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

        body {
            min-height: 100vh;
            background-color: #f0f2f5;
            background-image: 
                radial-gradient(at 80% 0%, rgba(12, 100, 200, 0.1) 0px, transparent 50%),
                radial-gradient(at 0% 50%, rgba(21, 112, 248, 0.1) 0px, transparent 50%);
            display: flex;
            justify-content: center;
            align-items: center;
            overflow-x: hidden;
        }

        .login-container {
            background: rgba(255, 255, 255, 0.95);
            width: 360px;
            padding: 30px;
            border-radius: 16px;
            box-shadow: 
                0 10px 25px rgba(0, 0, 0, 0.08),
                0 6px 12px rgba(0, 0, 0, 0.03);
            position: relative;
            overflow: hidden;
            transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            border: 1px solid rgba(255, 255, 255, 0.18);
            backdrop-filter: blur(10px);
        }

        .login-container:hover {
            transform: translateY(-8px);
            box-shadow: 
                0 15px 35px rgba(26, 115, 232, 0.2),
                0 8px 15px rgba(0, 0, 0, 0.05);
        }

        .login-container::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: linear-gradient(45deg, transparent, rgba(26, 115, 232, 0.03), transparent);
            transform: rotate(45deg);
            pointer-events: none;
            animation: shimmer 5s infinite linear;
        }

        @keyframes shimmer {
            0% { transform: translateX(-100%) rotate(45deg); }
            100% { transform: translateX(100%) rotate(45deg); }
        }

        .logo-container {
            text-align: center;
            margin-bottom: 25px;
            position: relative;
        }

        .logo {
            font-size: 24px;
            font-weight: 700;
            color: #1a73e8;
            position: relative;
            display: inline-block;
        }

        .logo::after {
            content: '';
            position: absolute;
            width: 40px;
            height: 3px;
            background: linear-gradient(90deg, #1a73e8, transparent);
            bottom: -8px;
            left: 50%;
            transform: translateX(-50%);
            border-radius: 2px;
        }

        .logo i {
            font-size: 28px;
            background: linear-gradient(45deg, #1a73e8, #4285f4);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            animation: float 3s ease-in-out infinite;
            display: inline-block;
            margin-left: 8px;
        }

        @keyframes float {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-8px); }
        }

        .subtitle {
            color: #666;
            font-size: 14px;
            margin-top: 14px;
        }

        .form-group {
            position: relative;
            margin-bottom: 20px;
            overflow: hidden;
        }

        .form-group input {
            width: 100%;
            padding: 12px 15px 12px 45px;
            border: 1px solid #e1e1e1;
            border-radius: 10px;
            font-size: 14px;
            color: #333;
            background: #ffffff;
            transition: all 0.3s ease;
            box-shadow: 0 2px 4px rgba(0, 0, 0, 0.02);
        }

        .form-group input:focus {
            border-color: #1a73e8;
            box-shadow: 0 0 0 4px rgba(26, 115, 232, 0.1);
            outline: none;
        }

        .form-group i.icon {
            position: absolute;
            left: 15px;
            top: 50%;
            transform: translateY(-50%);
            color: #1a73e8;
            font-size: 18px;
            transition: all 0.3s ease;
            opacity: 0.7;
        }

        .form-group input:focus + i.icon {
            color: #1a73e8;
            opacity: 1;
            transform: translateY(-50%) scale(1.1);
        }

        .form-group label {
            position: absolute;
            left: 45px;
            top: 14px;
            color: #888;
            font-size: 14px;
            transition: all 0.2s ease;
            pointer-events: none;
        }

        .form-group input:focus ~ label,
        .form-group input:not(:placeholder-shown) ~ label {
            top: -20px;
            left: 15px;
            font-size: 12px;
            color: #1a73e8;
            font-weight: 500;
        }

        .form-group input::placeholder {
            opacity: 0;
        }

        .remember-forgot {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 20px;
            font-size: 13px;
        }

        .remember-me {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .remember-me input[type="checkbox"] {
            display: none;
        }

        .remember-me label {
            position: relative;
            padding-left: 28px;
            cursor: pointer;
            color: #555;
            font-size: 13px;
            user-select: none;
        }

