 180px; height: 110px;
            top: 18%; left: 12%;
            background: rgba(200,240,96,0.04);
            transform: rotate(-8deg);
            animation: float1 7s ease-in-out infinite;
        }
        .shape-2 {
            width: 120px; height: 75px;
            top: 32%; left: 42%;
            background: rgba(200,240,96,0.03);
            transform: rotate(5deg);
            animation: float2 9s ease-in-out infinite;
            border-color: rgba(200,240,96,0.08);
        }
        .shape-3 {
            width: 220px; height: 135px;
            top: 10%; left: 55%;
            background: rgba(120,80,255,0.04);
            transform: rotate(12deg);
            animation: float1 11s ease-in-out infinite reverse;
            border-color: rgba(120,80,255,0.12);
        }
        /* RFID dot pattern */
        .rfid-icon {
            position: absolute;
            top: 50%; left: 50%;
            transform: translate(-50%, -50%);
            z-index: 1;
            opacity: 0.18;
        }
        .rfid-icon svg {
            width: 260px; height: 260px;
        }

        @keyframes float1 {
            0%,100% { transform: rotate(-8deg) translateY(0); }
            50%      { transform: rotate(-8deg) translateY(-14px); }
        }
        @keyframes float2 {
            0%,100% { transform: rotate(5deg) translateY(0); }
            50%      { transform: rotate(5deg) translateY(-10px); }
        }

        .left-content {
            position: relative;
            z-index: 2;
        }

        .tagline {
            font-family: 'Syne', sans-serif;
            font-size: clamp(2rem, 3.5vw, 3.2rem);
            font-weight: 800;
            line-height: 1.1;
            letter-spacing: -0.03em;
            color: var(--text);
        }

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

        .tagline-sub {
            margin-top: 16px;
            font-size: 0.95rem;
            color: var(--muted);
            font-weight: 300;
            max-width: 340px;
            line-height: 1.6;
        }

        .badge-count {
            margin-top: 40px;
            display: flex;
            gap: 32px;
        }

        .stat {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .stat-num {
            font-family: 'Syne', sans-serif;
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--accent);
        }

        .stat-label {
            font-size: 0.78rem;
            color: var(--muted);
            text-transform: uppercase;
            letter-spacing: 0.08em;
        }

        /* ── RIGHT PANEL ── */
        .right {
            width: 420px;
            min-width: 380px;
            background: var(--panel);
            border-left: 1px solid var(--border);
            display: flex;
            flex-direction: column;
            justify-content: center;
            padding: 56px 48px;
            position: relative;
        }

        .right::before {
            content: '';
            position: absolute;
            top: 0; left: 0; right: 0;
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--accent), transparent);
            opacity: 0.6;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 48px;
        }

        .logo-icon {
            width: 38px; height: 38px;
            background: var(--accent);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .logo-icon svg {
            width: 20px; height: 20px;
            color: #0a0a0f;
        }

        .logo-text {
            font-family: 'Syne', sans-serif;
            font-size: 1rem;
            font-weight: 700;
            letter-spacing: 0.04em;
            color: var(--text);
        }

        .logo-text span {
            color: var(--muted);
            font-weight: 400;
        }

        h1 {
            font-family: 'Syne', sans-serif;
            font-size: 1.7rem;
            font-weight: 700;
            letter-spacing: -0.02em;
            margin-bottom: 8px;
        }

        .subtitle {
            font-size: 0.88rem;
            color: var(--muted);
            margin-bottom: 36px;
        }

        /* Error */
        .alert-error {
            background: rgba(255,107,107,0.1);
            border: 1px solid rgba(255,107,107,0.25);
            color: var(--error);
            padding: 12px 16px;
            border-radius: 10px;
            font-size: 0.88rem;
            margin-bottom: 24px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        /* Form */
        .form-group {
            margin-bottom: 18px;
        }

        label {
            display: block;
            font-size: 0.78rem;
            font-weight: 500;
            text-transform: uppercase;
            letter-spacing: 0.09em;
            color: var(--muted);
            margin-bottom: 8px;
        }

        .input-wrap {
            position: relative;
        }

        .input-wrap svg {
            position: absolute;
            left: 14px;
            top: 50%;
            transform: translateY(-50%);
            width: 16px; height: 16px;
            color: var(--muted);
            pointer-events: none;
        }

        input[type="text"],
        input[type="password"] {
            width: 100%;
            background: var(--input-bg);
            border: 1px solid var(--border);
            border-radius: 10px;
            padding: 13px 14px 13px 42px;
            font-family: 'DM Sans', sans-serif;
            font-size: 0.95rem;
            color: var(--text);
            transition: border-color 0.2s, box-shadow 0.2s;
            outline: none;
        }

        input:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(200,240,96,0.1);
        }

        input::placeholder {
            color: var(--muted);
            opacity: 0.6;
        }

        .btn-submit {
            width: 100%;
            margin-top: 8px;
            padding: 14px;
            background: var(--accent);
            color: #0a0a0f;
            border: none;
            border-radius: 10px;
            font-family: 'Syne', sans-serif;
            font-size: 0.95rem;
            font-weight: 700;
            letter-spacing: 0.03em;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }

        .btn-submit:hover {
            background: #d6f570;
        }

        .btn-submit:active {
            transform: scale(0.98);
        }

        .footer-note {
            margin-top: 32px;
            font-size: 0.78rem;
            color: var(--muted);
            text-align: center;
            line-height: 1.5;
        }

        /* Animations */
        .right > * {
            opacity: 0;
            transform: translateY(16px);
            animation: fadeUp 0.5s forwards;
        }
        .logo          { animation-delay: 0.05s; }
        h1             { animation-delay: 0.12s; }
        .subtitle      { animation-delay: 0.16s; }
        .alert-error   { animation-delay: 0.18s; }
        .form-group:nth-child(4) { animation-delay: 0.20s; }
        .form-group:nth-child(5) { animation-delay: 0.26s; }
        .btn-submit    { animation-delay: 0.32s; }
        .footer-note   { animation-delay: 0.38s; }

        @keyframes fadeUp {
            to { opacity: 1; transform: translateY(0); }
        }

        /* Responsive */
        @media (max-width: 768px) {
            body { flex-direction: column; overflow: auto; }
            .left { display: none; }
            .right { width: 100%; min-width: unset; border-left: none; min-height: 100vh; }
        }