:root {
            /* Color Palette: Professional Government Blue & Clean White */
            --primary-color: #0056b3; /* Deep Government Blue */
            --primary-hover: #004494;
            --accent-color: #ffc107; /* Subtle Gold/Yellow for highlights */
            --text-dark: #1f2937;
            --text-light: #6b7280;
            --bg-light: #f3f4f6;
            --white: #ffffff;
            --error-color: #ef4444;
            --success-color: #10b981;
            
            /* Spacing & Shadows */
            --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
            --radius: 8px;
        }

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

        body {
            font-family: 'Inter', sans-serif;
            background-color: var(--bg-light);
            height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
        }

        /* --- Main Container (Split Layout) --- */
        .login-container {
            display: flex;
            width: 100%;
            height: 100%;
            background: var(--white);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        /* --- Left Side: Branding & Image with Particles --- */
        .brand-section {
            flex: 1.2;
            background: linear-gradient(135deg, #003366 0%, #001a33 100%);
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            color: var(--white);
            padding: 2rem;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        /* Particle.js Container */
        #particles-js {
            position: absolute;
            width: 100%;
            height: 100%;
            top: 0;
            left: 0;
            z-index: 1;
        }

        /* Brand Content Layer */
        .brand-content {
            position: relative;
            z-index: 2;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 1.5rem;
        }

        /* Province Logo with enhanced styling */
        .province-logo {
            width: 120px;
            height: 120px;
            background: linear-gradient(135deg, rgba(255,255,255,0.15), rgba(255,255,255,0.05));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            border: 3px solid var(--accent-color);
            font-size: 2.5rem;
            font-weight: bold;
            color: var(--accent-color);
            backdrop-filter: blur(10px);
            box-shadow: 0 8px 32px rgba(0,0,0,0.3);
            position: relative;
            animation: float 3s ease-in-out infinite;
        }

        @keyframes float {
            0%, 100% { transform: translateY(0px); }
            50% { transform: translateY(-10px); }
        }

        .brand-section h1 {
            font-size: 2.2rem;
            font-weight: 700;
            line-height: 1.2;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
        }

        .brand-section .province-name {
            font-size: 1.3rem;
            font-weight: 500;
            color: var(--accent-color);
            letter-spacing: 2px;
            text-transform: uppercase;
            text-shadow: 1px 1px 2px rgba(0,0,0,0.3);
        }

        .brand-section .system-desc {
            font-size: 1rem;
            opacity: 0.9;
            max-width: 350px;
            line-height: 1.6;
            background: rgba(255,255,255,0.1);
            padding: 1rem 1.5rem;
            border-radius: 20px;
            backdrop-filter: blur(5px);
            border: 1px solid rgba(255,255,255,0.2);
        }

        /* Info Stats Grid */
        .info-stats {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1rem;
            margin-top: 1.5rem;
            width: 100%;
            max-width: 350px;
        }

        .stat-item {
            background: rgba(255,255,255,0.1);
            backdrop-filter: blur(10px);
            border-radius: 12px;
            padding: 0.8rem;
            text-align: center;
            border: 1px solid rgba(255,255,255,0.2);
            transition: transform 0.3s ease;
        }

        .stat-item:hover {
            transform: translateY(-3px);
            background: rgba(255,255,255,0.15);
        }

        .stat-number {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--accent-color);
            display: block;
        }

        .stat-label {
            font-size: 0.7rem;
            text-transform: uppercase;
            letter-spacing: 1px;
            opacity: 0.8;
        }

        .region-badge {
            position: absolute;
            top: 2rem;
            left: 2rem;
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(5px);
            padding: 0.5rem 1rem;
            border-radius: 50px;
            font-size: 0.85rem;
            letter-spacing: 1px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            text-transform: uppercase;
            z-index: 3;
        }

        /* Province Features Tags */
        .province-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            justify-content: center;
            margin-top: 0.5rem;
        }

        .tag {
            background: rgba(255, 193, 7, 0.2);
            border: 1px solid rgba(255, 193, 7, 0.3);
            padding: 0.3rem 0.8rem;
            border-radius: 20px;
            font-size: 0.75rem;
            backdrop-filter: blur(5px);
        }

        /* --- Right Side: Login Form --- */
        .form-section {
            flex: 1;
            padding: 4rem;
            display: flex;
            flex-direction: column;
            justify-content: center;
            position: relative;
            overflow-y: auto;
            background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
        }

        .form-header {
            margin-bottom: 2rem;
        }

        .form-header h2 {
            font-size: 2rem;
            color: var(--text-dark);
            margin-bottom: 0.5rem;
        }