        .remember-me label:before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 18px;
            height: 18px;
            border: 2px solid #ddd;
            border-radius: 5px;
            transition: all 0.3s ease;
        }

        .remember-me input[type="checkbox"]:checked + label:before {
            background-color: #1a73e8;
            border-color: #1a73e8;
        }

        .remember-me label:after {
            content: '✓';
            position: absolute;
            left: 4px;
            top: 0px;
            color: white;
            font-size: 12px;
            opacity: 0;
            transition: all 0.3s ease;
        }

        .remember-me input[type="checkbox"]:checked + label:after {
            opacity: 1;
        }

        .forgot-link {
            color: #1a73e8;
            text-decoration: none;
            font-size: 13px;
            transition: all 0.3s ease;
            position: relative;
        }

        .forgot-link:hover {
            color: #0d5bbc;
        }

        .forgot-link::after {
            content: '';
            position: absolute;
            width: 100%;
            height: 1px;
            background: #1a73e8;
            bottom: -2px;
            left: 0;
            transform: scaleX(0);
            transform-origin: right;
            transition: transform 0.3s ease;
        }

        .forgot-link:hover::after {
            transform: scaleX(1);
            transform-origin: left;
        }

        .btn {
            width: 100%;
            padding: 12px 15px;
            border: none;
            border-radius: 10px;
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 8px;
        }

        .btn-primary {
            background: linear-gradient(135deg, #1a73e8, #4285f4);
            color: white;
            margin-bottom: 12px;
            box-shadow: 0 4px 10px rgba(26, 115, 232, 0.3);
        }

        .btn-secondary {
            background: #ffffff;
            color: #1a73e8;
            border: 1px solid rgba(26, 115, 232, 0.3);
            margin-bottom: 12px;
        }

        .btn-admin {
            background: linear-gradient(135deg, #ff6b6b, #ff4757);
            color: white;
            box-shadow: 0 4px 10px rgba(255, 107, 107, 0.3);
        }

        .btn:hover {
            transform: translateY(-3px);
        }

        .btn-primary:hover {
            background: linear-gradient(135deg, #0d5bbc, #1a73e8);
            box-shadow: 0 6px 15px rgba(26, 115, 232, 0.4);
        }

        .btn-secondary:hover {
            background: rgba(26, 115, 232, 0.05);
            border-color: #1a73e8;
        }

        .btn-admin:hover {
            background: linear-gradient(135deg, #ff4757, #ff6b6b);
            box-shadow: 0 6px 15px rgba(255, 107, 107, 0.4);
        }

        .btn i {
            font-size: 16px;
            transition: transform 0.3s ease;
        }

        .btn:hover i {
            transform: translateX(3px);
        }

        .btn-ripple {
            position: absolute;
            width: 100px;
            height: 100px;
            background: rgba(255, 255, 255, 0.4);
            border-radius: 50%;
            transform: scale(0);
            animation: ripple 0.6s linear;
            pointer-events: none;
        }

        @keyframes ripple {
            to {
                transform: scale(4);
                opacity: 0;
            }
        }

        .divider {
            display: flex;
            align-items: center;
            margin: 15px 0;
            color: #888;
            font-size: 12px;
        }

        .divider::before,
        .divider::after {
            content: '';
            flex: 1;
            height: 1px;
            background: #eee;
        }

        .divider span {
            padding: 0 10px;
        }

        .error-message, 
        .success-message {
            padding: 12px;
            border-radius: 8px;
            margin-bottom: 20px;
            font-size: 13px;
            display: flex;
            align-items: center;
            gap: 10px;
            animation: fadeSlideIn 0.3s ease;
        }

        .error-message {
            background: #ffebee;
            color: #d32f2f;
            border-left: 3px solid #d32f2f;
        }

        .success-message {
            background: #e8f5e9;
            color: #2e7d32;
            border-left: 3px solid #2e7d32;
        }

        @keyframes fadeSlideIn {
            from {
                opacity: 0;
                transform: translateY(-10px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        @media (max-width: 480px) {
            .login-container {
                width: 90%;
                padding: 25px 20px;
                margin: 20px;
            }
        }