:root {
            --primary-color: #198754;
            --dark-color: #0d4a2e;
            --accent-color: #fbbf24;
            --bg-light: #f8fafc;
            --input-border: #e2e8f0;
        }

        * { box-sizing: border-box; margin: 0; padding: 0; font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif; }

        body {
            background-color: white;
            height: 100vh;
            overflow: hidden;
        }

        .login-container {
            display: flex;
            width: 100%;
            height: 100vh;
        }

        /* --- KIRI: VISUAL BRANDING --- */
        .login-left {
            flex: 1.4;
            position: relative;
            background: var(--dark-color);
            overflow: hidden;
        }

        .slider { width: 100%; height: 100%; position: relative; }
        .slide {
            position: absolute;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0;
            transform: scale(1.1);
            transition: opacity 1.5s ease-in-out, transform 6s ease-in-out;
        }
        .slide.active { opacity: 0.5; transform: scale(1); }

        .overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to right, rgba(0,0,0,0.9) 0%, rgba(0,0,0,0.4) 50%, transparent 100%);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            padding: 60px 80px;
            color: white;
            z-index: 2;
        }

        .brand-logo-top {
            display: flex;
            align-items: center;
            gap: 15px;
        }
        .brand-logo-top img {
            height: 60px;
            filter: drop-shadow(0 0 10px rgba(0,0,0,0.3));
        }
        .brand-name-top {
            font-size: 0.9rem;
            font-weight: 700;
            letter-spacing: 2px;
            text-transform: uppercase;
            border-left: 2px solid var(--accent-color);
            padding-left: 15px;
        }

        .overlay-text { max-width: 550px; margin-bottom: 40px; }
        .tagline { color: var(--accent-color); font-weight: 700; font-size: 0.9rem; text-transform: uppercase; letter-spacing: 5px; margin-bottom: 20px; }
        .overlay-text h1 { font-size: 3.5rem; line-height: 1.1; margin-bottom: 20px; font-weight: 800; }
        .overlay-text p.desc { font-size: 1.2rem; opacity: 0.8; font-weight: 300; line-height: 1.6; }

        /* --- KANAN: AUTHENTICATION PANEL --- */
        .login-right {
            flex: 0.8;
            background: white;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 40px;
            position: relative;
            box-shadow: -15px 0 50px rgba(0,0,0,0.1);
            z-index: 10;
        }

        .login-card { width: 100%; max-width: 400px; }
        
        .mobile-logo { display: none; text-align: center; margin-bottom: 30px; }
        .mobile-logo img { height: 80px; }

        .login-card h2 { font-size: 2.2rem; font-weight: 800; color: #1e293b; margin-bottom: 10px; letter-spacing: -1px; }
        .subtitle { font-size: 0.95rem; color: #64748b; margin-bottom: 35px; line-height: 1.5; }

        /* --- RE-LAYOUTED FORM INPUTS --- */
        .form-group {
            margin-bottom: 20px;
            position: relative;
        }

        .input-wrapper {
            position: relative;
            display: flex;
            align-items: center;
        }

        .input-wrapper i.input-icon {
            position: absolute;
            left: 16px;
            color: #94a3b8;
            font-size: 1.1rem;
            transition: color 0.3s;
        }

        .form-group input {
            width: 100%;
            padding: 14px 16px 14px 48px;
            background: #f8fafc;
            border: 2px solid #f1f5f9;
            border-radius: 12px;
            outline: none;
            font-size: 1rem;
            font-weight: 500;
            color: #1e293b;
            transition: all 0.3s ease;
        }

        .form-group input:focus {
            background: #fff;
            border-color: var(--primary-color);
            box-shadow: 0 0 0 4px rgba(25, 135, 84, 0.1);
        }

        .form-group input:focus + i.input-icon {
            color: var(--primary-color);
        }

        .form-group label {
            display: block;
            font-size: 0.85rem;
            font-weight: 700;
            color: #475569;
            margin-bottom: 8px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .toggle-password {
            position: absolute;
            right: 16px;
            cursor: pointer;
            color: #94a3b8;
            display: flex;
            align-items: center;
            transition: color 0.3s;
        }
        
        .toggle-password:hover { color: var(--primary-color); }
        #eye-closed { display: none; }

        .btn-login {
            width: 100%;
            padding: 16px;
            background: var(--primary-color);
            color: white;
            border: none;
            border-radius: 12px;
            font-size: 1rem;
            font-weight: 700;
            letter-spacing: 1px;
            cursor: pointer;
            transition: all 0.4s;
            margin-top: 15px;
            box-shadow: 0 10px 15px -3px rgba(25, 135, 84, 0.3);
        }
        .btn-login:hover { 
            background: var(--dark-color); 
            transform: translateY(-2px);
            box-shadow: 0 20px 25px -5px rgba(25, 135, 84, 0.4);
        }

        .alert-error {
            background: #fff1f2;
            color: #e11d48;
            padding: 15px;
            border-radius: 10px;
            font-size: 0.9rem;
            margin-bottom: 30px;
            display: flex;
            align-items: center;
            border: 1px solid #ffe4e6;
        }

        .footer-text {
            margin-top: 40px;
            font-size: 0.85rem;
            text-align: center;
        }

        @media (max-width: 992px) {
            .login-left { display: none; }
            .login-right { flex: 1; background: var(--bg-light); }
            .mobile-logo { display: block; }
            .login-card { 
                background: white; 
                padding: 40px; 
                border-radius: 24px; 
                box-shadow: 0 10px 25px rgba(0,0,0,0.05);
            }
        }