        .form-header .province-subtitle {
            color: var(--primary-color);
            font-weight: 600;
            font-size: 0.9rem;
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 0.5rem;
        }

        .form-header p {
            color: var(--text-light);
        }

        /* --- Form Controls --- */
        .input-group {
            margin-bottom: 1.5rem;
            position: relative;
        }

        .input-group label {
            display: block;
            margin-bottom: 0.5rem;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-dark);
        }

        .input-wrapper {
            position: relative;
        }

        .input-wrapper input {
            width: 100%;
            padding: 0.85rem 1rem 0.85rem 2.5rem;
            border: 1px solid #d1d5db;
            border-radius: var(--radius);
            font-size: 1rem;
            font-family: inherit;
            transition: all 0.3s ease;
            outline: none;
            background: white;
        }

        .input-wrapper input:focus {
            border-color: var(--primary-color);
            box-shadow: 0 0 0 3px rgba(0, 86, 179, 0.15);
        }

        .icon {
            position: absolute;
            left: 1rem;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-light);
            pointer-events: none;
        }

        .toggle-password {
            position: absolute;
            right: 1rem;
            top: 50%;
            transform: translateY(-50%);
            cursor: pointer;
            color: var(--text-light);
            background: none;
            border: none;
            font-size: 0.9rem;
            font-weight: 600;
        }
        
        .toggle-password:hover {
            color: var(--primary-color);
        }

        .form-options {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 1.5rem;
            font-size: 0.9rem;
        }

        .remember-me {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            color: var(--text-dark);
            cursor: pointer;
        }

        .remember-me input {
            width: 16px;
            height: 16px;
            cursor: pointer;
            accent-color: var(--primary-color);
        }

        .forgot-link {
            color: var(--primary-color);
            text-decoration: none;
            font-weight: 500;
            transition: color 0.2s;
        }

        .forgot-link:hover {
            color: var(--primary-hover);
            text-decoration: underline;
        }

        .btn-submit {
            width: 100%;
            padding: 0.9rem;
            background: linear-gradient(135deg, #0056b3, #003366);
            color: var(--white);
            border: none;
            border-radius: var(--radius);
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .btn-submit::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;
        }

        .btn-submit:hover::before {
            left: 100%;
        }

        .btn-submit:hover {
            background: linear-gradient(135deg, #004494, #002244);
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(0,86,179,0.4);
        }

        .btn-submit:active {
            transform: scale(0.98) translateY(0);
        }

        .form-footer {
            margin-top: 2rem;
            text-align: center;
            font-size: 0.9rem;
            color: var(--text-light);
        }

        .form-footer a {
            color: var(--primary-color);
            text-decoration: none;
            font-weight: 600;
        }
        
        .form-footer a:hover {
            text-decoration: underline;
        }

        /* Toast Notification */
        .toast-container {
            position: fixed;
            top: 20px;
            right: 20px;
            z-index: 1000;
        }

        .toast {
            background: var(--white);
            padding: 1rem 1.5rem;
            border-radius: var(--radius);
            box-shadow: var(--shadow-lg);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 10px;
            transform: translateX(120%);
            transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            border-left: 4px solid var(--primary-color);
            max-width: 300px;
        }

        .toast.visible {
            transform: translateX(0);
        }
        
        .toast.error { border-left-color: var(--error-color); }
        .toast.success { border-left-color: var(--success-color); }

        /* --- Responsive Design --- */
        @media (max-width: 900px) {
            .brand-section {
                display: none;
            }
            .form-section {
                flex: 1;
                padding: 2rem;
                align-items: center;
            }
            .login-container {
                box-shadow: none;
                background: var(--bg-light);
            }
            .form-section {
                background: var(--white);
                border-radius: var(--radius);
                width: 100%;
                max-width: 500px;
                height: auto;
                max-height: 90vh;
                margin: 1rem;
            }
        }

        @media (max-width: 480px) {
            .form-header h2 {
                font-size: 1.75rem;
            }
            .form-section {
                padding: 1.5rem;
            }
        }
        
        .spinner {
            display: inline-block;
            width: 16px;
            height: 16px;
            border: 2px solid rgba(255,255,255,0.3);
            border-radius: 50%;
            border-top-color: #fff;
            animation: spin 0.8s ease-in-out infinite;
            margin-right: 8px;
            vertical-align: middle;
            display: none;
        }
        
        @keyframes spin {
            to { transform: rotate(360deg); }
        }